JavaScript experts, mentors, speakers

Developer Experience Engineer @ Sentry, organizer of React Toronto community, tinkerer.

Confidence Okoghenun is a Developer Advocate at Cloudflare, where he bridges the gap between developers and the company’s edge platform, focusing on developer tooling, edge computing, and practical AI integrations. Confidence regularly shares his knowledge through blog posts, conference talks, and open‑source demos, especially around AI‑agent workflows and cutting edge web tech.

I’m Theodore, a software engineer, educator and speaker based in Athens, Greece. I’m currently working as a lead software engineer for Workable.

Greg Brimble is an experienced Systems Engineer helping to build Cloudflare's Developer Platform. He is primarily focused on Cloudflare Pages & Workers, a platform for developers who want to build full-stack, affordable, and globally scalable applications. He spends a lot of time thinking about the experience for Cloudflare's developers, but also (and maybe more importantly) the experience for their end-users. How can applications, frameworks, and platforms all work together to produce the most performant, most accessible, and most delightful experience for users, regardless of where they are, what device or internet connection they have, or what they're trying to achieve.

Jemima Abu is a self-taught front-end developer, Google Developer Expert, Microsoft MVP, and Certified Professional in Accessibility Core Competencies. She is passionate about diversity in technology and accessibility in web development.

Tim Suchanek is a software engineer and entrepreneur who specializes in GraphQL. He is the author of the GraphQL Playground, and the founder of Stellate, a GraphQL edge caching solution.

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.

Jemima Abu is a self-taught Front End Developer and school-taught Systems Engineer from Lagos, Nigeria. She currently works at Telesoftas, a software company based in Lithuania. She is an avid advocate for diversity and intersectionality in technology and accessibility in web development. She's also a huge nerd, slightly obsessed with cats and can usually be found on her laptop, coding or watching slice-of-life anime.

Jest core contributor and creator & maintainer of jest-junit. Jason is an engineer and technical product manager at Spotify where he focuses on web infrastructure, CI/CD, and test automation.

My name is Maria and I'm a software engineer at Microsoft in the TypeScript team. I mostly focus on its language support in Visual Studio, but I also work in the JavaScript project system and the integration of other language servers into the IDE (like ESLint and Angular). When I'm not debugging mysterious code I didn't write, I enjoy giving my 2¢ to open source.

Head of Developer Relations at api.video.

Andrew joined the TypeScript team at Microsoft in 2019. As a former frontend developer, one day he looked too closely at the differences between Node and bundlers and has been falling down the rabbit hole of JavaScript modules ever since. He's currently on a quixotic mission to fix every npm package with arethetypeswrong.github.io—or at least fix a few while leaving behind some good documentation.

Tiffany Jachja is a technical evangelist at Harness. She is an advocate for better software delivery, sharing applicable practices, stories, and content around modern technologies. Before joining Harness, Tiffany was a consultant with Red Hat's Consulting practice. There she used her experience to help customers build their software applications living in the cloud.

William Lyon is a Developer Relations Engineer at Neo4j where he helps developers be successful with graphs. Prior to joining Neo4j William worked as a software developer for several startups, building mobile apps, quantitative finance tools, and predictive API services. William holds a Masters degree in Computer Science from the University of Montana and is the author of the book "Full Stack GraphQL" published by Manning. You can find him online at [lyonwj.com](http://lyonwj.com/).

Ioana Teleanu is an experienced design leader specializing in AI-powered products. Currently, she is the Lead Product Designer for AI at Miro. Previously, she worked at UiPath on a product called Clipboard AI, which was granted Time Magazine's 'Best Invention of 2023' award. Before that, she contributed to multiple products within UiPath and ING Bank and provided consulting and design services for several early-stage startups worldwide. She's the creator and instructor of one of the most successful courses on AI for Designers, in partnership with the Interaction Design Foundation. As a seasoned design educator, she has launched courses with Domestika as well as her own design bootcamp, all while mentoring and sharing her insights as a designer within her community, UX Goodies. Through the UX Goodies channels, which together have over 300,000 followers, and her podcast, Honest UX Talks, Ioana strives to deliver value to her audience. She focuses on teaching designers how to prepare for the AI revolution and remain competitive in a rapidly changing landscape.

