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!
Mathieu Fedrigo
Mathieu Fedrigo
BAM.tech, France
Mathieu has been a React Native software mobile architect for the past 4 years. He specialises in testing, especially on mobile. Recently, he's also been working on React Native for TVs.
Mark Robustelli
Mark Robustelli
FusionAuth, USA
Mark Robustelli is an accomplished software engineer and technology leader with over 25 years of experience in architecting and implementing innovative solutions for a wide range of clients. Most recently, he has found a perfect fit that allows him to combine his love of technology with his passion for helping people as a Developer Relations Engineer at FusionAuth.
Renaldi Gondosubroto
Renaldi Gondosubroto
SEEK, Australia
Mentorship available
Renaldi Gondosubroto is a Software Developer from Seek Limited, where he works on the backend of the home page which is accessed by all jobseekers who search for jobs on the site as well as the infrastructure which powers it. Previously he has worked as a .NET software developer for automobile companies and has been active within the research community; putting a lot of his research focus within IoT and virtual reality. Through his passion of developing software and contributing to the opensource community, Renaldi wants to encourage the innovation of new solutions to usher forward and promote a new era of innovations that can be used by everyone. Having spoken at 20+ events and conferences, he has also been active on the open source community for the past five years, building solutions on the cloud and sharing his experiences and projects.
Jonathan Wagner
Jonathan Wagner
Theodo UK, France
Tech lead and coach at Theodo UK. Passionate about improving developer experience and building web apps without frustrations (for both users and devs).
Andrzej Fricze
Andrzej Fricze
The HEINEKEN Company, Poland
Experienced programmer and eloquent speaker. Andrzej has been at the forefront of the tech community, orchestrating countless meetups and conferences. With a passion for nurturing the next generation of tech enthusiasts, he's proudly mentored at both JavaScript and Clojure workshops. Beyond the realm of code, he's a dedicated musician and a fitness enthusiast who enjoys lifting. In his downtime, he's honing his vocal talents and always brainstorming innovative business ideas.
Jan Peer Stöcklmair
Jan Peer Stöcklmair
Sentry, Austria
I’m a software engineer working at Sentry and Pebblebyte, where I focus on frontend, DevOps, and making sure observability is everywhere. When I’m not deep in code, you’ll probably find me kitesurfing, road biking, swimming, or hanging off a rock wall. Whether I’m debugging or chasing wind, I’m always looking for that perfect flow.
Brendon Co
Brendon Co
Standard Chartered Bank, Singapore
Originally from Singapore. Brendon is an expert UI expert at Standard Chartered and published multiple books in amazon and leanpub. In his free time, he writes about Model Context Protocol server for PostgreSQL, Remix starterkit, Micro Frontend book and sell UI components.
Ed Bentley
Ed Bentley
Fluke Games, UK
Frontend Developer working on indie games and open source.
Samuel Esogbue
Samuel Esogbue
Apex Motive, Nigeria
Samuel is a Generative AI Engineer with a strong desire to solve problems. He constantly works on developing new and creative AI solutions that push people's life & businesses forward. Motivated by his keen interests in technology and psychology, along with his dedication to doing excellent work, Samuel focuses on building AI solutions that improves people's lives by directly addressing economic issues. Being efficient and productive is extremely important to him, driving his goal to create powerful, leading AI solutions that bring about positive change.
Devesh Jadon
Devesh Jadon
Delivery Hero, Germany
Passionate about simplifying complex solutions.
Austin Fahsl
Austin Fahsl
Nx, USA
Austin Fahsl is a senior engineer at Nx and a core maintainer of Lerna. With a background in enterprise web application development, his passion for building things is driven by a fascination for human psychology. Austin lives in Colorado and enjoys board games, craft beer, and live music.
Darrell Warde
Darrell Warde
Neo4j, UK
Darrell is a senior software engineer and the GraphQL team lead at Neo4j, where he primarily works with TypeScript and of course, GraphQL! After many years of building GraphQL services, he has brought his passion for the technology to the company to build a library which will enable users to quickly get up and running with GraphQL and Neo4j. Darrell joined Neo4j at the start of 2021 following 7 years working in the public sector, which started with an apprenticeship where he learnt how to develop software. Darrell enjoys staying active by going to the gym and cycling, and plays Brazilian samba drums!
Karol Przystalski
Karol Przystalski
Codete & Medtransfer, Poland
Obtained a PhD degree in Computer Science in 2015 at the Jagiellonian University in Cracow. CTO and founder of Codete. Leading and mentoring teams at Codete. Working with Fortune 500 companies on data science projects. Built a research lab for machine learning methods and big data solutions at Codete. Gives speeches and trainings in data science with a focus on applied machine learning in German, Polish, and English. Used to be an O’Reilly trainer.
Erik Ziegler
Erik Ziegler
Voize, Germany
Co-Founder and CTO of voize. Loves to build products that make people's lives easier.
David Witt
David Witt
Shopify, USA
David is a Developer Advocate at Shopify, and previously a tech lead for an ecommerce agency. He is new to Shopify, but brings ten years of ecommerce and software experience with him to help foster relationships with Shopify and the developers using the platform.
Omar Diop
Omar Diop
Learnn, Italy
"Passionate Software Engineer with a strong background in technology and a desire to constantly learn and grow and share. Omar has always been fascinated by technology since a young age and aspired to turn his passion for programming into a career. At the same time, he has a strong passion for marketing, funnel optimization, product development, and business. He dedicates a portion of his time experimenting with new solutions in these areas on projects that interest him.
Michael Di Prisco
Michael Di Prisco
Jointly, Italy
A decade in the Development field, still trying to get my head around it. Full-Stack Developer with a strong experience in Back-End Development and passionate about all things JS.
Vivek Vidyasagaran
Vivek Vidyasagaran
Synthesis School, USA
Vivek is a game developer and software engineer. He graduated with a Master’s in Entertainment Technology and has been designing and building kids’ educational games ever since. He is driven by a belief that games are the best way to make kids fall in love with learning.
Calin Bogdan
Calin Bogdan
TechQuarter, Romania
JavaScript fellow, clean code maniac, minimalist.
Cat Johnson
Cat Johnson
Khan Academy, USA
I am a Senior Frontend Engineer at Khan Academy and I’ve been working in the industry for over 6 years. During my day job I work mostly on React web components and focus on Accessible Technology. On my off hours I love talking about how to create more accessible and inclusive web applications and hosting a podcast discussing new technology creating positive social impact in our world today. I firmly believe technology can be used to create a more inclusive and equitable world as long as we keep it in check.
Niklas Abrahamsson
Niklas Abrahamsson
Original Creation
Fullstack javascript developer focused on React / Node.js. Always up for a good challenge and learning new stuff. Spends a lot of time with Remix and on the padel court. Organizer of Remix Sweden meetup group.
Nikhil Chandrappa
Nikhil Chandrappa
Yugabyte, USA
Nikhil is a Software Engineer at Yugabyte. He is leading the efforts on YugabyteDB integrations with open source developer tools like GraphQL, Spring Data, R2DBC, and Kubernetes. He also works with the developer community on the adoption of Distributed SQL databases in cloud native applications. He has presented at major developer conferences, including Spring One Platform, PostgreSQL Conference, and Distributed SQL Conference. He is originally from Mysore, India, and has a master’s degree in Computer Engineering from Syracuse University.
Ameer Sami
Ameer Sami
S&C Electric, USA
Ameer is a Staff Software Engineer with 15+ years of experience. Behind the keyboard he is passionate about developer experience, design systems, React, and building cool stuff. AFK he loves to bake and pick up heavy circles.