JavaScript experts, mentors, speakers

Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. He is passionate about learning and teaching and has spoken at multiple conferences around the world about topics he loves. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Likes to work closely with UI and UX, and collaborate with product owners/managers to solve business problems.

Matheus is a Staff Front-End Engineer at Medallia, building their surveys platform and helping them shape the customer experience market with React, and a Google Developer Expert in Web Performance. His areas of interest include React and its ecosystem, JS and compile-to-JS languages, DX, and perceived performance optimization. Aside from public speaking about these, he also volunteers at TechLabs, teaching front-end development.

Development Manager in the React Native Foundations team.

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.

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.

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.

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.

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.

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.

Fan of JavaScript + Python, analogue photography, and the serial comma. Also wrote a book about GraphQL.

Node.js core contributor Software Engineer - Trendyol

Software Engineer at Reality Labs, Meta. Project lead of Immersive Web Emulator (IWE) and Immersive Web Emulation Runtime (IWER). Founder of EliXR Games.

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.

Mackenzie is a developer advocate with a passion for DevOps and code security. As the co-founder and former CTO of a health tech startup, he learnt first-hand how critical it is to build secure applications with robust developer operations. Today as a Developer Advocate at GitGuardian, Mackenzie is able to share his passion for code security with developers and works closely with research teams to show how malicious actors discover and exploit vulnerabilities in code.

My background includes 10 years experience in Web development and currently venturing into Machine Learning, I am deeply passionate about empowering and inspiring others, which is why I proudly serve as a Women Techmaker Ambassador, dedicated to sharing my knowledge and experiences with the community and fostering diversity in the tech industry.

Co-Founder of Custodian, VC-backed insurtech startup based in London. Nathalia also created Metos - metos.app, a platform for writers. French multi-awards technologist, you can find her on instagram at @yeahgirlscode where she documents her journey in tech. Outside of coding, Nathalia trains in Muay Thai and enjoys playing different musical instruments.

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.

Hi, I’m Harsh Shah. I am a self-taught developer I am currently working as CTO at Pedals Up Blockchain Studio & Polygon Advocate. I started my coding journey in 2009. That was the first time when I ran my first code in the C language “Hello World!”. Then after there was no look back, I learned C, C++, Html, CSS, Javascript, Python, SQL and many more technical languages & frameworks. I am always a curious person about technology. When I started working in the industry, I worked with various Startup Companies across the globe, like Elemetor, KDE(GSOC), Wikimedia(GSOC), Mokko(USA Based), Dataone, Pycon Taiwan, etc. I am also a community builder. I started my first community at college with the help of some of my friends, Then after I started contributing to other communities like Makerfest, GDG Ahmedabad, Echai, Pydata, and IIT-B Ecell. Currently, I am a co-organizer of GDG Cloud Ahmedabad & Pydata Ahmedabad. I am also a Polygon Advocate. I have given more than 30+ talks on several topics like Google Cardboard (VR), Google Cloud Tech (GCP), Python tech, React Js, React Native, and Design Systems at the Local & Global levels. Currently, I am also working on Web 3 space for the last 3 years. And worked with more than 10+ startups in the Web 3 space. We at Pedals Up(company) work with clients like, Biconomy, Nord Finance, Pillow Funds, Scallop, Kalamint, NFT, and so on.

Co-founder and Chief Operating Officer @ Wonder Interactive

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.

Luca is the Co-Founder and CEO of Platformatic.dev, on the mission to evolve and make frictionless backend development. Luca’s passion for the tech industry started at the young age of just 6 years old when he began coding. Since then Luca founded and successfully exited 3 companies. While managing large teams, he has designed and delivered large-scale real-time systems for some of the industry leaders in gaming, banking and mobile technologies. Before his last role as CTO at mobileLIVE, he was VP of Engineering at CTO.ai, after leading the technology strategy and vision at Telus Digital as Chief Architect. Luca’s core focus is on creating business value through building out, architecting and overseeing Cloud Technology, Big Data , AI, APIs, Micro-Front-ends and large distributed systems.

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.

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.