Java67

I Read 20+ AI and Prompt Engineering Books - Here Are My Top 5 Recommendations

2026-07-20T07:53:50.316-07:00

Hello guys, AI and Large Language Models (LLMs) are transforming the software engineering landscape. While many developers use tools like ChatGPT or GitHub Copilot, understanding the engineering principles behind them is essential to stay relevant in 2026 and beyond. While there are many resources to learn about AI Engineering, Prompt Engineering and LLM Engineering, and I have also shared online courses and roadmap, books offer structured and in-depth learning that videos and blogs often lack. They are often created by true experts and authorities who have done a lot of research in that area and that's why I always include book in my learning process.

Top 10 Websites to Learn JavaScript Coding for FREE in 2026 - Best of Lot

2026-07-19T00:13:57.906-07:00

Hello guys, if you want to learn JavaScript and are looking for the best websites to learn JavaScript programming for FREE, you have come to the right place. Earlier, I shared the best free JavaScript courses and paid JavaScript courses, and in this article, I will list down the best websites to learn JavaScript for FREE. We live in a world of the internet, which is full of resources. You can know whatever you want and that too, without spending too much money. If you're going to learn JavaScript, there are plenty of websites where you can learn JavaScript online for FREE.

Top 5 Free Udemy HTML and CSS Courses for Beginners to Learn in 2026 - Best of Lot

2026-07-15T08:18:51.727-07:00

Hello guys, if you want to learn HTML and CSS and looking for free resources then you have come to the right place. HTML and CSS are two pillars of web development, they are used to create web pages you see every day. HTML provides the structure to your web page, and CSS gives them the style to look better. If you want to become a front-end web developer or web designer, then a good knowledge of HTML and CSS is a must. Even though modern-day web development is all about framework and library, like Angular and React, you still need to know HTML and CSS to understanding what's going on and troubleshoot any issue you face while developing a web application. Btw, JavaScript is another pillar of web development, but we'll not discuss this article. I have already shared some good books and courses to learn JavaScript before

Top 6 Free Python Courses for Beginners to Learn Programming in 2026 - Best of Lot (Udemy)

2026-07-14T07:50:44.233-07:00

Hello guys, If you are a beginner looking for best Free Python resources to start your programming journey, like books and online courses then you have come to the right place. Earlier, I have shared a couple of free Python Programming books and some of the best courses to learn Python, which were not free. Some of my readers asked me to share some free online courses to learn Python, and it made sense. I personally like starting from free resources, and today, I'll share a couple of excellent Python programming courses, which are absolutely FREE. You can take these online courses to learn Python at your own pace, at your own time, and at your place to learn Python in 2026. This is an excellent advantage of online learning, the flexibility it provides is just impressive.

Top 7 Spring Boot Online Courses for Beginners in 2026 - Best of Lot [UPDATED]

2026-07-12T07:46:14.492-07:00

Hello guys, if one of your goals is to learn Spring Boot in 2026, and I have started working towards it. As I have talked about my 3 point action plan to learn new technology, the first step is to attend some online courses and start building from that. If you are not sure what is Spring Boot and why should you learn Spring Boot, then let me tell you that it should be the first Java framework you should learn in 2026. The Spring Boot makes it really easy to work with the Spring framework by removing all the starting hurdles concerning setup and configuration. In one word, it makes it possible to write a Spring-based Java application and run them like core Java applications, like from the primary method.

Top 6 Free Object-Oriented Programming Courses for Java Programmers in 2026 [UPDATED]

2026-07-12T07:45:29.734-07:00

The OOP or Object Oriented Programming paradigm allows you to write a program by modeling real-world things in terms of class and object. It makes representing a real-world thing in the programming world smoother and will enable you to manage the complexity of your program. Even though several programming paradigms, like procedural and functional, most of the code we write today is object-oriented. Some of the most popular programming languages are object-oriented, like Java, Python, PHP, and JavaScript, all supported object-oriented programming.

The Ultimate Java Interview Preparation Guide for 2026: Books, Courses, and Must-Know Topics

2026-07-08T07:58:29.827-07:00

Java Interviews are a little bit different than traditional programming interviews on tech giants and product-based companies like Google, Amazon, Microsoft, or Facebook. First, even though it has questions from Data Structures and Algorithms like String or Array, you can still manage to clear Java interviews if you are not an expert on them. The questions are a little bit easier and more practical than those companies. Another essential thing about Java interviews are questions based upon Java programming language and JDK API. Since Java is also an Object-oriented programming language, you will find lots of OOP questions there.

Why Join Algo Monster for Coding Interview in 2026? (with 70% OFF Discount Coupon)

2026-07-07T08:11:46.326-07:00

Hello guys, the holiday season is the perfect time to invest in yourself. And if you're preparing for coding interviews at FAANG or top-tier tech companies, there's no better time than now. AlgoMonster is offering 60% OFF premium membership—the biggest discount of the year. This offer expires soon, so if you've been on the fence about getting serious with coding interview prep, now is the moment. After testing this platform extensively and helping dozens of engineers ace FAANG interviews, I can tell you: this deal is a game-changer.

I've Read 20+ Books on Java: Here Are My Top 5 Recommendations for Beginners in 2026

2026-07-04T07:18:05.124-07:00

Hello guys, I have shared a lot of books related to Java and related technologies in the past, like books and online courses to learn Spring, Hibernate, JVM internals, Java Performance tuning, Multi-threading, and Concurrency, Design patterns, Data structure, and Algorithms, etc., but I haven't shared books for core Java books for beginners yet. Even though I have mentioned a couple of popular titles every now and then, I really didn't have a complete compilation of essential core Java books for beginners. Since Java is one of the most popular programming languages and very useful for getting a job as a Software developer, it has become a choice of programming language to start learning coding and application development, it makes sense to start well with core Java.

I Tried 100+ Coursera Courses: Here Are My Top 10 Recommendations for 2026

2026-07-01T07:17:00.004-07:00

Hello guys, if you are looking for the best Coursera courses, certification, and specialization to join in 2026 then you have come to the right place. In the last few articles I have shared the best Coursera courses to learn Python, Software Development, and Cloud Computing, and today, I will share the best Coursera courses, specializations, and certifications you can join in 2026. Taking online courses and certifications have become mandatory in order to have a professional and successful career and the process is similar to a college education just by staying at your home taking classes watching videos and passing the quizzes and done you are now officially certified and when it comes to the best platform to learn online no one can compete with Coursera.

I Tried 20+ Artificial Intelligence Courses: Here Are My Top 10 Recommendations for Beginners in 2026

2026-06-29T20:30:24.141-07:00

If you want to learn Artificial Intelligence in 2026 and looking for the best online courses then you have come to the right place. Earlier, I have shared the best Data Science courses and today, I am going to share the best courses to learn Artificial Intelligence in 2026. These are the best online courses for Artificial Intelligence or AI for beginners and curated from sites like Udemy, Pluralsight, and Coursera, three of the best online learning platforms. These courses have been created by experts like Andrew Ng, an AI pioneer and founder of Coursera, and trusted by thousands of programmers and non-technical people who want to learn AI. You can also join them to learn Artificial Intelligence in 2026.

10 Best Coursera Web Development Courses and Projects for Beginners in 2026

2026-06-26T07:59:21.364-07:00

Hello guys, if you are looking for the best web development courses and projects on Coursera to join in 2026, you have come to the right place. Earlier, I have shared the best Coursera courses to learn about Cloud Computing, Software Development, and Data Science. Today, I will share the best Coursera courses and projects one can join to learn Full-stack Development and essential web development skills to become a professional web developer in 2026. The best thing about these Coursera courses and projects is that you can join them with Coursera Plus, which means you don't need to buy them individually. If you have a Coursera Plus subscription, you can enter all these courses without extra cost.

Top 10 Coursera Courses + Certifications to Learn Python, Data Science, and Cloud Computing in 2026 [UPDATED]

2026-06-26T07:58:34.994-07:00

Hello folks, if you are looking for the best Coursera courses, certifications, and specialization to start your career in IT or make a career switch, you have come to the right place. Coursera is one of the leading online portals and brings the best learning material, courses, and certifications from the world's' top universities like the University of Michigan and top companies like Google, IBM, and Amazon. Learning on Coursera is a great way to learn in-demand tech skills and recognition and certification to showcase them to recruiters and companies looking to hire.

