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

AI Coding Summit Amsterdam 2027

May 20 - 24, 2027

TechLead Conf Amsterdam 2027: Adopting AI in Orgs

May 20, 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

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 advice does Dominik give for API design in open source libraries?

Dominik advises considering types from the beginning, taking time before adding features to avoid bloating the API, and ensuring that APIs are intuitive and flexible to meet diverse user needs.

Why is the new event loop important in React Native?

The new event loop is important because it enables synchronous updates and access to layout information, making React Native behave more like React DOM and improving performance by reducing UI flickers and inconsistencies.

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.

What is Redux Toolkit and how does it improve Redux usage?

Redux Toolkit is an official, opinionated, batteries-included toolset for efficient Redux development. It simplifies the process of setting up a Redux store, writing reducers, and includes RTK Query for data fetching, effectively solving many common issues and reducing boilerplate code.

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 is SvelteKit and how does it relate to Svelte?

SvelteKit is a companion project to Svelte, designed to solve broader application development problems such as setting up build tooling and defining routes, enhancing Svelte's capabilities.

Why is optimizing for users at the margins important?

Optimizing for users at the margins, who often use lower-end devices, can significantly improve engagement and business outcomes, as these users make up a large part of the market.

What is the main goal of Transformers JS?

The main goal of Transformers JS is to bring state-of-the-art pre-trained models directly to the web and browsers, allowing easy integration of machine learning functionality into web applications.

What is the significance of the North Star in Rich Harris's philosophy?

The North Star symbolizes the guiding principle or mission for Svelte and its developers, representing the goal of making better software and contributing positively to the web's future.

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

26 min

Agentic Engineering for React Teams: Give Your Coding Agent a Map

Bart Waardenburg

Fallow Maintainer & Freelance Tech Lead, Netherlands

AI can generate a React component in seconds. The hard part is changing a real React or Next.js codebase safely: knowing what is dead, where logic is duplicated, which boundaries a refactor crosses, and how a change affects the component graph or design system.Coding agents infer this from...

tooling

The Meta-Harness: Scaling Agentic Development Beyond the CLI

React Advanced 2026

21 min

The Meta-Harness: Scaling Agentic Development Beyond the CLI

Max Kless

Nx/Polygraph

Agentic development feels like magic to some teams and overhyped to others. Harnesses like Claude Code or Codex have been built around the local loop, the way things have always been done: a single developer changing code before opening a PR. Inside real organizations, agents hit walls: re...

artificial intelligence

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

The Internals of compile-time CSS-in-JS

React Advanced 2026

16 min

The Internals of compile-time CSS-in-JS

Luca Schneider

Digitec Galaxus AG

Styled-components lost against Tailwind, partly due to better performance while trading it for a unique API. Can’t you have both, a fast runtime and a familiar API?We replaced styled-components with a build-time compiler in next-yak without changing a single line of user code and saw surpr...

css css-in-js

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

How to Use Suspense and GraphQL with Apollo to Build Great User Experiences

React Summit US 2023

27 min

How to Use Suspense and GraphQL with Apollo to Build Great User Experiences

2 authors

Today's Talk is about using suspense and GraphQL with Apollo Client to create smooth user experiences. The Talk covers the introduction and power of suspense, the new Used Suspense Query hook in Apollo Client, updating components with suspense, using suspense boundaries and tradeoffs, optimizing playlist fetching with GraphQL, loading more tracks and using transitions, and concluding remarks and future developments.

graphql react query suspense react suspense

The Last Software Engineer

AI Coding Summit London

21 min

The Last Software Engineer

Kent C. Dodds

Creator of EpicWeb.dev, EpicReact.Dev, TestingJavaScript.com

Kent C. Dodds introduces the concept of durable skills and the importance of physical movement. AI evolution involves fine-tuning, prompt engineering, and uncertainties. Reflecting on the future role of AI in work and the evolving technology landscape. Insights on product engineering emphasize judgment, hitting targets, and prioritizing target selection. The importance of user-centric product engineering, intentional decisions, and adapting skills in the agentic coding world are highlighted.

future of development

Dead Code Shouldn’t Exist: How We Removed 28k Lines of Code, One Knip at a Time

JSNation 2026

35 min

Dead Code Shouldn’t Exist: How We Removed 28k Lines of Code, One Knip at a Time

Dominik Dorfmeister

React-Query maintainer

The talk focuses on how Sentry enables efficient shipping by building a design system with consistent components and setting coding constraints. TypeScript helps in understanding code impact and maintaining code hygiene. KNIP tool aids in detecting and removing unused code efficiently. Continuous code cleanup is facilitated by KNIP, enhancing code maintenance. KNIP helps in optimizing code utilization, handling challenges, and automating code review. Extending KNIP analysis, cross-file analysis with TypeScript and ESLint, false negatives in KNIB configuration, and tree shaking impact of bundlers are discussed.

