The main JavaScript conference
Save the date: May 20 (hybrid in Amsterdam) &
May 24 (remote), 2027
-
50+ speakers,
shaping the nation`s future -
1500 attendees,
sharing common language -
10K folks,
joining remotely
Understand the latest trends in Web development. See what 10k+ engineers are up to. Meet those who shape the present and the future of the prospering nation.
Supported by
Amsterdam
Happening on the same day in Amsterdam:
Tech Lead Conf - a conference for hands-on engineering leaders.
– Cambridge Dictionary
Nation — a large group of people who share the same language, traditions, and history
JSNation is a 2-day 2-track event focusing on full-stack engineering. Discover the future of the Web development ecosystem and get connected to its stellar crowd!
— JSNation & React Summit were two of the best organized events I have ever come across. The attention to detail, quality of curation and how memorable you made it for attendees and speakers was great. Thanks for a terrific show!
This year, authors, core teams, and community experts will share their insights on:
Want to know the rest? Follow us
Pro & Free Workshops
Workshops will be held before & after conference days.
In-person Workshop day
Join 2 x 4-hour in-person PRO workshops in Amsterdam.
The number of seats is limited, so hurry up to reserve a spot.
Pre-event
Conference Hybrid Day
Join us in Amsterdam or watch online. There will be lots of hybrid networking and inclusive interactivity.
In-person Afterparty
Join the biggest JS party worldwide at 19:00-23:00 CEST!
Hangout Day
Experience Amsterdam with new friends during our boat and walking tours.
Conference Remote Day
Streaming of both tracks, speaker QnA's, discussion rooms!
Deep Dives
Full-Stack Development & Architecture
Following increasing demand for Full-stack Software Engineering, we'll dive deep into modern practices applicable to JS and Web Developers Architecture, Data, Security, DevOps of AI and Full-stack devs.
To be covered in:
AI Assisted Coding
Learn how to navigate rapidly evolving evolution of AI developer tooling. See how teams supercharge code reviews, code analysis and observability; learn how to “babysit“ background agents and 10X your output.
To be covered in:
AI Engineering
What skills are needed to implement AI strategies and succeed as a developer in the AI era?
To be covered in:
Growing to Senior & TechLead
Master the essential hard and soft skills needed to grow from a Software Engineer into a Tech Lead or Staff Engineer. Learn directly from distinguished engineers how to accelerate your career.
To be covered in:
Line-up
Agentic Interfaces: Tools, Skills, Generative UI and Web MCP Wes Bos
The State of AI for Web Development Sacha Greif
Chunking Tobias Koppers
Templates and Components for Claude Code: The Future of AI Coding Workflows Daniel Ávila
Advanced Claude Code — Production Workflows, Subagents, and Autonomous Execution Aleksei Petrov
MCP Apps – the Next Web Liad Yosef
FullStack Monitoring with Open Telemetry: End-to-End Observability for Modern Applications Erick Wendel
Designing a Migration to Micro-Frontends Luca Mezzalira
Building a JavaScript Engine in Rust: Lessons From Boa Jason Williams
Life of an ESM in Node.js – and How It's Changing for the Better Joyee Cheung
Autonomous AI Agents in Action With the Ralph Wiggum Method Eddy Vinck
Orchestrating Content Workflows at Netflix Scale Pratyusha Singaraju
Simpler Desktop Apps With Deno Leo Kettmeir
Click. Ship. Done. AI Agents on Cloudflare Jan Peer Stöcklmair
HTML in Canvas: Bridging UI and GPU on the Web Santiago Colombatto
find more speakers & talks below
Speakers 2026
Wes Bos
Syntax.fm, Canada
Full Stack Developer, Speaker & Teacher, Co-host of Syntax.fm podcast.
Daniel Ávila
Hedgineer, USA
Claude Code Templates Creator, AI Tech Lead at Hedgineer.
Aleksei Petrov
QuantFlow Studio, Montenegro
Aleksei Petrov is a CTO and the co-founder of QuantFlow Studio. Anthropic Claude Community Ambassador. Uses Claude Code daily to ship production software. Author of Pilot – a top rated open-source autonomous coding agent. Navigator, a Claude Code plugin for context engineering. Based in Podgorica, Montenegro.