Top 10 System Design Books and Courses for Senior Developers in 2026

2026-06-25T06:17:09.277-07:00

Hello guys, System design and Software design are two important topic for coding interviews and also two important skill for Software developers. Without knowing how to design System you cannot create new software and it will also be difficult to learn and understand existing software and system. That's why big technical companies like FAANG pays special attention to System design skill and test candidates thoroughly. If you want to learn System design and looking for best resources like best System design books and courses then you have come to the right place.

10 Books and Courses to Prepare Technical Programming/Coding Job Interviews in 2026

2026-06-25T06:11:50.090-07:00

If you are preparing for a technical interview in the software development sector and looking for some great books to boost your preparation, then you have come to the right place. In the past, I have hared some of the best online courses to prepare coding interviews. In this article, I am going to share some of the best programming/coding interview books to prepare well for any software development jobs. These books are enough to crack even the toughest of the job interviews at Google, Amazon, or Microsoft. They provide excellent coverage of all essential topics for programming job interviews like data structure and algorithms, system design, algorithm design, computer science fundamentals, SQL, Linux, Java, Networking, etc.

Prime Day 2026: 5 Best Things Software Developers Should Buy Before They Sell Out

2026-06-23T08:30:35.396-07:00

Hello everyone! If you've been waiting for the perfect time to invest in tech gadgets, learning resources, and productivity tools, Amazon Prime Day 2026 is here. Unlike waiting until November for Black Friday, Prime Day brings massive discounts right to the summer—and this year, it's bigger than ever with extended deals across multiple days.

The Amazon Prime Day 2026 is an exclusive shopping event where Prime members get access to thousands of discounts on books, gadgets, electronics, and more. Whether you're looking to upgrade your home office, invest in your career development, or grab that fitness tracker you've been eyeing, this is the time to do it.

Pro Tip: You need to be an Amazon Prime member to access these deals. If you're not already a member, you can sign up for a free 30-day trial of Amazon Prime and still get access to all Prime Day deals.

If you're a student, even better! Amazon Prime Student costs just $59/year (or 6 months free), and you get the same Prime Day access plus free one-day delivery on millions of items.

5 Things Developers Should Buy on Amazon Prime Day 2026

1. Fitness Tracker or Smartwatch (Apple Watch, Garmin, Fitbit)

As developers, we spend most of our time sitting in front of screens. A quality fitness tracker isn't just a gadget—it's an investment in your health and productivity. Apple Watch, Garmin, and Fitbit are the gold standards because they offer accurate tracking, robust apps, and strong data privacy.

Regular movement and exercise improve focus, reduce burnout, and boost your coding productivity. Prime Day offers significant discounts on these premium wearables, making it the perfect time to upgrade.

2. Noise-Canceling Headphones or Premium Earbuds

Whether it's Apple AirPods Pro, Sony WH-1000XM5, or Bose QuietComfort, high-quality audio is essential for deep work. Noise-canceling headphones help you enter "flow state"—that zone where you write your best code.

Prime Day typically offers 20-30% discounts on premium audio gear, making it an ideal time to invest in a tool you'll use every single day.

3. System Design & AI Engineering Books

In 2026, mastering System Design and AI Engineering is non-negotiable for reaching $300k+ salaries. Prime Day is the perfect time to grab essential books like:

"Designing Data-Intensive Applications" by Martin Kleppmann
"The Art of Computer Systems Performance Analysis" by Brendan Gregg
"Building LLMs for Production" by Louis-François Bouchard
"AI Engineering" by Chip Hyun

These books are investments in your career. At Prime Day discounts, you're getting $30-50 books for $15-25. That's a no-brainer.

4. Ergonomic Desk Setup (Monitor Arm, Keyboard, Mouse)

Your home office setup directly impacts your productivity and health. Prime Day offers great deals on:

Mechanical keyboards (Keychron, Corsair, Razer)
Ergonomic mice (Logitech MX Master, Razer Pro Click)
Ergonomic Chairs
Monitor stands and arms
Desk lamps with adjustable color temperature

A better workspace = better focus = better code. Invest in yourself.

5. Amazon Music Unlimited or Audible Subscription

Prime Day 2026 includes special offers on Amazon Music Unlimited and Audible subscriptions. For developers:

Amazon Music Unlimited: Ad-free music for deep work sessions. Focus beats distraction.
Audible: Listen to tech books during your commute or workout. "Learning while moving" is a game-changer.

These subscriptions often come at 50% off during Prime Day—grab them while you can.

Amazon Prime Day 2026: Key Details

Dates: Prime Day 2026 runs for multiple days with extended deals. Check Amazon for exact dates in your region.

Who Can Access Deals: You must be an Amazon Prime member or Amazon Prime Student member to get the exclusive discounts.

Not a Member Yet? Sign up for a free 30-day trial of Amazon Prime and gain instant access to all Prime Day deals.

Final Thoughts

Prime Day 2026 is more than just a shopping event—it's an opportunity to invest in your career, health, and productivity. Whether you're buying fitness gear, upgrading your home office, or diving into System Design and AI Engineering, the deals are real and the value is substantial.

The key is to be intentional. Make a list of what you actually need, not just what's on sale. That said, if you've been eyeing a premium tool or book, Prime Day is the perfect excuse to pull the trigger.

One last tip: Prime Day can be addictive. Set a budget, stick to it, and enjoy the savings!

Happy shopping, and I'll see you on the other side of Prime Day 2026! 🚀

Top 6 Udemy Courses to Learn LangChain and RAG in 2026

2026-06-22T06:26:03.685-07:00

Hello guys, If you’re someone who’s excited about building cutting-edge Generative AI applications in 2026, there’s no better time to learn LangChain.

It has quickly become one of the most in-demand frameworks for building LLM-powered apps using OpenAI, Ollama, Mistral, Claude, and even custom models.

LangChain makes it easy to combine language models, tools, memory, vector databases, and agents to build robust GenAI applications — — from chatbots to AI assistants, from RAG systems to workflow automations.

Earlier, I have shared best ChatGPT courses, best Data Science courses and best Machine Learning courses as well as 10 Must Read AI And LLM Engineering Booksand in this article, I am going to share best Udemy courses to learn LangChain, RAG and AI Automation.

Being an aspiring AI developer myself and having enrolled in several top-rated courses on Udemy, I’ve handpicked the 6 best LangChain courses to help you upskill and stay ahead in this fast-moving field.

By the way, if you are new to AI world then I highly recommend you to start with The AI Engineer Course 2026: Complete AI Engineer Bootcamp, one of the most comprehensive resource to become an AI Engineer in 2026.

Let’s dive in!

6 Best Udemy Courses to learn LangChain and RAG in 2026

Without any further ado and wait, here are the best online courses you can join on Udemy to learn not just LangChain but also RAG and AI agents automation, the hottest skill of 2026.

I learn better by joining multiple courses as every instructor explain things differently and when I learned from multiple folks, everything eventually falls in place.

You can also join one or more courses from this list for better learning.

1. LangChain — Develop LLM Powered Applications with LangChain

If you’re just getting started, this course is a great choice. It teaches LangChain using real-world examples, with full support for the latest LangChain version 0.3.0.

You’ll build a complete GenAI app and get comfortable with the LangChain ecosystem in a very hands-on way.

What you’ll learn:

Latest LangChain 0.3.0 features
Prompt templates, chains, memory, and agents
Build LLM-powered search and chatbot apps

This Udemy course is best for beginners who want to quickly get started by building something real.

Here is the link to join this course — — LangChain —Develop LLM Powered Applications with LangChain

2. Complete Generative AI Course With LangChain and HuggingFace

This course is a power combo. It covers LangChain and HuggingFace in depth, helping you understand not only how to build GenAI apps but also how to deploy and optimize them for performance.

What you’ll learn:

Complete LangChain project lifecycle
How to use HuggingFace transformers in real apps
Deployment & optimization techniques

This Udemy course is best for intermediate developers who want to go beyond toy apps and work on scalable GenAI projects.

