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!
Jerel Miller
Jerel Miller
Apollo GraphQL, USA
Jerel is a Sr Staff Software Engineer at Apollo GraphQL maintaining the Apollo TypeScript Client living in beautiful Colorado, USA. He loves the art of software development and finding creative solutions to challenging problems.
Mukul Ramchandani
Mukul Ramchandani
Viacom18 - SDE2, India
A curious and passionate web engineer who loves speaking JavaScript with machines. I got 5+ years of creating frontend experiences for humans.
Miraan Tabrez
Miraan Tabrez
Hypertune, UK
Miraan is the founder at Hypertune. He was previously at Meta where he led teams across frontend, mobile, backend and machine learning.
Lucas Leadbetter
Lucas Leadbetter
Apollo, USA
Lucas is a Solutions Architect at Apollo Graph, working with companies on GraphQL implementations at scale. Prior to his time at Apollo Graph he worked at Twitch, helping game developers bring new experiences to the site. When not working, he spends his time gaming and exploring NYC.
Clément Pasteau
Clément Pasteau
GDevelop, France
Clément is a software engineer passionate about creating applications of quality at speed, making sure he can be involved in every aspect of the development. Currently CTO of GDevelop, he’s a big believer in Lean, ensuring the best quality in the apps built by improving Developer Velocity.
Cyrus Roshan
Cyrus Roshan
Jam.dev, USA
Engineer at Jam.dev, ex-Cloudflare, very-full-stack engineer who aims to solve customer problems by whatever engineering means necessary.
Stuart Malt
Stuart Malt
Comnoco, United Kingdom
Stuart is the founder of Comnoco, a visual programming tool for backend dev. His current interest is in turning frontends into full stack apps, by building scalable code agnostic functions, using no-code and AI. Having built and worked with different business automation software he advocates for faster, more accessible dev. He has two daughters and one dog. In his free time, when he's not learning new technologies he's probably walking the dog
 Cyril Bonaccini
Cyril Bonaccini
BAM, Paris
Staff Engineer @bam_lab. I focus on architecture & security guidelines, training, and providing the best tools to our teams to create awesome React Native apps.
Felix Wotschofsky
Felix Wotschofsky
Kombo, Germany
As long as I can remember, I've always been fascinated by computers and have loved creating things. So for the last 8+ years, I have been shipping a bunch of fun (and serious) stuff. Currently building the unified API for HRIS, ATS and Payroll as Engineer at Kombo (YC S22) in Berlin.
Kevin Uehara
Kevin Uehara
IFood, Brazil
Kevin Uehara is a Frontend Engineer at iFood and an active Google Developer Groups Campinas (GDG) collaborator. Recognized twice as a Microsoft MVP for his contributions to the tech community, Kevin is also the organizer of FrontIn Campinas, as well as an international and national speaker and tech content creator. Based in Brazil, he is passionate about sharing knowledge and inspiring other developers in the frontend ecosystem.
Mikhail Korolev
Mikhail Korolev
Toptal, Poland
Software engineer of over 10 years, currently occupied with all the things about front-end infrastructure and developer happiness. Talk to me about the Web Platform, browser guts and specialty coffee!
Tally Barak
Tally Barak
Yoobic, Israel
Tally has over 30 years of software development, product management, and consulting experience. Today Tally works for Yoobic as an architect responsible for all the Frontend tooling, testing, and DevOps processes. Tally loves Javascript and its ecosystem and is happily sharing this knowledge with other developers. Playwright Ambassador.
Burak Güneli
Burak Güneli
Uberall, Senior Frontend Engineer, Germany, Berlin
Senior Frontend Engineer at Uberall. I strive to understand how things work under the hood to unravel their mysteries, especially in JavaScript. Also I'm very interested in sustainable web development.
Marcela State
Marcela State
Cognizant Romania, Romania
With over 14 years of extensive engineering experience, I am a seasoned QA Engineering Manager with a profound passion for technology, a strong affinity for open source, and an unwavering commitment to fostering vibrant and inclusive communities.
