GitNation: Talks & workshops by core teams and top engineers

Upcoming events

Subscribe to the top Dev conferences

JSNation US 2026

Nov 16 - 19, 2026

AI Coding Summit NYC

Nov 16 - 19, 2026

React Summit US 2026

Nov 17 - 20, 2026

React Day Berlin 2026

Dec 4 - 7, 2026

AI Coding Summit Berlin

Dec 4 - 7, 2026

React Summit Asia 2027

Apr 14 - 19, 2027

AI Coding Summit Asia 2027

Apr 15 - 20, 2027

TechLead Conf Amsterdam 2027: Adopting AI in Orgs

May 20, 2027

AI Coding Summit Amsterdam 2027

May 20 - 24, 2027

React Summit 2027

May 21 - 25, 2027

JSNation 2027

May 21 - 25, 2027

Web Development insights directly from framework authors and early adopters.

Talks from our events

React Advanced 2026

Oct 23 - 26, 2026

TechLead Conf London 2026: Adopting AI in Orgs Edition

Oct 23, 2026

AI Coding Summit London

Jul 6 - 7, 2026

JSNation 2026

Jun 11 - 15, 2026

Web Engineering Summit 2026

Jun 11 - 15, 2026

TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition

Jun 11, 2026

Node Congress 2026

Mar 26 - 27, 2026

AI Coding Summit 2026

Feb 26 - 27, 2026

TechLead Conf London 2025: Adopting AI in Orgs Edition

Nov 28, 2025

React Advanced 2025

Nov 27 - Dec 1, 2025

React Summit US 2025

Nov 18 - 21, 2025

JSNation US 2025

Nov 17 - 20, 2025

Articles

Emma Bostian: I landed my dream job by sharing my blogs on Twitter

Software engineer, lecturer, podcast host, author — is there something Emma Bostian hasn't done? She moved from America to Sweden, started working at Spotify, and took up a few challenges along the way. And now she has some career tips to share.

What led you to...

Kent C. Dodds: Consume, build, and teach — and level up your career

Even though his bio offers quite a hefty reading, he only applied for one job in his career. The rest came along as he was building his name as a renowned speaker, teacher, and a prolific figure of the open-source community. How did Kent do it? “Commit to creating high-quality content,” he sa...

10 Storyblok CMS Agencies and Development Companies for Your Next Build (October 2026)

Storyblok CMS agency quality varies less on platform familiarity and more on content-modeling discipline, website migration methodology, and post-launch governance. We've chosen 10 Storyblok services, proven by real expertise. A top Storyblok agency is evaluated by its ability to architect the ri...

14 Sanity CMS Agencies and Development Companies: Verified List (2026)

If you are looking for a Sanity CMS agency or a Sanity developers to run your website development or content operations software migration, this guide gives you a verified shortlist and the exact questions to ask before signing anything.

Most "Top Sanity...

2000+ grabaciones de conferencias React y JavaScript en español por GitNation

GitNation, conocida por organizar conferencias de JavaScript y React, ha implementado importantes actualizaciones en su plataforma de video. Estas nuevas características están diseñadas para mejorar la accesibilidad y la capacidad de descubrimiento de contenido para desarrolladores en todo el mun...

Explore what's new in the 2024 editions of JSNation and React Summit!

JSNation and React Summit are the key JavaScript and React conferences of the year, expecting over 3K attendees, featuring 110+ speakers, and offering 15+ Free and PRO workshops altogether...

Spanish translations for 2000+ React and JavaScript talks from GitNation

GitNation, known for organizing JavaScript and React conferences, has rolled out significant updates to its video platform. These new features are designed to improve content accessibility and discoverability for developers worldwide and marks the start of ongoing localisation efforts with more l...

Top ideas

What is Hugging Face?

Hugging Face is a platform where the machine learning community collaborates on models, datasets, and applications, aiming to democratize machine learning.

Can Redux be used with server-side rendering (SSR)?

Yes, Redux can be used with server-side rendering (SSR). You can create a Redux store for each request, dispatch actions to fetch data, and then pass the serialized state to the client for hydration. However, whether to use Redux for SSR depends on the specific needs of your application.

What types of state are best managed by Redux?

Redux is best suited for managing state that is needed by multiple components, state that needs to persist beyond the lifecycle of a single component, and state where it is beneficial to have a clear history of actions and updates. It is less suitable for managing local component state or form state.

Why should architects focus on what really matters?

Architects should prioritize areas that provide the most business value, even if it means accepting technical debt in less crucial areas, to ensure strategic goals are met.

How does Redux compare to using React's useReducer and useContext?

While useReducer and useContext can mimic some Redux patterns, they differ in that Redux keeps state outside the React component tree, leading to fewer re-renders and better performance in some scenarios. Redux also offers powerful developer tools not available with useReducer and useContext.

