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!
Krutie Patel
Krutie Patel
Deloitte Digital Australia, Australia
I'm a front-end developer. I create interactive web stuff using Vue js and Nuxt js. Some other frameworks and libraries I also enjoy working with include GSAP, Laravel ⚡️ and Jamstack (JavaScript, APIs + Markup). I love writing ✏️ articles about what I learn and share with Vue/Nuxt community. You can find my blog-posts on my website, which is also created using 👑 Nuxt js. Apart from this, I also love creating colour-coded diagrams. I create them to capture and document my learning. Diagraming have been an effective tool in my learning journey of Laravel, Vue js and of course, my absolute favourite, Nuxt js.
Simon Stern
Simon Stern
Apricot Studios, Canada
Simon is a full-stack developer and React Native specialist with a keen interest in experimenting with bleeding edge software, building cool products, and sharing knowledge. Over the years he’s had a diverse set of experiences ranging from mobile apps, full-stack development, web3, AI & LLM’s. His clients have won awards in the healthcare space, been featured at the Cannes Film Festival, and were a partner in the Dubai 2020 Expo. Recently Simon has been exploring the frontier of the future as a member of the Network School in Forest City, Malaysia.
Iwo Plaza
Iwo Plaza
Software Mansion, Poland
Iwo Plaza is a software engineer & artist, trying to incorporate art into every project he gets his hands on. He's passionate about graphics programming and softening the learning curve for future developers trying to get into it. Author of TypeGPU and numerous interactive examples and games built using WebGPU for Web and React Native. His combined experience with C++ game engines and TypeScript's type system allow him to lead the project in a unique direction.
Bela Bohlender
Bela Bohlender
react-three/uikit and react-three/xr Maintainer, Germany
Open-source developer specializing in Web, 3D, and XR, dedicated to building tools that help developers create extraordinary applications and experiences.
Mo Khazali
Mo Khazali
Theodo, UK
Mo is an Associate Partner at Theodo, who focuses on AI tooling and AI-accelerated modernisation. He has worked with large enterprises to help them adopt AI at scale across engineering teams.
Elian Van Cutsem
Elian Van Cutsem
React Bricks, Belgium
Mentorship available
Elian Van Cutsem or "ElianCodes" is a full-stack developer, creative technologist, and all-around internet troublemaker based in Belgium. He’s the **CTO at Vulpo** and works in **Developer Relations at React Bricks**, focusing on developer experience, documentation, and education. Previously, he was a Software Engineer and core maintainer at Astro. Elian is also a co-organizer of several major JavaScript communities and events, including **BeJS**, **React Paris**, **React Brussels**, and **React Africa**. Alongside his professional work, he creates provocative and experimental AI projects, designed to challenge our assumptions about ethics, automation, and human behavior. His work blends code and commentary, often in ways that are both hilarious and uncomfortably real. Elian is known for his passion, puns, and offbeat sense of humor. His talks combine technical insight with a strong dose of creative chaos—guaranteed fun on stage.
Ayoub Alouane
Ayoub Alouane
Adservio, France
I am Ayoub Alouane, working as a DevRel and TechLead in Adservio, Moroccan coming from Africa, starting a new journey in France, as a Speaker and Trainer, I'm trying to build a consciousness about web performance in our community of devs.
Karl Horky
Karl Horky
Founder @ upleveled.io, Netherlands
As technical founder at upleveled.io, I design and teach our full stack and AI programs, helping beginners and experienced engineers take the next step in their technical growth. With AI increasingly reshaping technical work, fundamental skills and comprehensive, well-rounded knowledge matter even more. In this context, I focus on designing broad and accessible curricula, mentoring learners at different stages and contributing widely to open source along the way.
Zan Markan
Zan Markan
CircleCI, UK
Zan Markan is a developer advocate at CircleCI, on a mission to educate and inspire developers on the topics of CI/CD, DevOps, and software quality. Across his career he has worked in companies of various sizes, from enterprises to own startups, and everything in between, and across industries as diverse as retail, AI, and developer tools. He’s passionate about serverless technologies, mobile development, and developer experience. Outside of work, he enthuses over airplanes, craft beer, and the Oxford comma.
Josh Justice
Josh Justice
Chick-fil-A International, USA
Josh Justice is the frontend architect of Chick-fil-A’s International division. He oversaw the development and release of the Chick-fil-A Canada app in July 2025. Over his 20-year software development career he’s specialized in mobile and frontend web testing approaches and tools as a way to deliver more sustainable software that meets user and business needs. He has shared what he learned about testing through consulting, blogging, and speaking at conferences such as Chain React and React Native EU.