code quality

Efficient Data Visualisation with React and SVG

React Summit 2025

27 min

Efficient Data Visualisation with React and SVG

Ido Moshe

AG Grid

Ido, a full stack developer, discusses the benefits of building data visualization components from scratch using React, SVG, and minimal D3. Understanding basic SVG shapes, group elements, and SVG's declarative nature. Exploring SVG's compatibility with CSS, DOM events, and browser features. Highlighting pitfalls in integrating D3 with React and separating data transformation utilities. Utilizing D3 libraries for data manipulation and creating Sparkline components. Enhancing components with markers, CSS styling, interactivity, transitions, and pie charts. Utilizing CSS for animations in data visualization and gauge visualization with needle animation. Defining SVG components, interactions, and considerations for DIY vs. library integration. Exploring D3 axis, AG charts, and time-based animation.

svg

Controlling Async Chaos in React with Effect-TS

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

Featured

Build LLM agents in TypeScript with Mastra and Vercel AI SDK

React Advanced 2025

145 min

Build LLM agents in TypeScript with Mastra and Vercel AI SDK

Featured WorkshopFree

Eric Burel

LLMs are not just fancy search engines: they lay the ground for building autonomous and intelligent pieces of software, aka agents.
Companies are investing massively in generative AI infrastructures. To get their money's worth, they need developers that can make the best out of an LLM, and t...

typescript artificial intelligence

Exploring Server Side Rendering

React Advanced 2025

179 min

Exploring Server Side Rendering

Featured Workshop

Krasimir Tsonev

Server-side rendering (SSR) is back in the spotlight – and React is evolving fast. In this workshop, we’ll go deep into the mechanics, performance trade-offs, and modern techniques of SSR with React.js. You'll start by building an SSR app from scratch – no frameworks, just raw renderToString and...

ssr react server components

The React Developer's Guide to AI Engineering

React Summit US 2025

96 min

The React Developer's Guide to AI Engineering

Featured WorkshopFree

Niall Maher

A comprehensive workshop designed specifically for React developers ready to become AI engineers. Learn how your existing React skills—component thinking, state management, effect handling, and performance optimization—directly translate to building sophisticated AI applications. We'll cover the...

artificial intelligence

Why Node.js Needs an Application Server

Node Congress 2026

18 min

Why Node.js Needs an Application Server

Matteo Collina

Node.js TSC committee member. Pino & Fastify author.

Matteo Collina discusses Node.js, its single-threaded design, and the introduction of threads in 2018 for parallelism and CPU utilization. Node.js production monitoring focuses on application health, fault tolerance, and event loop efficiency. VAT architecture improves Node.js applications with thread migration and monitoring. Node.js manages threads and failures independently with Prometheus monitoring. Scalability in Node.js involves Kubernetes clusters and in-process scaling. Next.js with React SSR for Node.js applications enables dynamic scaling and performance. Node.js handles CPU blocking and SSR performance by utilizing multiple threads.

architecture node.js

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

Rethinking Bundling: Why You Don’t Need Less JavaScript

JSNation US 2025

30 min

Rethinking Bundling: Why You Don’t Need Less JavaScript

Daniel Roe

Leads the Nuxt core team

The speaker, Daniel, shares insights on his role as an open source maintainer, projects Nuxt and Nitro, and living in Edinburgh. Nuxt, a full-stack framework, evolved with community support, emphasizing community-driven development. Optimization strategies for JavaScript, CSS, and font loading in Nuxt were discussed. Integration of Nuxt Scripts for web performance, challenges in meta framework development, and considerations for Nuxt V3 rewrite were highlighted. Future plans include smoother migrations and open-source access to emoji slides integration.

bundler

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

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

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 next.js performance frontend react server components server cache

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

Short takes

MCPs: How to Avoid Security Pitfalls

AI Coding Summit 2026

7 min

MCPs: How to Avoid Security Pitfalls

Gil Friedman

Backslash Security

Gil Friedman from Backslash Security discussed MCP security, focusing on the Model Context Protocol and AI assistant security risks like GitHub token exposure in auto run mode. Security measures for MCP usage include setting autorun to ask every time, postmarking MCP incidents, handling malicious servers, safeguarding sensitive information, reviewing and disabling unused tools, requiring permission before triggering actions, removing MCP from environments, and revoking API keys when necessary.