Can RSC be used with languages other than JavaScript?

While RSC is primarily JavaScript-based, there are experimental libraries like rscx for Rust that attempt to implement RSC-like functionality in other languages.

What improvements in web technology does the speaker discuss?

The speaker discusses improvements in CSS and web APIs, such as dynamic viewport height units, scroll behavior in CSS, scroll snap, intersection observer API, and the web animation API.

Is React.js suitable for SEO?

React.js can be optimized for SEO with techniques like server-side rendering (SSR) using frameworks like Next.js.

What is the shift-left approach in software development?

The shift-left approach involves moving responsibilities earlier in the development process, meaning developers now make more architectural decisions rather than relying solely on designated roles like architects.

What are the limiting factors in web engineering?

Limiting factors include CPU performance, storage performance, and the diversity of devices and networks that web applications must run on.

Deep Dives

Deep Dive: Growing to Tech Lead

Growing to Tech Lead

Learn directly from other Senior+ and Lead engineers on how to progress your engineering career, strengthen your foundational skills and become and irreplaceable engineer.

Talk: Pocket Guide to Seniority
Talk: Why Engineers Must Become Multipliers in the AI-Era
Talk: Walking the Netflix Paved Road (Bumps Included): Web Framework, Hawkins Design System
Talk: Transforming Your Tech Interviews in the AI Agent Age
Talk: 5 Tough Conversations Managers Need to Have

... and 14 more talks and workshops

Deep Dive: AI Assisted Coding

AI Assisted Coding

Remove the noise, master agentic coding patterns actually tested in production directly from Senior practitioners.

Talk: Templates and Components for Claude Code: The Future of AI Coding Workflows
Talk: Using Spec-Driven Development for Production Workflows
Talk: Building Blocks of an Agentic Engineering Platform: What SRE Taught Us About Running Agents
Workshop: AI-Powered Code Review
Workshop: Operating Agent-Based Systems - Overview, Configure, Run, Orchestrate, Monitor

... and 22 more talks and workshops

Deep Dive: Mastering Full-stack

Mastering Full-stack

Master full-stack and fundamental engineering skills for AI-enabled future.

Talk: Building a JavaScript Engine in Rust: Lessons From Boa
Talk: Building a JavaScript Engine in Rust: Lessons From Boa
Talk: Beyond Benchmarks: node.js, Deno, and Bun in Real Production
Workshop: DevOps for Front-end Developers: From Local Code to Production by Docker Captain
Workshop: Building Fullstack Apps With Cursor

... and 21 more talks and workshops

React Advanced 2026

27 min

Controlling Async Chaos in React with Effect-TS

Violina Popova

ClipMyHorse.TV

As React applications scale, asynchronous logic often turns into a source of fragility and frustration. Scattered useEffect hooks, ad-hoc retries, manual loading states, and inconsistent error handling create race conditions, memory leaks, and business logic that’s nearly impossible to test relia...

architecture

Advanced Claude Code Techniques for 2026

AI Coding Summit 2026

127 min

Advanced Claude Code Techniques for 2026

Top Content

Workshop

Cole Medin

Cole will walk through his agentic coding workflow that allows him to delegate all coding to the agent while still keeping him in the driver's seat (no vibe coding!). The key is to create a structured approach for both the up front planning and the validation - and he'll demonstrate what that loo...

best practices

WebHID API: Control Everything via USB

JSNation 2022

23 min

WebHID API: Control Everything via USB

Top Content

Nikita Dubko

Lead Frontend Developer and CSS Evangelist

Today's Talk introduces the webHID API, which allows developers to control real devices from the browser via USB. The HID interface, including keyboards, mice, and gamepads, is explored. The Talk covers device enumeration, input reports, feature reports, and output reports. The use of HID in the browser, especially in Chrome, is highlighted. Various demos showcase working with different devices, including a DualShock controller, microphone, gamepad, and Stream Deck drum pad. The Talk concludes with recommendations and resources for further exploration.

browser api innovation

Flashlight, a Lighthouse for Mobile Apps

React Advanced 2023

7 min

Flashlight, a Lighthouse for Mobile Apps

Alexandre Moureaux

BAM

Today's Talk introduces Flashlight, a tool for measuring mobile app performance. Flashlight provides a performance report that highlights issues like high CPU usage on low-end devices. To fix these issues, the Shopify component Flashlist can be used. Flashlight can also be used locally to measure performance changes in React Native apps, with the ability to see the score rapidly changing and improved performance after implementing fixes. More information can be found in the documentation and an article comparing scrolling performance in React Native.

