Hi 👋, I'm Karan Pawar

🚀 Backend Software Engineer | Java & Spring Boot | Microservices 📍 India

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💼 About Me

Backend-focused Software Engineer with 3+ years of experience building scalable microservices using Java & Spring Boot.

• ⚡ Improved API performance by 71% using Redis caching
• 🧠 Built event-driven systems using Apache Kafka
• 🔐 Implemented secure authentication using JWT (HS256 → RS256)
• 📈 Worked on CRM & E-commerce platforms serving 1000+ users

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🏢 Experience

💻 Software Developer — VKV Technologies (Jul 2023 – Present)

🛒 Microservices-Based E-Commerce Platform

• Maintained 7+ microservices using Java & Spring Boot
• Reduced API response time from 120ms → 35ms (71% improvement)
• Implemented Redis caching, reducing DB load by 40%+
• Built Kafka-based audit logging (500+ events/day)
• Optimized MySQL queries → 30% lower latency
• Designed batch processing for 1000+ product records (2x faster)

📊 Trading CRM Platform (Node.js + MongoDB)

• Supported 1200+ active users
• Built real-time WebSocket logging system → improved debugging by 45%
• Developed Webhook Builder & Email Engine → reduced manual work by 60%
• Implemented RBAC & Login-as-Client feature → faster issue resolution (70%)
• Migrated JWT from HS256 → RS256 (better security)
• Reduced MongoDB API response time by 30%+

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🛠️ Tech Stack

👨‍💻 Languages

Java | JavaScript | C++ | Python | HTML | CSS

⚙️ Backend

Spring Boot | Spring MVC | Spring Security | Hibernate | JPA | Node.js

🗄️ Databases

MySQL | MongoDB | PostgreSQL | Redis

🔄 Messaging & Tools

Apache Kafka | WebSocket | Docker | Kubernetes | Jenkins | Git | Linux

🧠 Concepts

Microservices | REST APIs | JWT Authentication | RBAC | Event-Driven Architecture

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📊 GitHub Stats

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📫 Connect With Me

• 📧 karanhireme24@gmail.com
• 🔗 LinkedIn: https://linkedin.com/in/karan-pawar-007
• 💻 GitHub: https://github.com/kdp-alpha
• 🧠 LeetCode: https://leetcode.com/u/Karan Pawar