Here is the link to join this course — — Complete Generative AI Course With LangChain and HuggingFace

3. LLM Engineering: Master AI, Large Language Models & Agents

If you’re serious about becoming an LLM engineer, this course is gold. It’s project-based and teaches you everything from RAG to fine-tuning and deploying AI agents using LangChain, Python, and popular libraries.

What you’ll learn:

Build 8 complete LLM apps
Master RAG, LoRA, LangChain tools
Real-world projects for GenAI devs

This LangChain course on Udemy is best for developers aiming for roles like AI Engineer or Generative AI Consultant.

Here is the link to join this course — — LLM Engineering: Master AI, Large Language Models & Agents

4. AI-Agents: Automation & Business with LangChain & LLM Apps

This is one of the most popular LangChain courses with 21,000+ students and for good reason. It focuses heavily on AI automation, multi-agent systems, and how to monetize your GenAI apps.

What you’ll learn:

Use LangChain and LangGraph for multi-agent systems
Automate business workflows
Sell your AI tools as products

This Udemy course is again ideal for developers and entrepreneurs interested in AI automation for business.

Here is the link to join this course — — AI-Agents: Automation & Business with LangChain & LLM Apps

5. 2026 Master Langchain and Ollama — — Chatbot, RAG and Agents

This is a hot and trending course, especially if you’re curious about working with local LLMs using Ollama and LLAMA 3.2. The course includes tutorials for building chatbots, RAG systems, and more — — all powered by LangChain and local models.

What you’ll learn:

Ollama + LangChain integration
Build local chatbot and RAG apps
Covers DeepSeek, LLAMA 3.2, and more

This Udemy course is better for devs who want to run LLMs locally without relying on OpenAI or cloud APIs.

Here is the link to join this course — 2026 Master Langchain and Ollama — Chatbot, RAG and Agents

6. LangChain Mastery: Build GenAI Apps with LangChain & Pinecone

This course is perfect if you’re looking to build production-grade LLM applications with support for Pinecone vector DB. It teaches you how to integrate vector search, memory, and LangChain into a full-stack GenAI app.

What you’ll learn:

LangChain with Pinecone vector DB
How to build and deploy full-stack GenAI projects
Step-by-step code walkthroughs

Best for: Intermediate to advanced devs building retrieval-augmented generation (RAG) apps.

Here is the link to join this course — — LangChain Mastery: Build GenAI Apps with LangChain & Pinecone

That’s all about the best Udemy courses to learn LangChain and RAG in 2026. Whether you’re just beginning your LangChain journey or looking to level up into full LLM engineering roles, these 6 courses will help you stay ahead of the AI curve in 2026.

By the way, if you want to join multiple course on Udemy, its may be worth getting a Udemy Personal Plan, which will give instant access of more than 11,000 top quality Udemy courses for just $30 a month.

If you got a lot of time and want to save money, Udemy Personal Plan will be perfect for you. If you found this helpful, don’t forget to share or bookmark it for your AI learning journey!

Other AI, LLM, and Machine Learning resources you may like

Thanks a lot for reading this article so far, if you like these LangChain courses on Udemy then please share with your friends and colleagues. If you have any feedback or questions then please drop a note.

P. S. — If you want to learn from books and looking for best AI and LLM Books then I highly recommend you to read AI Engineering by Chip Huyen and The LLM Engineering Handbook by Paul Iusztin and Maxime Labonne, both of them are great books and my personal favorites. They are also highly recommended on Reddit and HN.

10 Artificial Intelligence and LLM Books Every Software Engineer Should Read in 2026

10 Must read AI and LLM Engineering books for Software Engineers who want to become an AI Engineers.

medium.com

I Found LeetCode for Software Design and It’s Awesome

2026-06-20T21:24:19.715-07:00

If you’re preparing for FAANG interviews, you already know that Data Structures & Algorithms (DSA) and System Design are the two critical areas where you’ll be tested rigorously.

While LeetCode has become the standard platform for DSA practice, system design preparation has always been fragmented — scattered across expensive courses, text-heavy articles, and YouTube videos with no hands-on practice.

While there are many websites and platforms to prepare for System Design Interviews like ByteByteGo, DesignGurus.io, Exponent, Educative, and Udemy, there is nothing like LeetCode, where you can practice the real, interview like system design problems online and also get evaluated.

That changed when I discovered BugFree.ai.

Master System Design & Behavioral Interviews Like Leetcode

Prepare for software engineering interviews with 150+ system design and 30+ behavioral questions at bugfree.ai. Get…

www.bugfree.ai

After using it to prepare for my recent FAANG interviews, I can confidently say: BugFree.ai is the LeetCode for System Design — and it’s exactly what the interview prep landscape has been missing.

If you’ve struggled with structuring system design answers, getting real feedback, or knowing whether your approach matches industry standards, BugFree.ai solves all of these problems.

Why System Design Needs a Platform Like LeetCode or BugFree.ai?

Most system design resources today fall into one of these categories:

1. Long, Text-Heavy Courses

Passive learning with no hands-on practice
You read about designs but never actually create them
No way to validate your understanding

2. Expensive Mock Interview Platforms

$200–500 per session
Limited feedback
Not scalable for comprehensive preparation

3. YouTube Videos and Blog Posts

Fragmented information
No structured progression
No evaluation of your solutions

The fundamental problem: Reading about system design isn’t enough. You need to actively design solutions and get expert feedback on your approach.

This is where BugFree.ai changes the game completely.

What Makes BugFree.ai Special?

Instead of passive learning, BugFree.ai provides an interactive, hands-on, and AI-powered approach to mastering system design. Here’s what sets it apart:

1. Real-World System Design Problems with Interactive Practice

BugFree.ai offers a comprehensive collection of system design problems structured exactly like LeetCode presents DSA problems — but for architecture and design.

Example: Design URL Shortener

You work through:

Functional and Non-Functional Requirements
Capacity Estimation and Constraints
API Design and Data Models
High-Level Architecture
Deep Dives into Critical Components
Scalability and Trade-offs

The difference: You don’t just read about URL shorteners — you actually design one step-by-step, with guidance and validation at each stage.

Built-in Drawing Tools:

Just like in real interviews, you get access to an interactive whiteboard where you can sketch architectures, draw component diagrams, and visualize data flows

Here are some of the popular System Design questions you can solve on Bugfree.ai for practice:

2. Difficulty-Based Categorization (Just Like LeetCode)

BugFree.ai categorizes problems by difficulty level, making it easy to progress systematically:

Easy — Foundational concepts:

Load Balancing
Caching Strategies
Message Queues
Basic API Design

Medium — Real-world scenarios:

Rate Limiting Systems
Search Autocomplete
Real-Time Chat Applications
Notification Systems

Hard — Complex distributed systems:

Design YouTube/Netflix
Distributed Databases
Cloud Storage Systems
Microservices Architecture
Design Web Crawler

Each problem includes company tags showing which FAANG and top tech companies ask them, so you can focus your preparation strategically.

3. AI-Powered Coaching and Feedback

This is where BugFree.ai truly shines — AI-assisted learning that feels like having an expert mentor available 24/7.

How it works:

Smart Hints: Stuck on a problem? The AI provides hints without giving away the answer.
Design Evaluation: Submit your design and get automated feedback on scalability, reliability, and best practices.
Industry Standards: Your solution is evaluated against real-world architectural patterns.
Interactive Q&A: Ask questions about your design decisions and get immediate clarification

This bridges the gap between self-study and expensive coaching — you get expert-level feedback at a fraction of the cost.

4. AI-Powered Mock Interviews

Here’s the feature that sets BugFree.ai apart from every other platform: AI-driven mock interviews.

The Problem with Traditional Mock Interviews:

Expensive ($200–500 per session)
Limited availability
Inconsistent interviewer quality
Can’t practice as much as you want

BugFree.ai’s Solution:

Unlimited mock interviews powered by AI that simulate real FAANG interview conditions:

Realistic Interview Experience: Timed sessions with ambiguous requirements (just like real interviews).
Follow-up Questions: AI interviewer asks probing questions about your design decisions.
Performance Evaluation: Detailed feedback on communication, technical depth, and trade-off analysis.
Unlimited Practice: Take as many mock interviews as you need to build confidence

Example: Web Crawler System Design Mock Interview

The AI interviewer guides you through designing a web crawler, asks follow-ups about politeness policies, distributed crawling, and URL deduplication — exactly like a real interview.