performance react native flashlight react native

Skill Design for LLM Agents

AI Coding Summit London

24 min

Skill Design for LLM Agents

Minko Gechev

Google

Minko Getschev, AI lead at Google, shares insights on building effective agent skills, including architecture, skill creation best practices, and evaluation methods. Agent decision-making, planning, and hybrid architectures are explored, with a focus on the React loop for tool utilization. Context expansion and management, utilizing tools like MCP and CLIs, enhance agent power. The discussion includes comparisons between MCP and CLIs in agent systems, emphasizing context handling and debugging. Agent skills are structured as procedural instructions, with an open standard focused on tasks and workflow logic. Best practices for skill workflow involve avoiding redundancy, optimizing front matter, and focusing on predictable execution. Utilization and management of agent skills are crucial for performance optimization. Continuous skill evaluation, testing, and improvement are highlighted, with SkillGrade for evaluating agent skills. Skill workflow execution analysis involves identifying failures, log analysis, and rerunning workflows for successful execution.

best practices

Emma Bostian: I landed my dream job by sharing my blogs on Twitter

Top Content

Rich Harris

Svelte Creator

As a child, the speaker was fascinated with space and finding direction. Svelte is an HTML-first approach to web development that simplifies tasks and offers efficient reactivity. The speaker reflects on Svelte's growth, goals, and design philosophy. Svelte aims to fix broken software and prioritize user focus. The future direction includes error boundaries, better debugging, and AI's role. Building open source software is challenging, and Rust's impact is discussed. The speaker values framework diversity and highlights the advancements and challenges faced by web development.

svelte

Featured

Why Software Fundamentals Still Matter

React Advanced 2026

31 min

Why Software Fundamentals Still Matter

Matt Pocock

Total TypeScript & AI Hero Author

soft skills

No REST for Cap'n Web

Node Congress 2026

23 min

No REST for Cap'n Web

Top Content

Kenton Varda

Cloudflare

Kenton Varda advocates for using CapnWeb, an RPC protocol, over REST for web APIs, emphasizing benefits for humans and AI agents. CapnWeb simplifies client-server communications by treating them as function calls. TypeScript type checking ensures method accuracy in CapnWeb across JavaScript runtimes. Stubs in CapnWeb allow method calls to execute on remote objects and simulate all possible method names for remote calls. Converting REST APIs to CapnWeb streamlines code and improves API calls. CapnWeb enhances API functionality with object-specific RPC sessions and promises pipelining for multilevel API optimization. AI agent security challenges are addressed with sandboxing and token protection in CapnWeb. CapnWeb capabilities for AI agents include passing restricted CapnWeb stubs and exploring capability-based security with CapnProto.

tooling

What RSCs Can Do in Next.js Today

React Advanced 2026

25 min

What RSCs Can Do in Next.js Today

Aurora Scharff

Vercel

Building app-like UX on the web has historically meant reaching for an SPA. You ship the data layer to the browser, manage a client cache, juggle loading states, coordinate mutations, and write a lot of code to keep the UI feeling fast and fresh. The result can be great, but the cost is high, and...

next.js react server components

Vinext: Deploy Next.js Without Next.js

React Advanced 2026

23 min

Vinext: Deploy Next.js Without Next.js

Jan Peer Stöcklmair

Open-source contributor. JS fanatic. I love optimizing workflows.

Next.js is a great framework - until you want to deploy it somewhere that isn't Vercel. vinext is a Vite plugin from Cloudflare that reimplements the Next.js API surface from scratch, so your existing app runs everywhere with a single command. In this talk, we'll look at why this exists, how Cl...

next.js frameworks fullstack

Pragmatic 101 on Custom JS Tooling for Your Project

JSNation US 2025

122 min

Pragmatic 101 on Custom JS Tooling for Your Project

Featured Workshop

Will Klein

Let’s demystify the secrets of modern JavaScript tooling. In this workshop, you will learn how linters, compilers, and code transforms work. You will take your first steps building your own developer tools, writing an ESLint rule, a compiler plugin, and a code transformation. Learn these skills t...

tooling

From Segments to Suspense: The Future of Next.js Caching

React Advanced 2025

27 min

From Segments to Suspense: The Future of Next.js Caching

Wyatt Johnson

Clerk

Introduction to Cache Components in Next.js 16, transforming the app router with new features like partial pre-rendering, Dynamic I.O., and caching directives. Deep dive into static params generation in Next.js focusing on changes in generating static params for improved performance. Exploring challenges of generating static params and balancing static vs. dynamic rendering for better performance. Addressing challenges with cache components, optimizing static and dynamic rendering for improved performance. Understanding impact of parameters on rendering with cache components, managing dynamic components, and introducing suspense boundaries for faster page loads. Enhancing cache life APIs, introducing a new caching model for static outputs in Next.js. Revolutionizing cache management with granular control over cache lifetimes and dynamic segment configuration. Navigating data and caching in Next.js, exploring cache components guidance and caching differences between server and client components.

react performance next.js frontend react server components server cache

Agentic Interfaces: Tools, Skills, Generative UI and Web MCP

JSNation 2026

31 min

Agentic Interfaces: Tools, Skills, Generative UI and Web MCP

Wes Bos

Full Stack Developer, Speaker & Teacher, Co-host of Syntax.fm podcast.