Liad Yosef
MCP Apps, Israel
Liad Yosef is a seasoned AI lead and software architect. He is the co-builder of MCP-UI, the co-author and maintainer of MCP Apps on the MCP Steering Committee, and a co-creator of GitMCP. Previously AI Lead in Shopify's CEO office, leading agentic interfaces, and currently the co-founder and CTO building the future of human-agentic interfaces at Era Labs. Liad is a web enthusiast two decades, passionate about crafting developer-first experiences. When he isn't defining open-source standards for the agentic web, he writes poetry and moonlights as an analog astronaut for the European Space Agency.
Luca Mezzalira
Author of Building Micro-Frontends book, UK
Author of Front-End Reactive Architectures and Building Micro-Frontends
Jason Williams
Bloomberg LP, UK
Jason Williams is a Senior Software Engineer at Bloomberg LP in London, UK, focusing on performance. His work in performance includes collaborating with the W3C Web Performance Working Group to bring Container Timing to the web, a more accurate improvement over Largest Contentful Paint. He has also collaborated on V8 improvements, bringing heat snapshot times down from 10 minutes to 6 seconds.
In the open-source community, he is the original author and developer of Boa, an open-source JavaScript engine written in Rust.
He is heavily involved in the evolution of ECMAScript, serving as an author on the Stage 4 proposal for Promise.allSettled, which ensures all promises settle before returning results. He is also a champion for the Stage 3 Temporal proposal (for which Boa’s temporal_rs the implementation used in Chrome), which aims to provide standard objects and functions for working with dates and times in ECMAScript.
Eddy Vinck
FrontValue, Netherlands
Eddy is a passionate Software Engineer with 8+ years of experience with a focus on front-end web development, but also expanding in backend, mobile development, and DevOps. Eddy works as a consultant at FrontValue, and he works on SaaS projects on the side.
Pratyusha Singaraju
Netflix, USA
Pratyusha Singaraju is a Senior Software Engineer at Netflix Inc., where she architects and builds sophisticated backend services that power the content understanding infrastructure behind Netflix's search, collections, and ratings systems. Her work directly impacts how millions of users discover and engage with content across the platform. Prior to Netflix, Pratyusha was part of Microsoft's data team for Bing, where she worked on knowledge graph initiatives spanning diverse public domains, including food, nutrition, politics, events, and building an enterprise knowledge graph.
Leo Kettmeir
Deno, Netherlands
I am a software engineer at Deno who works on developer experience, implementing web APIs, improving auto-generated documentation, and more. When I am not programming, I tinker with 3D printers & fly drones.
Jan Peer Stöcklmair
Sentry, Austria
Open-source contributor. JS fanatic. I love optimizing workflows.
Santiago Colombatto
basement.studio, Argentina
I’m a frontend developer with a growing focus on creative development. I work with Next.js, Three.JS, with a strong interest in performance and in exploring how traditional UI and graphics can coexist. Currently at basement.studio.
Tomas Ferreras
basement.studio, Argentina
Developer at basement.studio specializing in React, Three.JS and WebXR. I’m currently focused on pushing the boundaries of the web with shaders and bridging the gap between AI and spatial computing. When I’m not fine-tuning code, I’m experimenting with the future of open-source graphics.
Alem Tuzlak
Code Forge, Bosnia and Herzegovina
Maintainer @ TanStack. Working on TanStack AI & TanStack Devtools.
Eddie Jaoude
PayPal, UK
Eddie is a Fullstack developer with more than 15 years of experience, and has worked with UK Government institutions and banks, global fintechs and startups. In the last 6 years he has focused on creating technical content on Javascript/Typescript, databases, DevOps, testing and AI.
Liang Gong
Meta, USA
Liang Gong works at Meta on building and optimizing web and developer infrastructure, with a focus on improving performance, memory efficiency, reliability, and user engagement. He is the creator of the open-source project MemLab and holds a Ph.D. in computer science from UC Berkeley, where his research was in the area of programming languages, software engineering, and JavaScript program analysis.
Maurice de Beijer
Independent Software Consultant and Trainer, Netherlands
Maurice de Beijer is an independent software consultant and trainer. He specializes in TypeScript, ECMAScript, React and Svelte. His work includes popular collaboration software as well as a large, global, safety application for the oil and gas industry. He has a preference for working with startups and smaller, more dynamic companies. Maurice is also active in the open source community. He teaches ECMAScript, TypeScript, React, Cypress, Playwright and RxJS courses. Since 2005, he has received Microsoft’s Yearly Most Valuable Professional Award. Further, Maurice is active in the Dutch dotNed user group and helps organize its meetings.