My experience: After 10+ mock interviews on BugFree.ai, my real FAANG interview felt comfortable. I’d seen the patterns, practiced the communication, and knew how to structure my answers.

5. Object-Oriented Design (OOD) Practice

System design isn’t the only thing tested at FAANG. Object-Oriented Design (Low-Level Design) is a critical round, especially for senior roles.

BugFree.ai covers this comprehensively:

Classic OOD Problems:

Parking Lot System
Elevator System
ATM Machine
Library Management System
Hotel Booking System
Vending Machine

What you get:

Step-by-step class design guidance
UML diagrams and relationships
Design pattern applications
SOLID principles in practice
Trade-offs between different approaches

If you’ve struggled with OOD interviews (many developers do), this is invaluable preparation.

You can see all the OOD problem here.

6. Resume Analysis and Optimization

Here’s an unexpected bonus: AI-powered resume review.

Upload your resume and get:

ATS optimization — Make sure your resume passes applicant tracking systems
Keyword suggestions — Align with job descriptions for roles you’re targeting
Formatting feedback — Professional structure and readability
Content improvements — Stronger bullet points highlighting impact

Why this matters: Your resume gets you the interview. BugFree.ai helps you get past the first filter.

Resume Builder for Software Engineers — AI-Powered Optimization

Create and optimize your software engineering resume with AI-powered insights. Get personalized feedback, ATS-friendly…

bugfree.ai

Getting Started: My Recommendations

If you’re completely new to system design:

Week 1: Easy Problems

Start with URL Shortener
Focus on understanding the framework
Don’t worry about perfect solutions
Get comfortable with the platform

Week 2: Build Fundamentals

Solve 3–4 easy problems
Learn capacity estimation
Practice API design
Understand database selection

Week 3: Medium Problems

Tackle real-world scenarios
Focus on scalability patterns
Learn caching strategies
Practice load balancing

Week 4: First Mock Interview

Take your first mock interview
Don’t expect perfection
Learn from the feedback
Identify gaps in knowledge

Then: Continue cycling through problems, mock interviews, and focused learning in weak areas.

What I Wish I Knew Before Starting

1. Don’t Skip the Easy Problems

Even if you’re experienced, start with easy problems. They teach the framework for approaching system design that applies to harder problems.

2. Mock Interviews Are Essential

Solving problems alone isn’t enough. Mock interviews teach:

Time management (45–60 minute constraints)
Communication under pressure
Handling ambiguous requirements
Explaining trade-offs clearly

3. Review Community Solutions

After solving a problem, always check how others approached it. You’ll discover patterns and optimizations you missed.

4. Focus on Communication

System design interviews test communication as much as technical knowledge. Practice explaining your thinking process clearly.

5. Use the AI Feedback

Don’t just collect problem checkmarks. Study the AI feedback carefully. That’s where real learning happens.

The Bottom Line: Is BugFree.ai Worth It?

After three months of intensive preparation using BugFree.ai, here’s my honest assessment:

What BugFree.ai does exceptionally well:

Hands-on practice — Actually design systems, don’t just read about them
AI-powered feedback — Get expert-level guidance on every design
Unlimited mock interviews — Practice as much as you need
Structured progression — Clear path from beginner to expert
Cost-effective — Fraction of traditional mock interview costs
Comprehensive coverage — System design + OOD + resume help

What could be improved:

⚠️ Human interaction isn’t quite the same (supplement with 1–2 human mock interviews)
⚠️ Community features could be stronger (though improving)

My verdict:

For system design interview preparation, BugFree.ai is the most effective platform I’ve found. It’s truly the LeetCode for system design — combining structured practice, expert feedback, and unlimited mock interviews in one place.

The ROI is obvious: The platform costs less than one traditional mock interview session but provides unlimited practice and comprehensive preparation.

Start here: BugFree.ai

Master System Design & Behavioral Interviews Like Leetcode

Prepare for software engineering interviews with 150+ system design and 30+ behavioral questions at bugfree.ai. Get…

www.bugfree.ai

Final Thoughts

System design interviews are intimidating, but they’re also learnable and masterable with the right approach.

What doesn’t work:

Reading endless blog posts without practicing
Watching YouTube videos passively
Hoping to “wing it” in interviews
Paying for expensive mock interviews you can’t afford to repeat

What works:

Structured hands-on practice
Regular feedback on your designs
Mock interviews simulating real conditions
Systematic improvement over time

BugFree.ai provides all of this in one platform.

After using it to pass FAANG system design interviews, I can confidently say: this is the platform I wish had existed when I first started preparing.

Don’t make the same mistakes I did — scattered preparation across fragmented resources, expensive one-off mock interviews, and no systematic way to validate improvement.

Start practicing on BugFree.ai today. Your future self (and your compensation package) will thank you.

Other System Design Resources You May Find Useful:

P.S. — I used BugFree.ai while working full-time. The focused, interactive practice was far more effective than months of random article reading. Share this with engineers preparing for senior roles.

Ready to start? Visit BugFree.ai and begin your system design journey today.

Master System Design & Behavioral Interviews Like Leetcode

Prepare for software engineering interviews with 150+ system design and 30+ behavioral questions at bugfree.ai. Get…

www.bugfree.ai

Top 6 Udemy Courses to Learn Software Architecture for Senior Developers in 2026

2026-06-17T07:44:51.981-07:00

Hello guys, Software architecture is an important topic for senior developers because it is one of those topics which makes a junior developer senior, hence its important for us to learn about System design and Software architecture as our experience grow to contribute at higher level.

Though, its not an easy topic to master as its very vast and resources are hard to find.

Many people doesn’t even know about software architecture but thanks to Microservices, people now at least know about Monolithic and Microservice architecture, but there are more, which we will learn in this article.

In the past, I have shared best System Design Courses and best Software architecture courses, but a lot of you requested for Udemy courses so in this post, I will also share best Udemy courses you can buy to learn these Software architecture.

Though, if you are in hurry then you can start with Software architecture courses by Michael Pogrebinsky on Udemy.

He has created many high quality software architecture and large scale system design courses like Software Architecture & Design of Modern Large Scale Systems and The Complete Microservices & Event-Driven Architecture, which are best to start with. They are also very affordable.

And, if you are preparing for Software Architecture certification then Certified Professional for Software Architecture — — Foundation Level (CPSA-F) Training is another great resource worth looking. It’s bit expensive but if you want to grow as Software Architect then totally worth it.

iSAQB CPSA-F On-Demand Certification Training for Software Architects - Top Developer Academy

The only self-paced, on-demand iSAQB-accredited CPSA-F online course. The Certified Professional for Software…

topdeveloperacademy.com

6 Best Software Architecture courses on Udemy in 2026

Now, is the time to see Udemy courses you can join to learn Software architecture. Without any further ado, here is a list of best Software architecture courses you can join on Udemy in 2026.

They are updated, in-depth, and also very affordable. Most of the courses you can buy for just $10 on Udemy Sale which is happening now.

1. Software Architecture & Design of Modern Large Scale Systems by Michael Pogrebnisky

This Software design and architecture course was 5th in our ranking last year but now it has jumped to 2nd place due to amazing response from our readers and other people who have taken this course.

Created by Michael Pogrebinsky this Software architecture course will teach you how to design large and distributed system in 2026.

Having joined his Java Concurrency course it was no brainer for me to join this course and I must say I wasn’t disappointed.

If you are an experienced developer who not only want to crack System design interview but also learn about Software architecture to become a Software architect or solution architect then this Udemy course is perfect for you.

Here are things you will learn in this course:

1. How to design large scale systems which can handle millions of requests/day

2. How to design for scalability and high availability.

3. Software architectural patterns, building blocks and best practices

4. How to define the system’s technical requirements, high level components and API

5. Software Architecture & Technology of Large-Scale Systems

After going through this course, you will have solid knowledge of Software arhictecture which is used in large scale systems. I highly recommend this Software architecture course to experienced Java developers.