Wes discusses the evolving ways of interacting with software, from UI to voice commands and tailored interfaces. He explores generative UI, explaining its three levels: basic, declarative, and fully generative. Discussions on finding a middle ground between known components and fully generative approaches. Discussing challenges with current MCP interfaces and the need for adaptive and reactive interfaces, using smart home examples to illustrate preferences for UI interactions and personalized automation. Exploring the versatility of WebMCP in switching between manual and agent-controlled interactions for enhanced user experiences. Discussing staying hopeful in front-end development, embracing new technologies, and the concept of dynamic UI for user-driven component selection. Discussing the importance of preserving the openness of the web, advocating against centralized control by a few companies, and the risks associated with MCPs in user consent and security.

artificial intelligence

How to Build Full-Stack Apps Using Cursor

React Summit US 2025

65 min

How to Build Full-Stack Apps Using Cursor

Featured WorkshopFree

Shrey Shah

In this workshop, I’ll guide participants through a process for building full-stack applications using Cursor. We’ll cover setting up Cursor workflows, including rules, commands, and custom modes, to streamline development. We will use Cursor to draft PRDs, database schema, etc and a simple SOW....

fullstack

Every API is a Tool for Agents with Code Mode

Node Congress 2026

32 min

Every API is a Tool for Agents with Code Mode

Matt Carey

Cloudflare

The Talk introduces APIs, Codemode, and MCP, highlighting the role of APIs in empowering agents and AI's access to external resources. CloudFlare's evolution with MCP involves remote tool sharing and addressing challenges like large context windows. Challenges in Cloudflare's API tool access include progressive tool disclosure and splitting MCP servers. The discussion covers tool search, project management API creation, CodeMode concept, and self-documenting tools for secure tool execution. Proposed solutions include Code Mode, SDK generation, efficient control flow, token efficiency, and secure code execution. Key topics include dynamic worker loaders, Cloudflare API integration, Visitor Counter implementation, and exploring MCP server functionality.

artificial intelligence

npm install && pray

Node Congress 2026

29 min

npm install && pray

Jo Franchetti

PayPal

JavaScript developers face security risks in npm packages with self-replicating worms compromising packages. Supply chain attacks target prolific maintainers leading to unauthorized code injections. Vulnerabilities in package maintainers and implicit trust contribute to successful attacks. Secure package installation practices vary between npm and Deno. AI-generated code introduces new security risks with embedded secrets. Secure AI code execution involves sandboxing for isolation and secure handling of API keys.

artificial intelligence

Short takes

How To Get The Most Out Of the Cloud As A Front-End Developer

React Summit US 2025

7 min

How To Get The Most Out Of the Cloud As A Front-End Developer

Erik Hanchett

AWS

Front-end developers benefit from cloud services like AWS S3 and Lambda. AWS offers services like Cognito for identity management and Bedrock AI models. AWS Amplify provides Hosting and Cloud Development Kit for efficient development. The Cloud Development Kit is recommended for TypeScript deployment. AWS Amplify connects front-end to AWS services and SDK for back-end. QR code feedback is available for the talk.

tooling

Organic Leadership in the Age of AI: Why human Touch Becomes More Valuable Than Ever

TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition

8 min

Organic Leadership in the Age of AI: Why human Touch Becomes More Valuable Than Ever

Kseniia Korostelova

Mentorship available

Aristocrat Interactive

Reflecting on the integration of AI in software development and the implications for leadership and decision-making. AI integration in leadership: embracing context, judgment, and accountability. Principles: Context before output, Intent before optimization, Awareness before efficiency, Accountability before automation. Leadership as an ecosystem with roots, stem, and fruit; AI's role in each part. Using AI at different levels of leadership: fruit, stem, and roots. Decision-making needs context. Leadership bridges information and context gaps. AI for efficiency but human touch for depth and understanding.

case study

Debugging Performance With AI

JSNation 2026

6 min

Debugging Performance With AI

Bernie Sumption

AG Grid

The talk explores using AI to address challenges in rendering performance optimization, highlighting the potential of tools like Chrome developer tools MCP. Leveraging AI with these tools can streamline the process and flatten the learning curve for developers. The approach of isolating performance issues through commit analysis, including systematic testing and synthetic stress tests, is emphasized as a practical method to identify and resolve rendering performance issues effectively.

artificial intelligence

Video Optimization for the Web: The Missing Piece in Lighthouse

React Summit US 2025

7 min

Video Optimization for the Web: The Missing Piece in Lighthouse

Rahul Nanwani

ImageKit.io

Rahul introduces video optimization principles, emphasizing modern formats, compression, bitrate reduction, and lazy loading. ImageKit simplifies video loading by compressing videos significantly and adapting to network conditions. Pausing videos when not in view saves data costs and enhances user experience.