Juarez Barbosa Junior has +20 years of experience in several IT-related roles throughout his career, currently working for Microsoft as the Azure Developer Engagement Lead in Ireland. Previously, he's worked for Oracle as a Principal Blockchain Developer Advocate and as Thought Leader and Technical Evangelist in IBM Mobile and IBM Watson. He's passionate about engaging developers and communities to present and discuss the latest technologies related to Blockchain, IoT, Cloud Native, AI, and other Emerging Technologies, with a particular focus and interest in Microsoft Azure.

Prismic founder & CEO; Co-creator of Play web framework. He enjoys connecting business, marketing, software architecture and code.

Chaitanya is a Staff Frontend Engineer at Razorpay, deeply passionate about design systems and frontend architecture. Over the past few years, he has focused on building scalable systems and tooling that empower developers to create consistent, accessible, and efficient UI at scale. He is part of the team that built Blade, Razorpay’s open-source design system, which has received global recognition and was even featured by Figma. Chaitanya is equally passionate about the world of AI and strongly believes that the intersection of AI and design systems will redefine how we build user interfaces. His recent work on BladeAI, an AI-powered “Figma to Code” solution, reflects that vision — aiming to transform design into production-ready code that speaks the same language as real developers and systems do. When he’s not writing code, Chaitanya is either lost in a good fiction book or gaming on his PlayStation.

The optimist web designer/developer. Vue.js core team member. VitePress and Vue’s design system. Partner at Global Brain.

Writing JavaScript since '96, into Node.js from 0.8 (2012). Author, OSS Creator, Teacher, Consultant, Speaker helping to shape the ecosystem. Node Cookbook original and OpenJS Node.js Certifications lead. Driving innovation in the exciting peer-to-peer space, marking a new chapter in decentralized computing: pears.com.

Arisa is a Frontend and Full Stack Developer who became a DevRel Engineer. She works to help improve DX through technical content creation, building demo apps, contributing to OSS, and talks. Outside of her work, she is a GDE, As ANY podcast co-host, and a GirlCode ambassador. In her private time, she is a longboarder, a snowboarder, a yogi, and an Aikido fighter.

Jenn is a multifaceted individual with a passion for technology and a heart for people. Currently, she works as a Developer Advocate for Aiven, where she helps developers harness the power of data infrastructure. Outside of work, Jenn hosts Teach Jenn Tech, about exploring technology. Jenn also hosts a thought-provoking podcast called Sh!t You Don't Want to Talk About, where she fearlessly dives into challenging topics such as mental health, equity, and diversity. Her goal is to create a safe and welcoming space for honest conversations, where people from all backgrounds can feel heard and understood. Jenn's focus is on PostgreSQL and TypeScript and she is always eager to learn and explore new technologies. She thrives on diving deep into complex problems, finding elegant solutions whether she's coding, teaching, or podcasting. Jenn is an advocate for social justice, striving to make the tech industry more equitable and diverse, ensuring everyone has a seat at the table. In all her endeavors, Jenn is a force to be reckoned with, fueled by her love of people and her passion for technology.

Simon is enthusiastic about simplifying the complexities of our interconnected world. He applies this passion as a Lead Developer Relations Engineer at Edge & Node to enable the amazing projects in web3 building exceptional decentralised experiences leveraging The Graph. He joined the blockchain space professionally in 2017 as Head of Front-end/UX at Melonport which is now known as Enzyme Finance, one of the pioneering projects in DeFi and web3 and early adopter of The Graph.

Patrick is a frontend engineer at Rohea Oy, building the next big sales enablement platform built on Flow, ReScript, React and PHP. He is also core team member of the ReScript programming language, working on the language's tooling infrastructure and documentation website.