Here is the link to join this course — — Software Architecture & Design of Modern Large Scale Systems

Also, after huge success of this course Michael has also launched two more courses on System Design and Software architecture, first one is Software Architecture & System Design Practical Case Studies and second one is The Complete Cloud Computing Software Architecture Patterns, both of them effectively complement this course.

If you can afford, you can join all three courses to master both System design and Software architecture in 2026.

2. Software Architecture & Technology of Large-Scale Systems by Anurag Yadav

This is another Software architecture course on Udemy which is worth checking out for experienced developers . It’s also one of the most comprehensive System design course with more than 25.5 hours of content while other course only provides content of 5 to 8 hours.

This Software architecture course will teach you how to create Software Systems with High Performance, Scalability, Availability, Security using Modern Technologies.

The course start with a basic three tier application architecture then move along with advanced and modern software architecture like Microservices and distributed system.

You will also learn how to cater Non-Functional Requirements like How to design architecture considering Performance, Scalability, Reliability, and Security.

You will also get exposure of highly scalable technology and tech stack like Nodejs, Redis, Cassandra, Kafka, Hadoop, Elasticsearch etc. More importantly you will learn how to use Docker and Kubernetes for large scale production deployment, a key skill in this era of cloud computing.

Here is the link to join this course — — Software Architecture & Technology of Large-Scale Systems

3. Microservices Architecture — — The Complete Guide by Memi Lavi

Memi Lavi is another instructor on Udemy which I admire a lot for his immense knowledge in Software architecture, cloud computing, particularly Azure, and system design and this course is another exhibition of his awesome skill to explain complex software concepts in simple, human language.

This 5 hour long course covers Microservices Architecture, including its fundamentals, identifying predecessors and associated problems, exploring the nine attributes of Microservices.

You will also learn about the architecture process, designing robust and reliable microservices, deploying and testing them effectively, delving into Service Mesh concepts, understanding when not to use Microservices, and exploring strategies for breaking a monolith into microservices.

Talking about social proof, this course has got an impressive rating of 4.5 out of 5 from a substantial 12,669 reviews, the course has attracted a vast student base of 63,991 individuals.

Here is the link to join this course — — Microservices Architecture — — The Complete Guide

Whether you are a beginner or experienced developer, this course stands as a valuable resource in mastering Microservices Architecture.

If you like this course, you can also checkout Mavi’s other courses on Software architecture, many of them are worth watching, particularly, The Complete Guide to Becoming a Software Architect

4. Master Software Architecture & System Design for Developers

This is a new course on Udemy which I found this year and I very happy to share with you as its one of the better courses you will find on Software architecture topic.

Created by Munawar Ali, this course can be used to master System Design, Software Architectures, Microservices Architecture, AWS Services and learn to crack senior developer interviews.

Here are things you will learn in this course:

Understanding the vision and role of Software Architect
Master the Core Principles of Software Architecture and System Design
Learn Basic AWS Services. Specially services that are used in Architectures and protocols (like REST, gRPC etc).
Mastering Architectures like SOA, Microservices, Event Driven Architectures etc.
Practicals in Portal of AWS Services, so that Students can practically learn these services

It’s also now the highest rated Udemy course on Software architecture for 2026.

Here is the link to join this course — Master Software Architecture & System Design for Developers

5. The Complete Cloud Computing Software Architecture Patterns

This is another Software architecture course from Michael Pogrebinsky on Udemy which is designed to teach you skills needed to architect large-scale systems using cloud computing, software architecture patterns, and modern system design principles.

In this course you will learn the role cloud play in designing and architecting modern large-scale software systems, solve challenging system design problems, utilize software architecture patterns effectively, and leverage cloud computing to serve millions of users globally.

By the way, if you like Michael’s teaching style then you will also like his other courses on software architecture and distributed system design like Software Architecture & Design of Modern Large Scale Systems and The Complete Microservices & Event-Driven Architecture, both are awesome courses like his course on concurrency and Java performance.

Here is the link to join this course — — The Complete Cloud Computing Software Architecture Patterns

6. Software Engineering 101: Plan and Execute Better Software by Kurt Anderson

This is another Udemy course which I found worth watching to learn Software Engineering and Architecture. Created by Kurt Anderson, an YouTube Guru and master creator.

This course will teach you most of the key architectures we have covered in this article like Master-slave, Layered Pattern, Client-Server, Pipe-Filter, and much more.

Instructor is also very good story teller and this class flows like a river, you are definitely going to like it.

One of the reason I watched this course. It also doesn’t bore you with a lot of details, so if you are looking for a quick introduction of key software architecture this course is for you.

Here is the link to join this course — — Software Engineering 101: Plan and Execute Better Software

10 Software Architecture Every Experienced Developer Should Know

Here is a list of most popular Software architecture and their brief explanation with their pros and cons, as a senior developer you should have this much information all the time.

1. Monolithic Architecture

Traditional architecture where the entire application is built as a single unit. It’s simple to develop and deploy but can be challenging to scale.

2. Microservices Architecture

An architectural style that structures an application as a collection of loosely coupled services, each responsible for a specific business function. It enables scalability, flexibility, and easier maintenance. You can also see these courses to learn Microservices architecture.

3. Service-Oriented Architecture (SOA)

This architecture is similar to microservices but with a focus on providing services via a network. SOA aims to make applications more modular and interoperable by defining services with well-defined interfaces.

And, if you want, you can also see these courses to learn SOA Architecture

4. Event-Driven Architecture (EDA)

This is a style of software architecture where the flow of events triggers the execution of certain actions. It’s useful for building systems that react to and process a large number of events in real-time.

5. Layered Architecture

This Software architecture organizes the software into distinct layers (e.g., presentation layer, business logic layer, data access layer) where each layer only communicates with adjacent layers. It promotes modularity and separation of concerns.

6. Hexagonal Architecture (Ports and Adapters)

This Software architecture focuses on creating software that’s easy to test, maintain, and understand by separating the core logic from external concerns like databases and user interfaces.

7. Clean Architecture

An architecture pattern that emphasizes separation of concerns and the dependency rule. It aims to create systems that are flexible, scalable, and maintainable by organizing code into concentric circles or layers.

8. Event-Driven Microservices

This Software architecture combines microservices architecture with event-driven architecture, where services communicate asynchronously through events. It offers benefits like loose coupling, scalability, and resilience.

9. CQRS (Command Query Responsibility Segregation)

This is architecture pattern which separates the read and write operations of a data store into separate models. It’s useful for complex applications where read and write requirements differ significantly.

10. Serverless Architecture

This architecture allows developers to build and run applications and services without managing infrastructure. Code is executed in response to events, and resources are automatically allocated by the cloud provider.

Here is also a nice diagram which shows how these architecture works with animation,

image credit — — Rocky Bhatia on LinkedIn, You can follow him also, he share useful content like this.

That’s all about the best Software architecture courses on Udemy in 2026. As I said, Software architecture is an essential topic for experienced developers and they should invest time and effort to learn it.

When it comes to finding affordable resources, there is no better place than Udemy, that’s why I have shared these best Udemy courses to learn Software architecture, including Microservices.

You can also get these courses for $10 a piece on Udemy sale which is happening now. I already bought a lot of courses for learning new technology and reviewing them this summer.

Other System Design Interview Resources you may like

Thanks for reading this article so far. If you like these best System design Interview Courses from Udemy then please share them with your friends and colleagues. If you have any questions or feedback then please drop a note.

P.S. — And, if you are preparing for Software Architecture certification then Certified Professional for Software Architecture — Foundation Level (CPSA-F) Training is another great resource worth looking. It’s bit expensive but if you want to grow as Software Architect then totally worth it.

iSAQB CPSA-F On-Demand Certification Training for Software Architects - Top Developer Academy

The only self-paced, on-demand iSAQB-accredited CPSA-F online course. The Certified Professional for Software…

topdeveloperacademy.com

Is Bugfree.ai Good Place to Learn System Design for Interviews in 2026? Review

2026-05-30T21:45:42.171-07:00

Hello guys, If you’re preparing for system design interviews—especially for FAANG or top-tier tech roles, you’ve likely encountered Bugfree.ai. In the past, I have tried various online platforms to learn System Design like ByteByteGo but one thing I missed is online interactive practice, something like LeetCode where I can solve problems, get it evaluated and also get points to move up the leader board. During my search, I have recently come across this amazing platform and its the platform brands itself as “LeetCode for System Design,” offering a mix of mock interviews, structured question practice, real-time feedback, and more.