video

Control, Evidence, Trust: Leading Teams When AI Writes the Code

TechLead Conf London 2026: Adopting AI in Orgs Edition

7 min

Control, Evidence, Trust: Leading Teams When AI Writes the Code

Albert Franquesa

Quality Clouds

AI assistants now write a growing share of the code your team ships, but most review processes and quality gates were designed for human authors. Reviewing more code faster isn't a strategy. In this lightning talk, Albert Franquesa introduces Control, Evidence, Trust, a simple model for leading t...

artificial intelligence

Trust Engineering: Replacing Hope with Reliability

TechLead Conf London 2026: Adopting AI in Orgs Edition

7 min

Trust Engineering: Replacing Hope with Reliability

Kseniia Korostelova

Mentorship available

Aristocrat Interactive

How do you deliver with AI and still sleep at night? By engineering trust into your delivery system.
In this talk, I'll share an end-to-end AI engineering workflow we built and ran on a production codebase, redefining roles, responsibilities, quality ga...

artificial intelligence

Navigating Islands of Interactivity

React Advanced 2025

9 min

Navigating Islands of Interactivity

Reuben Tier

Pragma

Islands in web development are interactive components that are rendered on the server and hydrated separately. They offer fine-grain control over JavaScript, speed up page loading, and reduce JavaScript shipping. Applications of islands span across eCommerce, media sites, docs, and blogs, providing interactivity without excessive JavaScript. Nanostores enable state sharing among islands. Key takeaways include utilizing Nanostores for state management, exploring ASTRO and islands for development, and using client directives for JavaScript control.

astro

Ensuring Quality with AI

TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition

7 min

Ensuring Quality with AI

Richard Roggenkemper

Sentry

Richard Rodenkemper, senior software engineer at Sentry, discusses ensuring quality with AI. GitHub data shows exponential growth in coding. Concerns arise about the reliability of coding agents versus human engineers. Impact of AI and Cloud on code production and app quality is questioned. Challenges in code reliability despite increased production are highlighted. AI as a quality tool in software development. Importance of reliability for product success highlighted. AI's strengths in handling data and searching code base discussed. Examples of AI usage in code reviews and quality assurance at Sentry shared. AI efficiency in endpoint deprecation and system updates highlighted. AI's assistance in migrating design systems and reducing notifications using Cloud Code emphasized.

artificial intelligence

Rustifying Vite: Designing a Hybrid Toolchain for the Real World

JSNation 2026

6 min

Rustifying Vite: Designing a Hybrid Toolchain for the Real World

Alexander Lichter

VoidZero

Options for pre-bundling, transformation, and minification. Rollup, bundling, and limited chunk control. SWC for React, but complexity with multiple bundlers causing issues for maintainers and developers. Limitations in bundlers, features V8 needs. Improving build times with Rust. Introducing Roldown with rollup's API, compatibility, speed, and advanced chunking. Features like module types, lazy barrel optimization, HMR, and built-in minifier for a performant bundle. Ensuring Rust-based bundler compatibility with JavaScript ecosystem. Introduction of Swangular for efficient plugin handling. Native Rust plugins support with module resolution, aliases, TypeScript JSX transform, dynamic imports. Integration with underlying minifier, transformer, linter, and formatter for tool chain V+.

tooling vite

Using Spec-Driven Development for Production Workflows

JSNation US 2025

7 min

Using Spec-Driven Development for Production Workflows

Erik Hanchett

AWS

We're discussing spec-driven development and the innovative AI IDE, QIRO, that supports this approach. QIRO focuses on structured specifications before coding, aiding developers in creating designs. The QIRO mascot, a playful ghost, symbolizes the essence of spec-driven development. Eric Hanchett discusses QIRO, emphasizing its spec-driven development feature integrated into the IDE. QIRO aids in in-depth feature planning, resembling a structured requirements approach. Coding assistants benefit from detailed examples for efficient development. Exploring Manual Coding Assistance: Creating user requirements, building design documents, and task lists manually. Example of using spec mode in a coding assistant to break down requirements, create designs, and implement features.

artificial intelligence

Latest

Dangerous Reactivity: Why AI Output Is React's New XSS

React Advanced 2026

24 min

Dangerous Reactivity: Why AI Output Is React's New XSS

Ramona Schwering

GDE in Web Technologies and a Women Techmaker and Cypress Ambassador

React developers (amongst others, ofc) know one golden rule: never use dangerouslySetInnerHtml on user input. Yet, as we're integrating Large Language Models (LLMs) into our applications, we often make a fatal mistake. We're treating AI output as a trusted source. This is fine. Well, not automati...