security

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

Backend-for-Frontend Auth: The Secure JS App Architecture

JSNation US 2025

6 min

Backend-for-Frontend Auth: The Secure JS App Architecture

Kim Maida

FusionAuth

Challenges in OAuth, importance of back end security for front end, and implementation details of OAuth flow between front end, back end, and authorization server. Detailed process of token handling, session management, and user data retrieval in OAuth implementation between front end, back end, and authorization server.

authentication security

Garbage Collection Between V8, cppgc (Oilpan), and Native Runtimes

Node Congress 2026

9 min

Garbage Collection Between V8, cppgc (Oilpan), and Native Runtimes

Mert Can Altin

Node.js Core Contributor Trendyol - Software Engineer Turkey

Today's presentation delves into garbage collection challenges in JavaScript and native code, highlighting the impact on memory leaks and bugs. V8's implementation of minor and major garbage collection is discussed. The evolution of memory management in runtimes, including Node.js and Deno, is explored, emphasizing the shift towards automatic cleanup and improved performance. The complexity of runtime memory management, especially in handling CPP objects and bridging with workers, is outlined. Key points include the efficiency gains from generational garbage collection and the importance of migrating away from certain memory management practices for enhanced runtime performance.

performance

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

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

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

Shipping AI Under Constraints: Build, Buy, or Kill

TechLead Conf London 2025: Adopting AI in Orgs Edition

8 min

Shipping AI Under Constraints: Build, Buy, or Kill

Dave Glencross

Capital on Tap

Dave, Engineering Manager at Capital Untap, shares a story of AI failure and lessons learned from moving too fast in AI development within the company. The AI team focused on developing a chatbot for customer service, which became a flagship initiative under engineering governance. Issues with accuracy and complexity led to pausing the chatbot project and exploring third-party vendors. Capital OnTap reset AI processes by integrating AI engineers into product teams, emphasizing standard engineering over specialized AI teams.

deep dive

Deploy Your AI Code in Minutes

AI Coding Summit 2026

7 min

Deploy Your AI Code in Minutes

Shifra Williams

Render

Shifra guides the migration of a Repl.it app to Render with emphasis on simplicity and mock data. Ensure Render deployment requirements are met, including specifying root directory, build and start commands, and correct port. Configure GitHub repository setup, connect to Git, and create a repository. Confirm code in the repository and deploy on Render, showcasing a sample landing page.

artificial intelligence

Optimizing the Path From Design to Production in Engineering Workflows

React Summit US 2025

7 min

Optimizing the Path From Design to Production in Engineering Workflows

Akbar Mirza

Figma

Akbar, developer advocate at Figma, highlights the importance of exploration, representation, and production in product development. Figma leverages design systems and AI tools for efficient transition from representation to production, optimizing expertise and automating non-critical tasks. Seamless integration between design elements and the app is achieved through tools like Code Connect and Copilot, fostering collaboration between design and code.

design

Latest

Self-Healing UI: Beautiful Idea, Brutal Data

React Advanced 2026

23 min

Self-Healing UI: Beautiful Idea, Brutal Data

Rohit Singh

Mentorship available

Tria (Prev Threely)

This talk is about an experiment I wanted to try and carried out. I wondered what if we gave React components self-healing properties? What if instead of developers checking Sentry for crashes and then fixing and sending it to prod, the component fixes the crash on its own at runtime? In this tal...

observability

Beyond Vibe Coding: An AI Builder’s Guide to Migrating 10k+ React Components

React Advanced 2026

22 min

Beyond Vibe Coding: An AI Builder’s Guide to Migrating 10k+ React Components

Shubham Chaurasia

Top Content

Anjana Vakil

Independent Developer Educator & Software Engineer

This Talk is about interactive data visualization in React using the Plot library. Plot is a high-level library that simplifies the process of visualizing data by providing key concepts and defaults for layout decisions. It can be integrated with React using hooks like useRef and useEffect. Plot allows for customization and supports features like sorting and adding additional marks. The Talk also discusses accessibility concerns, SSR support, and compares Plot to other libraries like D3 and Vega-Lite.

graphs in react react dataviz d3

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.

react components architecture component library react composition react fiber programming concepts

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

From Blender to the Web - the Journey of a 3D Model

React Advanced 2021

27 min

From Blender to the Web - the Journey of a 3D Model

Top Content

Sara Vieira

Orama

This Talk is about Blender, a free and open-source 3D software, and integrating 3D models into websites. The speaker discusses exporting 3D models to the web using the gltf format and compressing them using gltf transform and draco compression. They also cover integrating the 3D model into a website using React and React 3 fiber, troubleshooting installation and error issues, and working with refs and frames. The Talk explores rendering, lighting, mathematics, and experimentation in 3D, as well as interaction and rendering effects. The speaker also mentions their favorite creation in Blender.