But does it truly deliver value? Let’s break it down.

I Tried DesignGurus for System Design Interview: Is It Really Worth it in 2026?

2026-05-30T02:33:02.107-07:00

Hello guys, as tech interviews get tougher, many aspiring engineers look beyond LeetCode and books for structured, pattern-driven prep. If you are one of them and looking for best coding interview resources then you have come to the right place. Earlier, I have shared best coding interview courses and books and now I will explain why DesignGurus.io is a great place to prepare for coding interviews in 2026. If you don't know, DesignGurus.io—the platform behind the now-famous Grokking series of courses. But in 2026, with so many options, is it still worth your time and money?

Let's explore what DesignGurus offers, how it stacks up, and who will benefit most from it.

I Tried Both Udemy and Educative? Here is My Honest Review

2026-05-29T06:17:58.041-07:00

Hello guys, if you are wondering the difference between Udemy and Educative and whether you should take Udemy courses or join the Educative platform to learn new tech skills, you have come to the right place. Earlier, I have shared a comparison between Pluralsight and Udemy as well as CodeCademy vs Pluralsight in this article, I will compare Udemy with Educative, a new text-based, interactive learning platform. While I have often said that Udemy is my favorite platform because you can get high-quality and comprehensive courses from top instructors for just $9.9, which is phenomenal.

I Tried Codemia for System Design Interview Preparation and Its Awesome

2026-05-28T08:11:32.857-07:00

credit- Codemia.io

Preparing for a system design interview can be one of the most challenging aspects of landing a software engineering job at a top tech company.

Whether you’re aspiring to join FAANG or any other industry leader, the ability to design scalable, efficient, and maintainable systems is a skill that separates great engineers from good ones.

Enter Codemia.io — a platform dedicated to preparing candidates for success in system design interviews. Codemia.io is like the LeetCode for System deisgn and object oriented design.

For so long, there was not a platform where you can practice System design problems, get feedback, submit solution and also have a guide which can help you when you get stuck.

Codemia.io fills that gap. It’s an AI powered platform with the biggest collection of System design problems and a free System Design course to teach you everything you need to prepare for System design interview.

What separates Codemia.io from others is the expert solution and clever use of AI, which can not only assist you when you get stuck but also grade your solution and give tips to improve it.

They have now also expanded the platform to include OOP Design problems like how to design Vending Machine or How to design Parking Lot, which is equally important for anyone preparing for FAANG or MAAANG interviews.

if you want to join Codemia.io to level up your System design skills, now is the best time as they are offering 30% discount now and you can get access for just $60 for one year, original price is $99 so you have a chance to save$30 and also learn System design better.

Master System Design Interviews Through Active Practice

Passively learning system design does not work. Now you can practice system design problems like the way you practice…

codemia.io

In this article, we will explore why system design interviews matter, the challenges they pose, and how Codemia.io can become your ultimate partner to crack these interviews in 2026.

Why System Design Interviews Matter?

System design interviews evaluate your ability to solve real-world engineering problems. These interviews test various dimensions of your technical expertise, including:

Scalability: Can your system handle millions or even billions of users?
Performance: Is your solution efficient in terms of latency and throughput?
Reliability: Can your design ensure minimal downtime?
Maintainability: Will your system remain easy to update and debug over time?
Communication: Can you articulate your design ideas effectively to your interviewer?

Companies, both large and small, value these skills because they reflect how you’ll approach designing the architecture for large-scale, complex systems in real-life scenarios.

If you ace your system design interview, it’s a strong indicator that you can thrive in a challenging engineering environment.

Though, its not easy and you need to prepare hard to crack System design round, though, resources like Codemia.io help as they give you real questions and also provide framework to answer any system design question.

Their editorial solution is also a great example on how to structure your answer or solution on interview. For example, you can see this expert solution of Twitter System Design to get some ideas.

Why Cracking System Design Interview is Challenging in 2026?

Despite their importance, system design interviews are notoriously hard to prepare for, even for senior developers who have created multiple applications or supported real world applications in production.

Here’s why:

Broad Scope: System design problems span a wide range of topics, including databases, caching, distributed systems, networking, and more.
Open-Ended Questions: Unlike coding questions with a definitive solution, system design questions are often ambiguous, requiring you to define the scope and make trade-offs.
Lack of Resources: While there are many platforms for coding interview prep, resources for system design are relatively scarce.
Time Pressure: You’re expected to design complex systems within a limited timeframe, often leaving no room for hesitation.
Interviewer Expectations: Understanding what the interviewer is looking for — such as clarity, creativity, and knowledge of system design trade-offs — can be tricky. Though, you can check my following article where I have shared 15 essential software design tradeoffs which every developer should be aware of.

15 System Design Tradeoffs Every Senior Developer Must Know

From Scalability to Performance, Stateful to Stateless, and SQL to NoSQL these are 15 tradeoff which every developer…

medium.com

How Codemia.io Helps You Ace System Design Interviews?

Codemia.io is a specialized platform designed to tackle these challenges head-on. Let’s delve into the features that make Codemia.io the ultimate resource for system design interview preparation.

1. Free System Design Course

Codemia.io offers a free course to learn system design called Tackling System Design Interview Problems. This System design course covers all essential topics, such as:

Distributed systems and microservices architecture
Database design and sharding
Caching strategies and content delivery networks (CDNs)
Load balancing and scaling strategies
High Level Design and Low Level design

The course is a great way to start your System Design Interview Preparation. Most importantly its free.

Here is the link to join — Tackling System Design Interview Problems

2. Biggest Library of System Design Problems

Theory alone isn’t enough for mastering system design. Codemia.io has biggest collection of System design problems which you can practice online.

They are divided into beginner, intermediate, and advanced level so that you can improve your System design skill bit by bit. They also comes with expert solution which you can refer to find gaps in your solution.

Here are free System Design problems you can checkout on Codemia.io

These System design problems simulate real-world scenarios, helping you gain practical experience while solidifying your theoretical knowledge. You can also sort problems based upon the company you are preparing

Here is the full list of System Design problems

3. Interactive Learning

Codemia.io provides an interactive learning experience. You can write down your solutions, receive AI-driven feedback, and iterate on your designs.

This active learning approach helps you retain information better and understand concepts more deeply.

It also help you to learn System design by yourself as this is one of the topic which require discussion but with Chatbot and AI feedback you can discuss with AI and learn better.

In short, one of the best website to learn System designs for solo learners.

4. Visual Tools for Diagramming

A key aspect of system design interviews is presenting your solution visually. Codemia.io offers an integrated diagramming tool that lets you create:

Data flow diagrams
Component-level architectures
Sequence diagrams

This feature ensures that your solutions are not only sound but also visually compelling. Since drawing is quite important on explaining System Design, this tool help you to improve your system design and explanation skills.

You can also try this tool for free when you solve any free question on Codemia.io like How to Design TicketMaster?

5. System Design RoadMap

They also provide a System design roadmap where you can select any topic to explore a curated list of system design problems.

You can follow the roadmap to tackle progressively more challenging problems and advance your skills step by step.

6. AI-Driven Feedback

One of the standout features of Codemia.io is its AI-driven real timefeedback. After submitting your solution, you receive detailed feedback on various aspects of your design, such as scalability, fault tolerance, and efficiency.

This feature allows you to identify strengths and areas for improvement, ensuring a well-rounded preparation.

In fact, that’s where you learn better and more.

4 Key Benefits of Preparing with Codemia.io

Now that you know what is Codemia.io and how it can help you to prepare for System design interview, Here are few key benefits of using Codemia.io for FAANG interview preparation

1. Time Efficiency

Instead of piecing together resources from various books and websites, Codemia.io consolidates everything into a single, comprehensive platform. This saves you hours of prep time.

2. Industry-Relevant Content

Codemia.io’s curriculum is designed by engineers who’ve worked at top companies. This ensures that the content is relevant and aligned with what today’s interviewers are looking for.

3. Flexibility

Whether you’re a working professional or a student, Codemia.io’s self-paced courses fit into your schedule. Additionally, the platform’s mobile-friendly design lets you learn on the go.