security

Faster and Lonelier: AI, Isolation, and the Erosion of Engineering Collaboration

TechLead Conf London 2026: Adopting AI in Orgs Edition

25 min

Faster and Lonelier: AI, Isolation, and the Erosion of Engineering Collaboration

Daniil Mazepin

CoreWeave

AI makes individual engineers faster - and quietly more isolated.
As coding agents become everyone's default pair, the collaboration that keeps an org healthy erodes: pairing fades, context gets trapped in private chat histories, knowledge stops diffusing, teams drift into silos.
...

artificial intelligence

When Waiting Becomes a Feature: Rethinking Performance for AI Applications

React Advanced 2026

36 min

When Waiting Becomes a Feature: Rethinking Performance for AI Applications

Muhyideen Akindele

Sinbyte Limited

For decades, frontend performance has been guided by the simple principle that faster is better. We optimize load times, reduce latency, and remove every unnecessary delay from the user journey.While building streaming AI interfaces with React, I discovered that traditional performance met...

performance

Putting a Ceiling on the Thing You Just Told Everyone to Use

TechLead Conf London 2026: Adopting AI in Orgs Edition

28 min

Putting a Ceiling on the Thing You Just Told Everyone to Use

Alexandru-Daniel Tufa

Yelp

AI usage grows, cost follows, and leadership asks you to control it. The instinct is to reach straight for a spending cap. Our concern was that doing so would undermine the adoption we had encouraged, while the arithmetic showed that a daily limit would not control the overall budget anyway...

tooling

Proving What an AI Won't Do

TechLead Conf London 2026: Adopting AI in Orgs Edition

27 min

Proving What an AI Won't Do

Fabio Dias

University of Surrey

How do you know an AI system will refuse the thing it must always refuse? Today the answer is testing: ask it a thousand ways and hope the thousand-and-first isn't different. The policy in this talk has 55 variables a caller controls: that's 36 quadrillion situations! It also has a test sui...

artificial intelligence

From Legacy to Delight: The Future of Node.js DX

JSNation 2026

21 min

From Legacy to Delight: The Future of Node.js DX

Claudio Wunder

Governance at OpenJS Foundation

Claudio Bunder emphasizes the importance of Node.js documentation, highlighting its impact on the ecosystem and the challenges in maintaining it. Node.js API documentation tooling faces significant design and implementation hurdles, with a lack of documentation hindering user interaction. The transformation of Node.js API documentation was driven by the need to improve user experience. Dockit, an AST engine, streamlines API documentation generation with support for Markdown, JS Doc, and TS Doc, offering modular flexibility and community-driven documentation creation. Dockit's efficient processing of document structures and metadata, combined with a generator system, ensures high performance and scalability in API documentation generation.

node.js

Beyond Rubber Ducking - Engineering in Times of AI (LLMs)

TechLead Conf London 2026: Adopting AI in Orgs Edition

28 min

Beyond Rubber Ducking - Engineering in Times of AI (LLMs)

Carlos Fuentes

Auth0

We used to explain our bugs to rubber ducks. Now, the duck talks back, writes code, and occasionally lies to our faces.

LLMs are incredible tools. They can cure "blank screen syndrome," instantly write boilerplate, and explain weird legacy code. But treating them like senior engi...

productivity

Panel Discussion: Manager or Maker? The Leadership Identity Crisis

TechLead Conf London 2026: Adopting AI in Orgs Edition

32 min

Panel Discussion: Manager or Maker? The Leadership Identity Crisis

6 authors

future of development

Real-Time Observability and Control for Coding Agents

AI Coding Summit London

30 min

Real-Time Observability and Control for Coding Agents

Marius Hobbhahn

Apollo Research

Today's discussion covers challenges posed by AI models becoming more adept at deception, hidden AI thought processes, addressing coding agent security risks, the future of agent deployment and security, real-time monitoring and security policies, developer experience and automated systems, model behavior analysis and agency projection, product offering and developer risk reduction, futuristic concepts and developer risk management, data storage and risk severity management, deception in model behavior and user security, policy transparency and model adaptation, model failure monitoring and safety considerations.

observability

Taking a Dump: Using Heap Dumps to Find and Fix NodeJS Memory and CPU Problems

Web Engineering Summit 2026

22 min

Taking a Dump: Using Heap Dumps to Find and Fix NodeJS Memory and CPU Problems

Dan Shappir

Snyk

Dan Shapir introduces heap dumps to identify and fix Node.js memory and CPU issues. Memory leaks in JavaScript occur when objects are still reachable, impacting memory usage. Continuous memory rise from leaks can deplete memory and lead to CPU usage escalation. Detecting and resolving memory leaks promptly is crucial to prevent system unresponsiveness in production environments. Heap dumps and memory dumps help analyze memory issues, with Chrome DevTools aiding in finding memory leaks. Pinpointing memory leaks involves comparing heap snapshots and analyzing leaked objects. Alternative methods for generating heap snapshots include new experimental node flags, automatic triggers, and built-in APIs, offering benefits but posing risks such as potential crashes and security vulnerabilities.