John Adib
John Adib
Zapp, UK
Mentorship available
Senior lead software engineer with 16+ years of experience building large-scale platforms and leading multi-million dollar projects. Co-founder of multiple startups, open-source contributor, and UK Global Talent Visa holder. Named World’s Most Influential Mentor and #1 Mentor in Europe by ADPList. Former WorldSkills medalist and expert in IT Software Solutions.
Sean Landsman
Sean Landsman
AG Grid, UK
Get started with AG Grid React Data Grid with a hands-on tutorial from the core team that will take you through the steps of creating your first grid, including how to configure the grid with simple properties and custom components. AG Grid community edition is completely free to use in commercial applications, so you'll learn a powerful tool that you can immediately add to your projects. You'll also discover how to load data into the grid and different ways to add custom rendering to the grid. By the end of the workshop, you will have created an AG Grid React Data Grid and customized with functional React components.
Sergio Mendonça
Sergio Mendonça
Delivery Hero (Pandora), Germany
Sergio Mendonça is an engineering leader and former CTO with a strong background in hands-on architecture and distributed systems. He is currently an Engineering Manager at Delivery Hero (Pandora) in Berlin, where he leads teams working on mission-critical order and settlement systems. Previously, he co-founded and served as CTO of Mettzer, an edtech platform, where he led product scaling, payments/subscriptions, and engineering operations.
Leo Kettmeir
Leo Kettmeir
Deno, Netherlands
I am a software engineer at Deno who works on developer experience, implementing web APIs, improving auto-generated documentation, and more. When I am not programming, I tinker with 3D printers & fly drones.
Shivangi Das
Shivangi Das
Software Engineer at BJSS, UK
Software Engineer with 10 years of experience in the information technology, financial services industry, and public sector working on multi-million-dollar products. Shivangi is passionate about promoting women in tech and helping them get paid more.
Andrew Coleburn
Andrew Coleburn
Bitovi, USA
Andrew is a theatre kid turned software developer. He got his BA in psychology and theatre from Hobart College and his MA from the University of Central Florida. After a range of disparate adventures including acting, consulting, teaching, and recruiting, he attended the full-stack software engineering program at Thinkful, after which he joined Bitovi as a React Developer. Andrew consults for Fortune 500 companies like Yum and Aflac, helping them build high performing and scalable React applications Originally from Massachusetts, he currently lives with his partner in Buffalo, NY. In his free time you'll probably find him cooking, reading, board-gaming, skiing, or cheering on the Boston Bruins. Mostly just that last one.
Anna Backs
Anna Backs
Codecentric, Germany
Anna Backs is an APM consultant and software developer working for codecentric. When she is not outside with her dog or absorbed in the world of Shadowrun, she is usually found building some thing or another in JavaScript. She loves coffee, good stories and learning new things.
Anemari Fiser
Anemari Fiser
Independent Tech Lead Trainer, Barcelona
Mentorship available
Anemari Fiser is a tech leadership trainer, coach and O’Reilly author of Leveling Up as a Tech Lead. With over a decade in tech, she has coached 500+ engineers and trained 400+ tech leads worldwide, and shares practical leadership insights on LinkedIn with a community of 30,000+ tech professionals.
Murat K Ozcan
Murat K Ozcan
Extend, USA
Murat was born in Turkey and has lived around Chicago for over 20 years. He graduated from Illinois Institute of Technology with a computer engineering bachelor's and contributed at Siemens for over a decade. He is married with two daughters; 9 and 11 years old. He lives to do corrective deeds; learn, teach, fix what is broken, improve and optimize all things around at work, open source, and home life. He is a tech enthusiast in love with testing, development, devops, web and cloud. Currently he is a Staff Engineer & Test Architect at Extend.
Mark Heistek
Mark Heistek
Lasciva B.V., Netherlands
DevOps, Agile/Scrum and Continuous Delivery coach especially within enterprise organizations. Improving people, processes and techniques is what I constantly do. In the end it's the results that matter!