Alex Korzhikov
Instructor, Mentor, Netherlands
My primary interest is self development and craftsmanship. I enjoy exploring technologies, coding open source and enterprise projects, teaching, speaking and writing about programming - JavaScript, Node.js, TypeScript, Go, Java, Docker, Kubernetes, JSON Schema, DevOps, Web Components, Algorithms 👋 ⚽️ 🧑💻 🎧
Pavlik Kiselev
ING, Netherlands
JavaScript developer with full-stack experience and frontend passion. Interests: web components, AI, rowing, improv theatre
Anna Henningsen
MongoDB, Germany
Now part of the MongoDB Database Experience team, Anna has previously been one of the most active contributors to Node.js core. She is fueled by a passion for Node.js and its community, and loves sharing what she learns both during and outside of working hours.
Dan Shappir
Snyk, Israel
Dan Shappir is Staff Engineer and Engineering Manager at Snyk. Previously he was Performance Tech Lead at Wix and at NEXT Insurance. Dan has 30 years of software development experience, and has worked on systems ranging from multiuser games to designing and building large scale Web applications. He is an international keynote speaker at technical conferences, a host on the popular JavaScript Jabber podcast, and an Invited Expert on the W3C Web Performance Working Group. Dan holds an MSc in Computer Science.
Julian Burr
Sonar, Brisbane, Australia
Senior Developer from Germany with over 15 years of experience building web apps and leading frontend teams, currently living and working down under in Australia. Pragmatic perfectionist, always looking for opportunities to learn and grow.
Misha Kazakov
Netflix, Poland
Frontend Engineer at Netflix, where he builds internal products that support the lifecycle of movies and TV series - from planning and production to launch and promotion.
With 7 years of experience in software engineering and a background in aerospace engineering, he is passionate about developer productivity, product-minded engineering, and practical applications of GenAI.
Dominik Dorfmeister
Sentry, Austria
Dominik is a Frontend Engineer, React-Query maintainer working at Sentry, who blogs about all things React and TypeScript (https://tkdodo.eu/blog/).
Paolo Ricciuti
Mainmatter, Italy
Svelte Ambassador and Maintainer, sometimes called a mad scientist because of weird Javascript experiments that it does. It's one of the co-creator of Sveltelab and generally a huge nerd. Works as a SSE at Mainmatter.
Viola Lykova
nuclecode, UK
Viola is a senior software engineer with over eight years of experience, focused on production reliability and security for modern web applications. She works across frontend, backend, and delivery pipelines, with a particular focus on authentication, observability, and testing strategies that prevent incidents. She is a Cypress Ambassador, speaks regularly at community events, and runs weekly workshops for engineers contributing to open-source projects.
Noah Yamamoto
Meta, UK
I'm a frontend developer currently @ Meta. I love making cool things on the web with a focus on performant, satisfying UX. Recently moved to London to build a brand new AI-powered design system for WhatsApp.
Sylwia Laskowska
Atos, Poland
Software Engineer, technical blogger, and speaker with over a decade of experience building modern web applications. Experienced in greenfield development, legacy modernization, and performance optimization. Passionate about JavaScript, modern web technologies, and sharing practical knowledge with the developer community.
Erik Hanchett
AWS, USA
Hey! 👋 I'm Erik Hanchett, published author of Vue.js in Action (Manning) and the Ember.js Cookbook. For over a decade I've taught hundreds of thousands of developers how to ship better code, building Program With Erik into a 100,000+ subscriber YouTube channel along the way. I've keynoted frontend talks on stages across the globe, and I now bring that expertise to millions of builders as a Senior Developer Advocate at AWS.
Kristiyan Velkov
Zerops.io, Bulgaria
Tech Lead • Front-End Advocate • Mentor & Educator • Tech Blogger • Published Author • 100+ IT Certifications • 30K+ Followers • Docker Captain • Cursor Ambassador • Expert in React.js, Next.js, Angular, DevOps, Web Accessibility & Security
Kristiyan Velkov is a seasoned software developer and technical leader with more than 10 + years of expertise in JavaScript and open-source development. His comprehensive skill set includes: JavaScript, TypeScript, React.js, Angular, Vue.js, Next.js,DevOps,Web accessibility,Security and DevOps. A lifelong learner, Kristiyan has earned over 100 IT certifications. With experience at some of the world’s leading IT organizations, Kristiyan thrives as a technical lead, driving innovative projects and mentoring teams to achieve growth and excellence. His thought leadership has garnered a significant following:
- 30,000 LinkedIn connections
- 7,000 Medium subscribers
- 100,000+ monthly readers
- 4 IT books.