performance

TypeScript Congress 2022

10 min

How to properly handle URL slug changes in Next.js

Top Content

Ondrej Polesny

Developer Evangelist @ Kontent.ai

This Talk explains how to handle URL slug changes in Next.js by using the getStaticPaths and getStaticProps methods. It covers implementing redirects and provides a solution to eliminate the need for editors to perform additional steps. The approach involves tracking URL slug changes and issuing proper redirects. The speaker encourages the audience to reach out with any questions or experiences with handling URL slugs.

typescript headless cms next.js slugify react

Composition vs Configuration: How to Build Flexible, Resilient and Future-proof Components

React Summit 2022

17 min

Composition vs Configuration: How to Build Flexible, Resilient and Future-proof Components

Top Content

Thomas Findlay

Findlay Web Tech

Today's Talk discusses building flexible, resilient, and future-proof React components using composition and configuration approaches. The composition approach allows for flexibility without excessive conditional logic by using multiple components and passing props. The context API can be used for variant styling, allowing for appropriate styling and class specification. Adding variants and icons is made easy by consuming the variant context. The composition and configuration approaches can be combined for the best of both worlds.

architecture react components component library react composition react fiber programming concepts

Yarn 4 - Modern Package Management

JSNation 2022

28 min

Yarn 4 - Modern Package Management

Top Content

Maël Nison

Lead maintainer of Yarn

Yarn is a package manager that focuses on stability, performance, and security. It offers unique features like plug and play installation, support for nonmodules, and the exec protocol. Yarn is committed to being a good citizen in the open-source community and contributes to fixing dependencies. It is part of the Node.js Loader's working group and advocates for Corepack. Yarn is still experimental but is improving its user experience and security features. Contributions are welcome, and switching to Yarn can improve performance in large projects.

javascript packaging

Introducing FlashList: Let's build a performant React Native list all together

React Advanced 2022

81 min

Introducing FlashList: Let's build a performant React Native list all together

Top Content

Featured Workshop

3 authors

In this workshop you’ll learn why we created FlashList at Shopify and how you can use it in your code today. We will show you how to take a list that is not performant in FlatList and make it performant using FlashList with minimum effort. We will use tools like Flipper, our own benchmarkin...

react react native react native flashlist

How React Compiler Performs on Real Code

React Advanced 2024

31 min

How React Compiler Performs on Real Code

Top Content

Nadia Makarevich

Coder, writer, author of Advanced React book

I'm Nadia, a developer experienced in performance, re-renders, and React. The React team released the React compiler, which eliminates the need for memoization. The compiler optimizes code by automatically memoizing components, props, and hook dependencies. It shows promise in managing changing references and improving performance. Real app testing and synthetic examples have been used to evaluate its effectiveness. The impact on initial load performance is minimal, but further investigation is needed for interactions performance. The React query library simplifies data fetching and caching. The compiler has limitations and may not catch every re-render, especially with external libraries. Enabling the compiler can improve performance but manual memorization is still necessary for optimal results. There are risks of overreliance and messy code, but the compiler can be used file by file or folder by folder with thorough testing. Practice makes incredible cats. Thank you, Nadia!

performance

Speeding Up Your React App With Less JavaScript

React Summit 2023

32 min

Speeding Up Your React App With Less JavaScript

Top Content

Miško Hevery

Qwik Creator

Mishko, the creator of Angular and AngularJS, discusses the challenges of website performance and JavaScript hydration. He explains the differences between client-side and server-side rendering and introduces Quik as a solution for efficient component hydration. Mishko demonstrates examples of state management and intercommunication using Quik. He highlights the performance benefits of using Quik with React and emphasizes the importance of reducing JavaScript size for better performance. Finally, he mentions the use of QUIC in both MPA and SPA applications for improved startup performance.

performance frameworks builders and founders react less qwik

Future Features of JS?!

JSNation 2022

28 min

Future Features of JS?!