4. Affordable Pricing

Compared to hiring a private tutor or attending costly bootcamps, Codemia.io offers a cost-effective solution without compromising on quality.

They are also offering 30% discount now and you can get access for just $60 for one year, original price is $99 so you have a chance to save$30 and also learn System design better.

Master System Design Interviews Through Active Practice

Passively learning system design does not work. Now you can practice system design problems like the way you practice…

codemia.io

How to Get Started with Codemia.io

Here’s how you can start your system design journey with Codemia.io:

Sign Up: Create an account on Codemia.io.
Choose Your Learning Path: Select from beginner, intermediate, or advanced tracks based on your skill level.
Choose Company : Use the platform’s filter company feature to target specific companies.
Practice, Practice, Practice: Engage in projects, mock interviews, and quizzes to reinforce your learning.
Review and Reflect: Use progress tracking to assess your readiness.

Success Stories from Codemia.io Learners

Thousands of engineers have transformed their careers with Codemia.io. Here are a few testimonials:

Maho P. — Senior software engineer at Microsoft: “Codemia makes studying system design so engaging! The interactive practice sessions and the chatbot are fantastic. I’ve learned more in a few weeks than I did in months of traditional study.”
Jayson Z. — Software engineer at Google: “I was struggling with system design interviews until I found Codemia. The detailed solutions and instant feedback from AI have been invaluable. This app is a must-have for anyone preparing for technical interviews.”
David Z. — Senior software engineer at Linkedin: “Codemia has been a game-changer for me! The AI-guided system design practice sessions have not only improved my skills but also boosted my confidence. I can’t thank Codemia enough for helping me ace my system design interviews.”

You can read more reviews here

Final Thoughts

System design interviews are a critical milestone in any software engineer’s career. With the increasing demand for scalable and efficient systems, mastering system design is no longer optional.

Codemia.io provides everything you need to excel in these interviews — structured learning paths, practical projects, expert-led mock interviews, and more.

Whether you’re aiming for your first job or transitioning to a senior role, Codemia.io can equip you with the skills and confidence to succeed.

Don’t leave your career to chance. Start your system design journey today with Codemia.io and secure your place among the best in the industry.

👉 Join Codemia.io today and take the first step towards acing your system design interviews and landing your dream job in tech.

Other System Design Articles and Resources you may like

Thanks for reading this article so far. If you like this article then please share with your friends and colleagues. If you have any questions feel free to ask in comments.

P. S. — They are also offering 30% discount now and you can get access for just $60 for one year, original price is $99 so you have a chance to save$30 and also learn System design better.

Master System Design Interviews Through Active Practice

Passively learning system design does not work. Now you can practice system design problems like the way you practice…

codemia.io

I Tried 50+ Coursera Certifications : Here Are My Top 5 Recommendations for 2026

2026-05-26T07:15:48.051-07:00

Hello guys, if you’ve been thinking about upskilling in key areas like data science, cybersecurity, project management, or Python programming, this is the perfect opportunity to unlock unlimited access to thousands of Coursera courses, certifications, and specializations.

Choosing the right certification is the first step toward a successful career, and Coursera Plus makes it easier by offering access to hundreds of top-notch programs.

For example, if you’re looking to break into data analytics, the Google Data Analytics Certificate is a great starting point, leading to roles such as Data Analyst or Business Intelligence Analyst.

Google Data Analytics

Offered by Google. Get on the fast track to a career in Data Analytics. In this certificate program, you'll learn…

coursera.pxf.io

If cybersecurity interests you, the Google Cybersecurity Analyst Professional Certificate provides a strong foundation for roles like Security Analyst or Threat Intelligence Specialist.

Google Cybersecurity

Offered by Google. Get on the fast track to a career in cybersecurity. In this certificate program, you'll learn…

coursera.pxf.io

If you want to become a UI/UX design then the Google UX Design Professional Certificate is where you will learn what it take to become a success UI/UX designer in 2026.

Google UX Design

Offered by Google. Get on the fast track to a career in UX design. In this certificate program, you'll learn in-demand…

coursera.pxf.io

And, if you want to break into IT support then Google’s IT Support Professional certification will give you all the necessary skills you need to become a successful Support Analyst.

Google IT Support

Offered by Google. Get on the fast track to a career in IT. In this certificate program, you'll learn in-demand skills…

coursera.pxf.io

To help you navigate these options, we recommend starting with beginner-friendly courses, working on small projects to apply your knowledge, and gradually pursuing advanced certifications.

Coursera’s real-world projects and career tools also enable you to build an impressive portfolio, making your profile stand out to potential employers.

Additionally, combining these certifications with complementary learning resources can accelerate your growth.

For instance, practice coding on platforms like LeetCode, refine your data skills on Kaggle, or explore project management frameworks through Scrum guides.

Why Join Coursera for Learning Tech Skills in 2026?

There are many reasons why I like Coursera.org and why I recommend Coursera but the most important reason is it provide a chance to learn from experts from world class universities like Stamford, Yell as well as from top companies like Google, Amazon, Meta, Microsoft, IBM etc.

There is no way you can get access to those people unless you are working on those big tech companies but with Coursera, you now have access to this great people and their experience.

Coursera’s flexibility and affordability also make it a strong alternative to traditional education, especially when paired with a solid study schedule and a clear career roadmap.

And for non-tech professionals aspiring to transition into tech roles, certifications like Google IT Support or project management courses can provide a solid starting point.

Finally, don’t forget to leverage your certifications on platforms like LinkedIn and GitHub, showcasing your achievements and projects to attract the right opportunities.

Coursera Plus gives you unlimited access to over 10,000 courses and professional certificates from top universities and companies like Google, Microsoft, and IBM.

Here’s why it’s worth considering:

One Subscription, Unlimited Learning: Access multiple courses without worrying about individual fees.
Industry-Recognized Certifications: Gain certifications that boost your career prospects.
Learn from Experts: Courses are created by leading academics and industry professionals.
Flexibility: Learn at your own pace, on your schedule.
Cost-Effective: With this $200 discount, you can access premium content for just $199 a year, less than $17 per month.

Here is the link to join Coursera Plus — Coursera Plus

I Tried 50+ Coursera Certifications : Here Are My Top 5 Recommendations for 2026

With Coursera Plus, you can access some of the most sought-after certifications to help you enter or advance in high-demand fields. In fact, it gives access to more than 10,000 courses, certifications and projects but obviously you cannot complete that much

Here are a few standout options:

1. Google Data Analytics Certificate

Why It’s Great: Covers data cleaning, analysis, visualization, and communication using tools like SQL and Tableau.
Perfect For: Aspiring data analysts or professionals transitioning into data-driven roles.
Career Opportunities: Data Analyst, Business Analyst.

2. Google IT Support Certificate

Why It’s Great: Teaches IT fundamentals, troubleshooting, networking, and security.
Perfect For: Beginners aiming for a career in IT support.
Career Opportunities: IT Specialist, Systems Administrator.

Press enter or click to view image in full size

3. Microsoft Cybersecurity Analyst Professional Certificate

Why It’s Great: Learn essential skills to detect, prevent, and respond to cyber threats.
Perfect For: Anyone interested in cybersecurity.
Career Opportunities: Cybersecurity Analyst, Information Security Specialist.

4. Project Management Certificate by Google

Why It’s Great: A comprehensive course on planning, executing, and managing projects effectively.
Perfect For: Professionals looking to step into project management.
Career Opportunities: Project Manager, Program Manager.

5. Python for Everybody Specialization

Why It’s Great: A beginner-friendly introduction to Python programming.
Perfect For: Aspiring developers, data scientists, or AI enthusiasts.
Career Opportunities: Software Developer, Data Scientist, Machine Learning Engineer.

And, the best thing is that you don’t need to join them individually you can get them and many more with just one single subscription, Coursera Plus and with $200 OFF.

Its basically the cost of just 3 certification if you buy them individually. Though, you should hurry up because its a limited time offer and will expire soon.

Here is the link to join Coursera Plus— Coursera Plus

How to Make the Most of Coursera Plus in 2026?

This is very important if you really want to see the change you want to see in 2026. Just subscribing to Coursera Plus magically will not do anything unless you take action and make most of it.