Rosario Fernandes
Rosario Fernandes
Google, UK
Rosário P. Fernandes (@thatfiredev) is a Developer Relations Engineer on the Firebase team at Google, focused on helping developers integrate Firebase and Generative AI into their mobile apps. With a passion for developer communities, he can often be found hanging out with other Android, Firebase, or Flutter developers. In his free-time, he enjoys playing videogames, reading comic books and watching movies.
Sami Jaber
Sami Jaber
Builder.io, Canada
Following a stint in data engineering, I have spent the past 6 years focused on web development. After building elegant & highly performant user experiences at Unsplash as the Web Team Lead, I have now shifted focus to developing SDKs & maintaining Mitosis @ Builder.io. I am currently the core maintainer of Mitosis, a trail-blazing open-source project that allows engineers to write their components once and build them for every web framework out there.
Andrei Calazans
Andrei Calazans
G2i, Brazil
I'm a Software Developer with an emphasis on a JavaScript Stack(React, React Native, GraphQL, Relay, Apollo, Redux, Redux-Saga, and others). Over the past years, I've worked mostly with Front-End applications, but I have done Back-End work with GraphQL JS. Despite starting my career on the Web, I have been working with Mobile applications for quite some time. Due to working on cross-platform solutions like React Native, I have some experience writing Swift, Objective-C, Java, and C++. I cherish good communication and respect. I also have some of those cliche skills = ) Fast learner and a good communicator. Besides Software Development, I like writing, learning about emotions, and philosophy.
Ben Michel
Ben Michel
Datadog, USA
Ben cares about enabling developers, and supporting open source projects that push the Web forward (OpenJS Foundation, Node.js, tc39, Unicode Consortium). As a Technical Evangelist at DataDog, he’s helping devs create delightful experiences by using real user monitoring, and distributed synthetic testing. Ben has also led JavaScript meetups over the years (PDXNode, WebAudioPDX), and occasionally produces music.
Emanuele Stoppa
Emanuele Stoppa
The Astro Technology Company, Ireland
Emanuele Stoppa is an Italian Senior Software Engineer, currently living in Ireland. Active contributor to the Biome and Astro projects. He has more than ten years of experience in the field. He has worked in many fields in the industry - fintech, travel, e-commerce, etc. - and is passionate about open source.
Daria Caraway
Daria Caraway
Workday, USA
Daria is a Speaker, Scrum Master, and Software Engineer at Workday where she builds consumer-grade web experiences for the enterprise user. When not coding, Daria is often found traveling, eating good food, and traveling to eat good food.
David McCabe
David McCabe
Facebook, USA
UI Engineer at Facebook. Author of Recoil.js
Trevor Brindle
Trevor Brindle
Modus Create, USA
The web, mobile, JavaScript, React/Native, CI/CD, process improvement, leading teams, remote work, and interviewing.
Bree Hall
Bree Hall
Atlassian, USA
Bree is a frontend Software Engineer turned Developer Advocate. She has a passion for coding and making technology education accessible to everyone. Bree creates technical content to help developers create and build autonomously.
Ruy Adorno
Ruy Adorno
vlt.sh, Canada
Ruy Adorno is Vice Chair of the Node.js Technical Steering Committee, a member of the Node.js Release Working Group, and Founder Engineer at vlt.sh. Previously at Google, GitHub, and npm, he has 20+ years building developer tooling and web platforms.
Chris McCormick
Chris McCormick
Independent Game Dev, Australia
Chris McCormick has been putting weird things on the internet since 1997. He writes code, makes music, doodles, does game dev, and builds online micro-businesses as a hobby.
Pablo Postigo
Pablo Postigo
Frontity, Spain
Software Engineer, entrepreneur and foodie. Born and raised in Madrid, Spain. Pablo and his team are on a mission to make building delightful user experiences universally accessible. He founded Frontity in 2015, has raised 1.5M€ in funding and since June 2019, Frontity became a 100% open-source project after releasing their framework for building lighting sites using React and WordPress.
Gert Hengeveld
Gert Hengeveld
Chromatic, Netherlands
Gert is an engineer at Chromatic, the company behind Storybook. He works closely with the rest of the Storybook team to envision and build the future of UI development and testing.