Top Content

Hemanth HM

TC39 delegate and ECMA rep

Welcome to the future features of JavaScript, including proposals for array operations, throw expressions, records and TPUs, pipeline operators, and more. The talk covers the introduction of type assertions for imported files, non-mutating array operations, and the simplification of error handling. It also explores the concept of immutability with records and TPUs, and the use of the pipeline operator to simplify code. Other proposals include Map.implace, IteratorHelper, slice notation, type annotations, Array UNIQBY, number ranges, and the Function 1 proposal.

javascript tc39

Deno 2.0

Node Congress 2023

36 min

Deno 2.0

Top Content

Ryan Dahl

Node.js creator

The Talk discusses forced optimization with Node and Deno, with Deno aiming to pursue the same goals in a more expansive and modern way. Deno has built-in support for NPM and enforces security constraints. It also has a key-value database called Deno KV, which will be a core part of the Deno 2 API. Deno Deploy is a serverless Edge Functions platform powered by FoundationDB, optimized for fast reading and ideal for building eCommerce sites or application servers at the edge. Deno 2.0 is coming soon with more features under development.

deno builders and founders deno react preact edge functions

Making Multiplayer Games with Colyseus, Node.js and TypeScript

JS GameDev Summit 2022

31 min

Making Multiplayer Games with Colyseus, Node.js and TypeScript

Top Content

Endel Dreyer

Colyseus

Today's Talk covers making multiplayer games with Coliseus, Node.js, and Typescript. It explores the state of networking on the web, alternative servers, and how Coliseus works. The Talk also discusses client-side prediction, lag compensation, server limitations, scaling, and showcases cool games made with Coliseus. Additionally, it mentions Nakama and Unity integration for client-side prediction in multiplayer games. Coliseus is available on mobile and can be found on colossus.io or the GitHub repository.

game development case study game server

How to make amazing generative art with simple JavaScript code

JS GameDev Summit 2022

165 min

How to make amazing generative art with simple JavaScript code

Top Content

Workshop

Frank Force

Instead of manually drawing each image like traditional art, generative artists write programs that are capable of producing a variety of results. In this workshop you will learn how to create incredible generative art using only a web browser and text editor. Starting with basic concepts and bui...

webgl animations 3d

React

Hands-on React Server Components, Server Functions, and Forms in the Next.js App Router

React Summit US 2025

125 min

Hands-on React Server Components, Server Functions, and Forms in the Next.js App Router

Workshop

Aurora Scharff

In this workshop, we will explore React's latest features: Server Components, Server Functions, and forms. Discover how to optimize server-side rendering, build smooth user experiences with React Suspense and Transitions, and enhance application interactivity with Server Functions and new React 1...

react

Plug and Play Design: Building Extendable React Applications

React Summit US 2025

29 min

Plug and Play Design: Building Extendable React Applications

Mateusz Jagodziński

Workflow Builder

Mateusz Jagodziński, principal developer at Synergy Codes, shares insights on Plug and Play Design Building Extendable React Applications, discussing feature flags, modularity, and real-world use cases. Challenges of feature flags, the concept of alternative modular design for feature management, and the importance of modularity in code organization and development. Configurability and limitations in feature management, showcasing a plugin-based design for flexible tool versions and code manipulation. Explanation of plug and play design for code manipulation and version control with full type safety in TypeScript projects. Exposing functions to register new plugins, organizing plugins' logic within individual folders, and implementing a build setup with a replacement mechanism for plugin files. Replacing missing plugins with a fallback code, enforcing restriction on direct plugin imports, and visualizing the relationship between plugins, adapters, and application components. Exploring pros and cons of self-contained plugins, addressing implementation overhead, and discussing the value of enforced modularity for AI coding tools. Discussing plugin management decisions based on client needs and the scalability of the approach with changing requirements and minor tweaks. Handling plugin version tracking, automated testing challenges, and feature control based on environments. Adapters and maintaining plugin compatibility through iterations and cosmetic changes, leveraging existing solutions for simplicity. Discussing the implications of not shipping separate builds for multiple customers and considering the benefits of smaller bundle size. Exploring the ease of trying out new features with separate plugins to assess overhead and developer experience.

react

Suspenseful Component Composition

React Summit US 2025

12 min

Suspenseful Component Composition

Simeon Griggs

Sanity

Simeon Griggs discusses Suspenseful Component Composition, the use of fallback props, and the basics of suspense in React applications with a demo showcasing data fetching and layout shifting. Exploring issues with data fetching and suspense boundaries. Addressing the challenges of using suspense boundaries and data fetching for individual rows in React applications. Creating consistent fallback elements for smooth loading experiences in tables by aligning sizes and optimizing data fetching placement. Optimizing data fetching placement for smoother loading experiences. Consider exporting suspense boundary to enhance code cleanliness and be defensive against data fetching errors. Use error boundaries to handle errors in suspenseful data fetching components for a smoother user experience.

react

From Fiber to Async React

React Advanced 2026

29 min

From Fiber to Async React

Nonso Otoh

Konrad Group

Almost a decade ago, React’s rendering algorithm was rebuilt, and with that it brought about new tools, ideas, and ways of building UI. But those tools arrived incrementally and were adopted in isolation, often framed as “optimizations” rather than part of a unified model. So are they truly indep...

react performance

React Strict Dom: Cross-Platform React Based on the Web

React Summit US 2025

29 min

React Strict Dom: Cross-Platform React Based on the Web