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!
Stephen Cooper
Stephen Cooper
AG Grid, UK
Stephen is a Senior Developer at AG Grid. An active blogger writing about web tech who speaks at conferences and meet-ups worldwide, sharing practical and experience-based tips, tricks, and case studies.
Pedro Filho
Pedro Filho
Blockchain.com, Portugal
Likes to work closely with UI and UX, and collaborate with product owners/managers to solve business problems.
Bret Little
Bret Little
Shopify, USA
I work at Shopify on Hydrogen, an open source e-commerce framework built on top of Remix. Previously I worked on Lightning Web Components and the Lightning Web Runtime at Salesforce, and I was a core team member of Single-spa, a JavaScript router for micro front-ends. Outside of web development, you'll find me canoeing and backpacking in New England.
Julio Arruda
Julio Arruda
GFT Technologies, Brazil
AI Impact Lead at GFT, 8 years Microsoft MVP, First Brazilian GitHub Star, YouTuber, Speaker.
Haris Mahmood
Haris Mahmood
Shopify, Canada
As a Senior React Native Engineer at Shopify, Haris is helping create a better world of commerce. He runs a developer focused online store (repitsupply.com), has a weird obsession with dinosaurs, and is still emotionally recovering from the terrible GoT finale.
Simeon Griggs
Simeon Griggs
Sanity, UK
With relentless positivity and genuine enthusiasm, Simeon is a Principal Educator at Sanity. He aims to bridge the gap between developers and content creators by presenting the benefits of and inspiring solutions with structured content.
Baris Guler
Baris Guler
Delivery Hero, Germany
Working as an Engineering Mananger / Tech Lead for a couple of years alongside with a 15+ experience on engineering area in 3 (three) different countries working with several FE/BE & Full-Stack teams.
Juan Cruz Martinez
Juan Cruz Martinez
Okta, Germany
Juan helps people learn tech skills so they can level up their life. Founder of http://thecodeenigma.com, content creator, and Oktanaut!
Thomas Findlay
Thomas Findlay
Findlay Web Tech, UK
Thomas Findlay is a 5 star rated mentor, full-stack developer, consultant, speaker, and technical writer. He is the author of "Vue - The Road To Enterprise" and "React - The Road To Enterprise" books and works with many different technologies such as JavaScript, Vue, Nuxt, React, Next, React Native, Node.js, Tailwind, Firebase, Python, and more. He has obtained MSc in Advanced Computer Science degree with Distinction at Exeter University, as well as First-Class BSc in Web Design & Development at Northumbria University. Over the years, Thomas has worked with many developers and teams from beginners to advanced and helped them build and scale their applications and products. He also mentored a lot of developers and students and helped them progress in their careers.
Jesse Martin
Jesse Martin
Hasura, Germany
Jesse Martin is a fanatic of brand, product and web development and talks about the future of content management and GraphQL for GraphCMS. He was an early adopter of React and loves all things tech, health, and design.
Callum Macrae
Callum Macrae
Author of Vue.js: Up and Running, UK
Callum Macrae is a developer and occasional musician based in London, UK, with a passion for using JavaScript to solve complicated problems. His current favourite things to work with are Vue and SVGs (but only sometimes at the same time). He is the author of Vue.js: Up and Running, a book about getting started with Vue. He can be found on Twitter and GitHub as @callumacrae.
Robert Balicki
Robert Balicki
USA
Robert is a staff software engineer at Pinterest.
Arjun Attam
Arjun Attam
Microsoft, India
Arjun is a program manager at Microsoft, where his team builds Playwright. Playwright is a new library for automated end-to-end testing of web applications across all modern web browsers.
Evgeny Poberezkin
Evgeny Poberezkin
SimpleX Chat, UK
SimpleX Chat (http://simplex.chat) founder - the 1st chat platform that does not have any user identifiers. Created Ajv JSON validator used by millions of JS apps.
Mandi Wise
Mandi Wise
Apollo, Canada
Fan of JavaScript + Python, analogue photography, and the serial comma. Also wrote a book about GraphQL.
Robin Ginn
Robin Ginn
OpenJS Foundation, USA
Robin Bender Ginn is the Executive Director of the OpenJS Foundation. Hosted by the Linux Foundation, OpenJS is the neutral home to grow and sustain the JavaScript and web ecosystem with 35 projects including Appium, Electron, Jest, jQuery, Node.js and webpack. Previously, Robin led major initiatives at Microsoft to advance open source technologies, community development, and open standards.
Maya Nedeljković Batić
Maya Nedeljković Batić
Linear, Serbia
Maya is a software engineer who has been creating complex frontend products for almost a decade. From workflow editors and no-code expert knowledge automation, to data labeling tools for image, video and medical data, she’s seen it all—or at least a lot of it. She studied fine arts painting and game development, but her passion is JavaScript and the web. She is bridging the gap between these different worlds with explorations in Three.js, WebGL, and 3D art.
Ejiro Asiuwhu
Ejiro Asiuwhu
Veet, Nigeria
Ejiro Asiuwhu is a product engineer who works at the intersection of software, product, and design. He's bullish on leveraging technology to solve user problems and create magical experiences, focusing ruthlessly on what users care about. He is also a co-founder and product engineer at Veet.
John Reilly
John Reilly
Investec, UK
Long-time Londoner, born in Bristol and raised in Fleet. I blog at https://blog.johnnyreilly.com and I work/have worked on a number of open-source TypeScript projects including: - Definitely Typed - ts-loader - fork-ts-checker-webpack-plugin I also wrote the history of Definitely Typed: https://blog.johnnyreilly.com/2019/10/08/definitely-typed-movie.
Stephen Belanger
Stephen Belanger
Datadog, Canada
I'm a Node.js core contributor and founder of the diagnostics working group. I've been working on performance and diagnostics tools for a decade now.
E. Dunham
E. Dunham
Okta, USA
From a background in DevOps, Systems Administration, and SRE, edunham has recently taken the leap into developer advocacy to spread information about which tools and approaches fit which problems well, and to gather real-world feedback that helps Okta improve its products. Outside of work, you'll often find them anonymously automating annoyingly manual workflows in their favorite online games, gardening, and getting interrogated about whether they have or are food by several chickens and a cat.
Konstantin BIFERT
Konstantin BIFERT
Baserow.io, Netherlands
Devrel at Baserow.io :avocado: Nuxt and WTM ambassador, sharing good vibes and helping people.
Maurice de Beijer
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.
Ana Rodrigues
Ana Rodrigues
Hactar, UK
Ana works as a front-end developer for the agency Hactar. She started coding as a teenager building fan sites, and has been working as a front-end developer for the last 11 years. Nowadays, Ana spends most of her free time experimenting on her personal blog and is particularly interested in ethics, IndieWeb, sustainability, plants, cooking, privacy and all things CSS.