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

Let’s Talk about Re-renders

React Summit 2022

23 min

Let’s Talk about Re-renders

Top Content

Nadia Makarevich

Coder, writer, author of Advanced React book

This Talk discusses React performance and how re-renders can affect it. It highlights common mistakes and misconceptions, such as the overuse of useMemo and useCallback hooks. The importance of React.memo in preventing unnecessary child component re-renders is emphasized. Creating components in render functions is identified as a major performance killer, and the benefits of moving state down and wrapping state around children are explained. The Talk also covers optimizing component rendering through memoization and provides a recap of the key points.

react performance react 18 concurrent rendering deep dive

Routing in React 18 and Beyond

React Summit 2022

20 min

Routing in React 18 and Beyond

Top Content

Delba de Oliveira

Senior Developer Advocate @ Vercel

Routing in React 18 brings a native app-like user experience and allows applications to transition between different environments. React Router and Next.js have different approaches to routing, with React Router using component-based routing and Next.js using file system-based routing. React server components provide the primitives to address the disadvantages of multipage applications while maintaining the same user experience. Improving navigation and routing in React involves including loading UI, pre-rendering parts of the screen, and using server components for more performant experiences. Next.js and Remix are moving towards a converging solution by combining component-based routing with file system routing.

react next.js patterns react file based routing

Effective Performance Testing to your Server with Autocannon

TestJS Summit 2021

36 min

Effective Performance Testing to your Server with Autocannon

Top Content

Tamar Twena-Stern

XM Cyber

Tamar is an experienced code writer and architect with expertise in Node.js. Performance testing can be confusing, but understanding terms like throughput and the 99th percentile is crucial. The 99th percentile is important for making commitments and ensuring customer satisfaction. AutoCanon is a powerful tool for simulating requests and analyzing server performance. It can be installed globally or used as a library in Node.js. Autocannon is preferred over Gatling for performance testing and can be integrated with end-to-end tests in Cypress.

performance testing automation

Impact: Growing as an Engineer

React Summit 2022

26 min

Impact: Growing as an Engineer

Top Content

Titian-Cornel Cernicova-Dragomir

Software Developer at Bloomberg

This talk discusses the performance issues in TypeScript builds and introduces a new feature called isolated declarations. By running the compiler in parallel and using isolated modules, significant performance gains can be achieved. Isolated declarations improve build speed, compatibility with other tools, and require developers to write types in code. This feature has the potential to further increase performance and may be available in TypeScript soon.

typescript

React

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

Nicolas Gallagher

Meta

Talk on cross-platform React using ReactStrict DOM to unify web and native React, standardizing for consistent UI development. Fragmentation challenges in React due to lack of standardized styling systems, impacting development efficiency and product consistency. Exploring unsuccessful cross-platform React approaches and the importance of minimizing migration costs. Enabling web developers to build native apps with React Native while enhancing it with web APIs for seamless code migration. Benefits of code sharing for cross-platform apps, AI integration for React Strict DOM, and the future vision for React Native as a web renderer. Unified styling in React Native, Tailwind integration, and UI best practices. Flexibility and readiness in React DOM, potential inclusion in React Foundations, and considerations for reversibility of decisions in React DOM.

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

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

React Beyond the DOM

React Summit US 2025

27 min

React Beyond the DOM

Erik Rasmussen

Eric Rasmussen discusses React beyond the DOM, React PDF, Ink tools, and rendering to Markdown. The overview includes React Reconciler, host configuration, state management with real-world entities like light bulbs, and building a traffic light state machine visually. The talk also covers securing third-party JavaScript, expanding React rendering possibilities, advanced tooling for state machines, controlling light bulbs via renderer callbacks, server functions for fetch in the cloud, and potential robot programming with React.

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

Lessons From Adopting React Compiler

React Summit US 2025

23 min

Lessons From Adopting React Compiler

Akash Hamirwasia

ElevenLabs

Akash Hamilwasia presenting at React Summit 2025, shares React Compiler learnings and works on an AI audio platform. Memoization in React helps optimize UI performance by preventing unnecessary re-renders. React Compiler offers automatic memoization through static code analysis. React rules emphasize purity and immutability. The compiler analyzes and memoizes code changes for optimization. React Compiler package usage improves performance through code analysis. Understanding reactivity issues is crucial for handling React state. Compiler optimization requires correct dependency arrays and usage of external libraries. Measure React Compiler impact using React Profiler for optimization and real user impact analysis.