Karthick Shanmugam
Sixt SE, Germany, Munich
I'm Karthick, a Staff Web Platform Developer at SIXT, currently focused on making AI coding agents safe and productive inside large React codebases — without letting them erode the architecture boundaries that make them work. Beyond AI, I spend my time building JavaScript platforms, refining workspace-driven architectures, and designing the infrastructure layers that tie everything together. From Nx/pnpm monorepos to multi-instance microfrontends, I focus on the patterns, boundaries, and shared capabilities that help application teams scale without friction. I love diving into how large JS systems behave in the real world and sharing practical lessons that simplify them.
César Alberca
Freelance Frontend Architect, Spain
Freelance Frontend Architect | Helping You Build Scalable, AI-Ready, Frontend Architecture. Digital nomad from Spain. As a Freelance Frontend Architect, I design and build robust, maintainable applications using React, Angular and Vue—with a strong focus on architecture, testing, and software craftsmanship. I specialize in DDD, Hexagonal Architecture, and Modular Design Systems.
International speaker and Codemotion committee member and ambassador, and a published book author, I’m passionate about empowering teams and sharing knowledge through talks, workshops, and open-source contributions. For me, code is not just a tool—it’s a craft.
Ulrich-Matthias Schäfer
Freelancer & Consultant, Germany
svg.js maintainer, member of the e18e community
Wendy Erdheim-Poch
Elementor, Israel
Wendy Erdheim-Poch is a QA Automation Engineer at Elementor with over nine years of experience in JavaScript testing and automation. She helps development teams build confidence in their code by making quality a natural part of the workflow. She’s passionate about pushing buttons, breaking things, and making sure everything works the way it should. Outside of tech, she’s a swim teacher, mom of two, and enjoys camping and creative projects.
Oleh Koren
Provectus, Ukraine
Performance testing specialist with 7 years of experience delivering reliable and scalable applications. I design and implement performance testing strategies from scratch, identify bottlenecks, and provide actionable insights that improve system stability and user experience.
Skilled in JMeter, BlazeMeter, Grafana, InfluxDB, Jenkins/TeamCity, and cloud environments (AWS, Azure). Experienced with monitoring and observability tools like Kibana, Telegraf, and Zabbix, enabling proactive issue detection and performance optimization.
I help teams ensure their applications handle real-world traffic efficiently, reduce downtime, and meet business performance goals.
Sohan Maheshwar
AuthZed, Netherlands
Sohan is a Lead Developer Advocate at AuthZed, based in the Netherlands. He started his career as a developer building mobile apps and has been living in the cloud since 2013, in companies such as Amazon, Fermyon and Gupshup. He is also an O' Reilly author, and an Agentic AI Foundation Ambassador.
He has always been interested in emerging technologies and how it shapes the world around us.
Alon Segal
monday.com, Israel
Alon is a Software Engineering Team Lead at Monday.com with over a decade of experience in the software industry. Prior to joining monday.com, he worked at companies such as at Intel, BrightSource, and MyHeritage, specializing in Frontend development before transitioning to leadership roles in 2020. Alon is passionate about "doing the right things right," combining architectural guidance with empathetic leadership to help his team reach their full potential. He holds a degree in Computer Science from the Hebrew University of Jerusalem, and in his spare time, loves to travels the world with his wife and kids, and as a true coffee enthusiast he manages a coffee community and develops shopping aid tools.
Amit Hanoch
monday.com, Israel
Amit Hanoch is a Tech Lead at monday.com with 10 years of experience in software engineering. A graduate of the Mamram unit with a B.Sc. in Computer Science, Amit focuses on navigating complex systems. His work focuses on making large-scale architectural shifts predictable and efficient through automation.
In his spare time, Amit creates coffee videos online, where he explores the technical side of brewing the perfect cup.
Serhii Yakovenko
Engineering Leader, UK, London
Engineering leader with 10+ years of experience in software development, testing infrastructure, and team leadership. Passionate about delivering high-quality products, empowering teams, and fostering a culture of collaboration and continuous growth. Skilled in engineering management, project execution, and aligning technical excellence with business goals.