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!

Jad Fakih
Integrix AI, Australia
I am the founder of Integrix, an AI-driven agency that helps established businesses leverage artificial intelligence and automation to transform their sales and marketing strategies. With a background in sales and over a year of focused experience in AI and its practical applications, I specialise in guiding business owners to streamline operations by automating routine tasks and optimizing sales cycles. This enables them to concentrate on high-value tasks, accelerating growth and scaling their business.

Moataz Nabil
Bitrise, Germany
Moataz has over 12 years of experience in testing and development roles across industries such as agriculture, telecom, healthcare, fashion, and food delivery. Moataz is currently a Developer Advocate at Bitrise, helping mobile engineers deliver fast, reliable, and secure mobile apps. He also helps companies build their own developer productivity teams. As well as being an AWS Community Builder, he also teaches on TAU and Udemy. His experience includes building automation projects for large and distributed projects from scratch.

Olayinka Atobiloye
GitHub, Nigeria
Olayinka Atobiloye is a third-year Computer Engineering student at the University of Lagos, and she is also a GitHub Campus Expert and the Chair of Women in Engineering, Unilag. Her passion for software engineering stems from its ability to create solutions that have a direct positive impact on people's lives. In the past, she has had the opportunity to build impactful solutions through internships at companies like Goldman Sachs and GitHub.
Additionally, Olayinka is passionate about volunteering and growing communities. As a GitHub Campus Expert, she hosts events like the GitHub Octernship Lagos, where students receive tips and insights into the GitHub Octernship program to help them accelerate their careers. As the current Women in Engineering Chair on her campus, she spearheads programs that improve the software engineering skills and employability of female students. These programs include seminars and mentoring sessions where female students can discuss with women in the industry and learn how to overcome challenges they may face in their early careers.
Olayinka is committed to making a significant impact in software engineering and in her immediate community.

Matias Huhta
Simplr, Finland
Matias is an enthusiastic Software Developer who loves working with developer tooling. He’s an active member of Open Source communities and aims to contribute to the tools he uses.
Matias aims to ease the day to day development experience of developers around the world while also making the experience as enjoyable and fun as possible.
Matias is a huge advocate of using the web platform and the features it provides natively.

Kræn Hansen
ElevenLabs, Denmark
Kræn is a Developer Experience Engineer at the Voice AI startup ElevenLabs. Formerly worked at MongoDB, building Realm JS. He has build and maintained multiple React apps, including the Realm Cloud (replaced by MongoDB Atlas post acquisition) and Realm Studio (an Electron app to browse the Realm database). He lives 30 minutes west of Copenhagen, with his wife, their two 7yo twins and 3-yo - all girls.

Ondrej Polesny
Kontent.ai, Czech Republic
Ondrej is a Jamstack enthusiast focused mostly on React and Vue-based tools. As a Developer Evangelist at Kontent.ai, he constantly stays connected with in-house and partner developers, which brings him closer to many interesting digital projects built with various tools. Always interested in problems that everyone claims have no solution, Ondrej enjoys building the architecture of components or applications and figuring out how all parts fit together. He also creates videos and speaks at conferences and podcasts.

Burak Kantarci
Thundra, Turkey
Burak Kantarcı works as the Product Manager at Thundra, a developer platform that empowers application teams to develop, debug, and deliver modern microservices on the cloud. With an engineering and design background, he is creating products to drive impact. His current goal is to ease developers' daily life and make their workflows more errorless and enjoyable.

Sahar Pournasseh
Gearback, Iran
Sahar is a software developer and a game enthusiast. She has been developing in the web and mobile platforms for years, but her childhood passion for games and gaming brought her to the game industry and her experience with web and mobile platforms gave her more insight to become an indie game dev. Starting with JavaScript web games made this passion burn brighter and she's been creating games ever since, working with different engines and experimenting with creating multiplayer and single player games.

Daniel Irvine
Concisely Crafted, UK
Daniel Irvine is a soft ware consultant based in London. He works with a variety of languages including JavaScript and Ruby. He’s a mentor and coach for junior developers and runs TDD and XP workshops and courses. When he’s not working, he spends time cooking and practicing yoga. He co-founded the Queer Code London meetup and is an active member of the European software craft community.

Tiger Oakes
Microsoft, USA
After growing up with dead zones in Hawaii, Tiger wants to make apps that work offline and load fast. Today, he programs web apps as a senior engineer at Microsoft. Tiger is an enthusiastic member of the W3C working on new standards for the web, and has previously worked on Microsoft Edge, Firefox for Android, and Google Chrome. He creates art projects out of old devices, including junk phone wall decor and an e-reader tea menu. In his spare time, Tiger performs improv with his wife.

David Leitner
SQUER, Austria
David is Chief Technologist at SQUER, a Software Company based in Munich and Vienna, working with different stacks and environments but always an overarching mission: connect ideas and provide impact — with technology. He spends much of his time on the frontlines tackling the challenges of scaling software and complex domains, with a strong focus on cloud-native architectures and infrastructures. David enjoys sharing his knowledge as a conference speaker and lecturer for his post-diploma courses at the University of Applied Sciences Technikum Vienna.

Yuraima Estevez
Shopify, USA
Yuraima Estevez is Frontend Development Manager at Shopify. She cares deeply about building open source tools, teaches developers how to create inclusive apps, and is a co-organizer for the useReactNYC meetup. Her superpower is saying hello to every dog she sees, and her current obsession is her Stardew Valley farm.

Hung Nguyen
Full-time Open Source Contributor, Vietnam
Hung Nguyen is a full-time Open Source Contributor. He loves to help others with his software. He is obsessed with Developer Experience (DX). So he created jest-preview to help frontend engineers to write and debug Jest tests effortlessly. He is also a core member of bestofjs.org, a curated list of Javascript packages, which helps you to follow the growth of the Javascript ecosystem.

Vitor Malencar
Chilipiper, Berlin
Senior Web Developer & Engineering Manager based in Berlin with over 12 years of hands-on experience. I’m passionate about teaching and sharing knowledge—producing video tutorials and leading code courses at top programming schools. In my free time, I give back to the open-source community by maintaining projects like redux-offline, dracula-ui and clipboard.js,

Matheus Guimaraes
Amazon Web Services (AWS), UK
Matheus Guimaraes (@codingmatheus) is a digital transformation specialist focused on AI adoption and microservices architecture. An international keynote speaker with over 20 years in tech, he’s worn many hats, from junior game programmer to CTO and tech co-founder. Matheus has helped companies of all sizes modernize and scale their systems, leading transformation programs and designing cloud-native, AI-ready architectures. Today, he shares his expertise globally through talks, blogs, and videos, passionate about helping others grow in the industry. Outside his professional life, he’s a gamer, swimmer, musician, and firm believer in the powerful intersection of creativity and technology.

Kaleb McKelvey
Netflix, USA
I'm a frequent traveler, too much coffee drinker, and a constant Reddit lurker. Since Diablo 1 piqued my interest in learning how to program, I've been on a mission to continuously grow through my career and personal experiences as a Software Engineer. I hope to share the things I learn with the world!

Jorge Rubiano
Huge, Colombia
Hi! I'm Jorge Rubiano, a passionate developer with several years of experience in the programming world. Throughout my career, I've discovered that one of the best ways to learn and teach is through personal projects, and in my case, games have been my greatest source of inspiration.
I love immersing myself in game development because not only are they fun, but they also provide a valuable opportunity to learn new technologies and concepts. Each game I create challenges me to explore and master emerging technologies, from frameworks to libraries, and even design concepts and game logic.