react advanced performance react 19

Free workshops

Personalisation Without the Price Tag - Local LLMs for JavaScript Developers

JSNation 2026

108 min

Personalisation Without the Price Tag - Local LLMs for JavaScript Developers

WorkshopFree

Jo Franchetti

LLMs are powerful but unpredictable and most tutorials skip the part where you actually have to deal with that in production code. This workshop teaches you to use generative AI as an engineering tool: how to structure prompts around schemas, validate and repair non-deterministic output, and run...

artificial intelligence

Pear: Releasing Production P2P Apps

JSNation 2026

54 min

Pear: Releasing Production P2P Apps

WorkshopFree

2 authors

All it takes is a module and a CLI tool to build and deploy production peer-to-peer applications. In this workshop:Build a realtime peer-to-peer applicationConnect with others on your own application, completely peer-to-peer.Understand how to deploy, including produc...

Building Model Context Protocol (MCP) Tools for AI Agents with Cloudflare Workers

Node Congress 2026

73 min

Building Model Context Protocol (MCP) Tools for AI Agents with Cloudflare Workers

WorkshopFree

Confidence Okoghenun

In this hands on workshop participants will learn how to create a production‑ready Model Context Protocol (MCP) server on Cloudflare Workers. The session covers defining tool endpoints, integrating external APIs, persisting state with KV storage, and globally deploying the server so AI assistants...

artificial intelligence

Building with Gemini: AI Studio, Antigravity, and Google DeepMind's Latest Models

AI Coding Summit 2026

34 min

Building with Gemini: AI Studio, Antigravity, and Google DeepMind's Latest Models

WorkshopFree

Paige Bailey

In this hands-on session, we'll dive straight into the practical mechanics of working with Google DeepMind’s latest research and models. We'll explore Google AI Studio, Antigravity, and the Gemini APIs, focusing on how to seamlessly integrate these capabilities into your own projects. If you're l...

best practices

"Hello World" on OpenShift AI: Training Your First Neural Network

AI Coding Summit 2026

53 min

"Hello World" on OpenShift AI: Training Your First Neural Network

WorkshopFree

2 authors

Join us for an interactive workshop where you'll train your first neural network using the classic MNIST handwritten digit dataset. In this hands-on session, participants will use OpenShift AI 3.x Workbenches to build and train a PyTorch model that recognizes handwritten digits from images.

artificial intelligence

Hands-On Guide to Secure AI-Driven Coding

AI Coding Summit 2026

52 min

Hands-On Guide to Secure AI-Driven Coding

WorkshopFree

Gil Friedman

Modern AI coding agents don’t just autocomplete. They execute, connect, and automate. With the wrong settings, they can access more of your system than you intended. In this session, I’ll demonstrate how agent autonomy, MCP integrations, and Skills can lead to unexpected security risks. Through e...

artificial intelligence best practices

Ship a Production Voice Agent: A Hands-on Workshop

AI Coding Summit 2026

49 min

Ship a Production Voice Agent: A Hands-on Workshop

WorkshopFree

Shifra Williams

Ready to bring conversational AI to life? In this hands-on workshop, we'll walk through deploying a real-time voice agent using Render's cloud platform. You'll work directly with LiveKit's voice agent template to create an interactive AI assistant that can listen, think, and respond naturally thr...

web apps

Build Your Dream Extensions with AI

AI Coding Summit 2026

87 min

Build Your Dream Extensions with AI

WorkshopFree

Brittany Joiner

In this interactive workshop, you’ll build a working internal browser extension you and your team can use to share context across apps you use daily. We’ll start with a practical, real-world example: a web clipper that you’ll customize to send content from GitHub to your team’s communication tool...

artificial intelligence

Using Sandboxes to Safely Execute Untrusted or Dynamic Code

AI Coding Summit 2026

76 min

Using Sandboxes to Safely Execute Untrusted or Dynamic Code

WorkshopFree

Craig Dennis

This workshop introduces Sandboxes as a general computing primitive and uses Cloudflare Sandboxes as the concrete implementation. Participants explore common, real-world use cases for sandboxed execution and learn how to reason about when and why sandboxes are the right tool.

The works...

case study

Building AI workflow editor UI in React with Workflow Builder SDK

React Summit US 2025

141 min

Building AI workflow editor UI in React with Workflow Builder SDK

WorkshopFree

Łukasz Jaźwa

Join us to learn how to build your own Zapier-like interface in days, not months. Discover how to save 1,000+ hours of design and coding upfront, building a complex workflow editor UI from scratch. Customize it for AI orchestration, automations, business processes visualization and other real-wor...

artificial intelligence UX UI