To be honest nowadays, its easy to get subscription, gone are the days where money was a limiting factor and like I have to wait months and months to buy a book.

Now, the problem is not money but the motivation and time but since you are taking Coursera Plus subscription, I bet you do have motivation.

Set Clear Goals: Decide what skill or certification you want to achieve this year.
Create a Learning Plan: Allocate a few hours a week to study.
Combine Certifications: Use Coursera Plus to pursue multiple certifications at no extra cost.
Apply Your Knowledge: Work on projects to reinforce your learning and build your portfolio.

If you are spending money, try to make full use of it by taking the courses I have recommended and following the tips I have given in this article. If you got any question, you can always ask in comments. I would be glad to help you.

Who Should Grab This Deal?

This is a great deal for anyone who want to learn tech skills and don’t want hassle of buying multiple courses. But this Coursera Plus offer is particularly useful for:

Students: Want to upskill for better internship and job opportunities.
Professionals: Looking to transition into high-paying, in-demand tech roles.
Lifelong Learners: Interested in exploring various fields without breaking the bank.

I highly recommend Coursera Plus subscription to professionals because its our job to keep ourself up-to-date otherwise you will become outdated and it will be tough to survive in this tough market.

While I have Coursera Plus subscription for many years and its even fully worth it for its original price of $399 per year, with $200 it become a no brainer for anyone to get this deal.

If you always wanted to join Coursera Plus but couldn’t join because of cost this is your chance, but hurry up as this is a limited time offer and its expiring soon.

Final Thoughts

That’s all about the 5 Best Coursera certifications you can do in 2026. Whether you’re starting a new career, aiming for a promotion, or simply expanding your knowledge, Coursera Plus provides the certifications and resources to help you achieve your goals.

Don’t miss this incredible opportunity to learn from the best and transform your career in 2026.

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Coursera Plus | Unlimited Access to 10,000+ Online Courses

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I Found LeetCode for Software Design Interview and Its Awesome

2026-05-24T08:16:54.799-07:00

credit- codemia.io

Hello guys, If you’re preparing for FAANG interviews, then you already know that Data Structures & Algorithms (DSA) and System Design are two key areas where you will be tested rigorously.

While LeetCode is the go-to platform for DSA, system design has always been a challenge — until now.

I recently found Codemia.io, and I must say, it feels like the LeetCode for System Design.

If you’ve struggled with structuring your system design answers, getting real feedback, or knowing whether your approach is correct, Codemia.io is a game-changer.

They not just have the biggest collection of System Design and OOP Design problem for practice they also have a free System deign course called Tackling System Design Interview Problems, which is a great free resource to learn essential System Design concepts.

It’s a short course with 2 hour of content but powerful and also have quizzes to test your skills. Here are all the key System deign topics you can learn on this free course:

Now, let’s checkout how Codemia.io can help you to prepare better for your System design and OOP Design interview and why I think its like LeetCode for Software design.

Why Software Design Needs a Platform Like Codemia.io?

Most system design resources today are long, text-heavy articles or expensive courses. The problem?

No hands-on practice — Reading about system design isn’t enough; you need to actively design solutions.
No structured progression — Unlike DSA, where problems are categorized by difficulty, system design prep often feels random and overwhelming.
No evaluation or expert feedback — You don’t just need an answer; you need to know why one design is better than another.

This is where Codemia.io changes the game.

What Makes Codemia.io Special?

Instead of just giving you theory-heavy content, Codemia.io provides an interactive, structured, and guided approach to system design. Here’s what I loved:

1. Real-World System Design Problems

Codemia.io has over 120+ system design problems, each with a structured approach similar to how LeetCode presents DSA problems.

For example, consider the classic “Design a URL Shortening Service” problem.

You start with:
✅ Functional and Non-Functional Requirements
✅ Capacity Estimation
✅ Database Schema and API Design
✅ High-Level & Low-Level Design

It guides you step by step so you don’t feel lost.

Bonus: You also get access to a drawing board where you can sketch your architecture, just like in a real system design interview.

And most importantly they also share expert solution for most of the problems to see how an expert should answer that question. For example, here is the solution of how to design a URL shortening service and its also available for free

2. Difficulty-Based Categorization

Just like LeetCode, both System design and object oriented design problems are categorized as:

Easy — Foundational concepts like Load Balancing, Caching, Message Queues
Medium — Scenarios like Rate Limiting, Search Autocomplete, Real-Time Chat Systems
Hard — Complex designs like Distributed Databases, Cloud Storage, and Microservices Architecture

Each problem also includes company tags so you can focus on what’s asked at FAANG and other top tech companies. For example, this how to design Twitter problem is a medium scale problem which you can see to get some experience. It’s also free.

3. AI-Powered Hints & Evaluations

One of the best features is AI-assisted guidance. You get to chat with the coach — the AI agent which will help you with the question and solution.

✅ If you get stuck, AI provides hints — just like LeetCode’s hint system.
✅ If you submit a design proposal, AI evaluates it against industry best practices.
✅ You get automated feedback on scalability, fault tolerance, and efficiency.

This bridges the gap between self-learning and expert mentorship.

Beyond System Design: Object-Oriented Design & AI Interviews

Codemia.io goes beyond just system design. It also covers Object-Oriented Design (OOD) Questions. If you don’t know , Object-Oriented Design is a common low-level design (LLD) round at FAANG.

Here are OOP problems you can solve on codemia.io to get some practice:

Classic problems like Parking Lot, ATM Machine, and Hotel Booking System
Step-by-step UML diagrams and class structure explanations
Comparison of different design patterns

If you struggle with OOD interviews, this is a goldmine.

Here is also all the OOP design problems available on Codemia.io

Codemia.io vs DesignGurus.io vs Educative

Now, let’s see how codemia.io compares with other popular resources we have used in past to prepare for System Design interview, notably DesignGurus.io whose Grokking the System Design Interview course is also one of my favorite and Educative.io, whose modern System design course is also a great resource.

You can see that codemia.io have highest number of practice problems, 120+ and growing, no other platform have that many questions which is also the big plus point of this platform and that’s why I called it “Leetcode of System Design”.

Second important point is expert written solution, also known as editorial solution in this website. There are mor than 80+ such solution which are great resource to compare your solution, learn from them and also find how to answer such questions.

What point to mention, what should you discuss, tradeoffs and so much more.

Another plus point of codemia.io is that it has object oriented programming questions which is not available in other courses, though DesignGurus.io have Grokking the Object Oriented Design Interview course which you can use for OOP design practice, but again when it comes to numbers, codemia.io wins.

So far we have compared the content but if we talk about platform, codemia.io have especially designed for online practice, particularly Software design questions.

It comes with Interactive learning tools, interactive feedback and evaluation, chatbot and a great design tool for drawing. No other platform support so much feature which is essential to master system design.

Then there is community and you can also see the solution of other folks to learn from them. I love this feature as it allows me to see what other folks are thinking and how they solve that problem. This comparative analysis have helped me a lot to learn key system design concepts.

Overall, I think, codemia.io is a great platform to prepare for System design and OOP design interview. You may find courses but its hard to find a platform like this.

I highly recommend it for anyone preparing for System Design and Tech interviews. And, if you want to join now, you can also use discount code PROMOTION20 to get 20% off now.

Here is the link — 20% OFf on Codemia.io

Final words

If you’re preparing for FAANG system design interviews, Codemia.io is a must-try. It solves the biggest problems in system design prep:

✅ Structured learning path (instead of random articles)
✅ Real-world hands-on practice (instead of just reading)
✅ Expert evaluation & AI feedback (so you know what to improve)
✅ Mock interviews to simulate real conditions

I’m still exploring Codemia.io, but what I’ve seen so far is truly impressive.

If you’ve tried it, let me know what you liked or didn’t like.

Other System Design Articles and Resources you may like

Thanks for reading this article so far. If you like this article then please share with your friends and colleagues. If you have any questions feel free to ask in comments.

P. S. — They are also offering 20% discount now and you can get access for just $59 for one year, original price is $120 so you have a chance to save$60 and also learn System design better.

Master System Design Interviews Through Active Practice

Passively learning system design does not work. Now you can practice system design problems like the way you practice…

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