JavaScript experts, mentors, speakers
Explore personalities and their talks, workshops, videos, and articles. While we focus primarily on JavaScript and frameworks like React, Vue, Svelte, and Node, you may find experts on other fields on our Portal. To name a few – Testing, DevOps, Machine Learning, and many more!

Hemanth HM
PayPal, USA
TC39 delegate and ECMA rep, working on JavaScript feature proposals. Hemanth is a FOSS philosopher and MTS at PayPal Inc. Google Developer Expert for Web && Payments. DuckDuckGo community leader. Member of Node.js Foundation. Google Launchpad Accelerator mentor.

Stewart Smith
Unity Technologies, USA
The creator of Q.js (a drag-and-drop quantum circuit composer) and Handy.js (a hand pose capture and recognition toolkit for WebXR).
Stewart invents fun future things in collaboration with his amazing colleagues at Unity Technologies where he serves as Head of Consumer Augmented Reality.
Prior to Unity, Stewart has worked with renowned hybrid studios like Google’s Data Arts Team, Google Creative Lab, Amazon’s Emerging Technologies and Intelligence Platforms team, and Unity Labs. Together with his talented teammates, he’s won industry awards like the Cannes Gold Lion, created a virtual reality music video for LCD Soundsystem, and collaborated with Ernő Rubik to create the “Beyond Rubik’s Cube” traveling exhibition. What really makes Stewart happy is partnering with smart friends to take on the impossible – or the ridiculous.
Stewart received his Master of Fine Arts in Graphic Design from Yale University. His artwork has been exhibited at various museums around the world, he’s taught graduate courses that mix code with graphic design, served on various industry panels, and is always excited about the future.

Ruben Casas
Postman, UK
Software Engineer and Architect. Currently building Micro Frontends Frameworks At American Express. I enjoy exploring new technologies and sharing my experiences with others.

Michael Bromley
Vendure, Austria
I've been building for the web for over 15 years - mainly focusing on e-commerce applications, content management and open source. Now I'm building Vendure, an open-source headless commerce framework with a focus on developer productivity. I strongly believe in the mission to bring joy through great developer experience and open source tools. I'm originally from England but for the past 8 years I've been based in beautiful Vienna, Austria.

Gil Tayar
Microsoft, Israel
35 years of experience have not dulled the fascination Gil Tayar has with software development. His passion is distributed systems and figuring out how to scale development to big teams. Extreme modularity and testing are the main tools in his toolbelt, using them to combat the code spaghetti monster at companies like Wix, Applitools, and at his current job as software engineer at Microsoft.
Lenz Weber-Tronic
Apollo GraphQL, Germany
Lenz Weber-Tronic works as a Senior Staff Software Engineer at Apollo GraphQL, where he is part of the team maintaining the Apollo TypeScript Client.
He is a maintainer of Redux Toolkit and if he’s not currently trying to summon elder gods with weird TypeScript incantations he can usually be found on StackOverflow answering questions on Apollo and Redux usage or opening random PRs on GitHub.

Louis Knight-Webb
Vibe Kanban, UK
Louis is a co-founder of Vibe Kanban. A self-taught full-stack engineer, he's spent five years at the intersection of AI and developer productivity, from neural code search (2021) to LLM-based code translation (2024) to Vibe Kanban today. He also runs the AI Tinkerers London community.

Tim Benniks
Uniform, France
Tim is principal developer advocate at Uniform with a focus on developer relations, community building, and content creation. He’s active in the developer community through speaking engagements at conferences and creation of YouTube videos on modern technologies. Tim collaborates regularly with startups like Cloudinary, Prismic, Zeplin, and NuxtJS, and is a member of the MACH Alliance Tech Council. It's all about quality, community, and development of great websites.

Jamie Birch
Scoville, Japan
Jamie is a hobbyist cross-platform developer who likes exploring how we can make native app development more like web development.

Daniel Kelly
Vue School, USA
Daniel Kelly is a Vue School teacher from Alabama, USA. He is a passionate web developer for over 10 years. Enjoys talking about Vue, Nuxt and Laravel and sharing coding tips he picked up along the way with fellow devs.

Matt Carroll
Meta, USA
Matt Carroll works as a developer advocate on the React team at Meta.
He is currently focused on collaborations with the community and server components. Before Meta, Matt worked in developer relations at Google.

Cedric van Putten
Expo, Netherlands
Cedric is an engineer at Expo, primarily focusing on devtooling and developer experience. If you interacted with the Expo CLI, tried to set up a monorepo, used the Expo Tools vscode extension, tried out a Snack, or found Expo Atlas, you've already used some of his work.

Steven Hao
Cognition, USA
Steven Hao is the co-founder and Chief Technology Officer of Cognition, the AI lab behind Devin, the autonomous AI software engineer. He helped shape Devin from an early research project into a product now deployed across some of the world's largest enterprises. Before Cognition, Steven was a gold medalist for the United States at the International Olympiad in Informatics and studied Computer Science and Mathematics at MIT.

Alex Trost
Prismic, USA
Alex is a teacher who wants to make learning web development easier and more fun for everyone. He’s working on the Developer Experience team at Prismic to make building React sites with a powerful backend easier than ever. Working in the JAMStack with any React framework is where Alex is happiest. He also teaches creative coding techniques on his site, Frontend Horse.

Harshil Agrawal
Cloudflare, Germany
Working in the Developer Relations team at Cloudflare, Harshil enjoys sharing his learnings with the community. A builder, and a passionate JavaScript developer, Harshil loves experimenting with tech and build solutions for his own problems.
Filip Hric
Replay.io, Slovakia
Filip Hric is a DevRel at Replay.io He teaches testers about web development and developers about testing.
Filip has a Cypress.io ambassador, leads a “Learn Cypress.io” community on Discord and has a blog at filiphric.com where he publishes Cypress.io tips.
He’s an international keynote speaker and leading expert on test automation in Cypress.io. As author and instructor of live Cypress workshop, he has taught hundreds of testers and developers about good practices and advanced concepts for testing in Cypress.
Enjoys running, playing guitar and spending time with his wife and four children.

Akash Joshi
SigTech, UK
A Senior Software Engineer at SigTech, Akash is a self-taught programmer who started his journey from playing video games to developing them. Spending the last year building software at Meta, he's now helping build apps at a rapid speed through the power of React and Typescript.

Jonathan Bakebwa
rct.ai, China
Jonathan Bakebwa is the creator and maintainer of Chakra UI Vue, a component library focused on making accessible Vue.js websites and applications fast.
Jonathan is also an Engineering Manager at rct.ai as well as the co-founder of the Vue Beijing Meetup in China.
He has also authored Vue.js utility libraries in the Vue ecosystem and is currently building the next version of Chakra UI Vue.
When he is not coding, Jonathan enjoys playing the guitar, reading and learning about startups.

Vince Canger
Wasp, Germany
Vince started his career as a worldwide educator, and then transitioned to tech. He is currently leading DevRel efforts at Wasp. Vince is also a passionate open-source and indie-hacker/solopreneur community advocate. He is the creator of Open SaaS, a 100% free and open-source alternative to the paid boilerplate starters.

Alexandre Moureaux
BAM, France
Hi, I'm a tech lead at BAM where I've been developing React Native apps for 8 years. My obsession is mobile apps performance 🚀. I truly believe it's our responsibility to develop performant apps, as one way to fight against climate change!

Andrew Reddikh
Redco, UK
Passionate software engineer with expertise in software development, microservice architecture, and cloud infrastructure. On daily basis, I use Node.js, TypeScript, Golang, and DevOps best practices to build a better tech world by contributing to open source projects.

Anthony Eden
DNSimple, USA
Founder of DNSimple, vendor of duct tape, purveyor of UDP packets. Erlang. Elixir. Golang. Ruby. Java. JavaScript. Surf. Snowboard. Living life to its fullest.

Dan Vanderkam
Google, USA
Dan Vanderkam is the author of Effective TypeScript (O'Reilly 2019) and a Principal Software Engineer at Sidewalk Labs. He previously worked on open source genome visualizations at Mt. Sinai's Icahn School of Medicine and on search features used by billions of users at Google (try "population of france" or "sunset nyc"). He has a long history of working on open source projects, including the popular dygraphs library and source-map-explorer, a tool for visualizing JavaScript code size. He is also a co-founder of the NYC TypeScript meetup and blogs at effectivetypescript.com. When he's not programming, Dan enjoys playing bridge and climbing rocks near his home in New York's Hudson Valley.
