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!
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.
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).
Witek Socha
Witek Socha
CKEditor, Poland
Currently working with the CKEditor 5 core team on the editor framework, its ecosystem, and developer experience. Ex-developer turned into a product person but still codes for fun and brain practice. Strong opinions weakly held, and often overruled by his two kids.
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.
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.
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.
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.
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.
Brandon Dail
Brandon Dail
Discord, USA
Senior engineer leading accessibility at Discord. React.js core collaborator once upon a time.
Ameer Sami
Ameer Sami
S&C Electric - Staff Software Engineer, 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.
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.
Ganesh Divekar
Ganesh Divekar
Bajaj Technology Services, India
I am a tech content creator and AI engineering professional with 25.5K+ followers across LinkedIn, Instagram, GitHub, and Medium. I regularly share insights on JavaScript, AI/ML, and modern web development, along with hands-on demos, tutorials, and conference highlights. As a speaker and mentor at global tech events, I engage a diverse audience of developers, students, and tech enthusiasts worldwide. My content blends deep technical knowledge with accessible explanations, helping my community stay ahead in the rapidly evolving tech landscape.
Henrique Inonhe
Henrique Inonhe
Codeminer42, Brazil
Henrqiue Inonhe is a software developer at Codeminer42. He currently works mostly with Javascript and is a static type maniac.
Anastasiia Zvenigorodskaia
Anastasiia Zvenigorodskaia
Founder of Have a Plan consulting, Spain
• 13 years in tech - Chief Operating Officer with a strong development background, business analytics expertise, and an AI-driven approach • Open Source advocate & Public speaker • Growth Consultant for tech and outsourcing companies
Dipanshu Gupta
Dipanshu Gupta
Red Hat, India
I am a Software Engineer at Red Hat, specializing in front-end development for cloud-native applications. My work focuses on building intuitive and performant user interfaces for OpenShift AI and other open-source projects. I am passionate about using React and related technologies to create seamless user experiences that empower developers and the community.
Victor Cordova
Victor Cordova
Travelperk, Spain
I'm a Software engineer obsessed with solving people's problems through easy to change and easy to test software. I'm in love with the web platform so I specialize in web technologies such as JavaScript, React, CSS, HTML, and Node.js. I've designed and implemented web applications in small and large organizations for clients on 4 continents. I'm currently working on making the ultimate flight booking experience for companies at TravelPerk. I also blog about software engineering and web development on my personal website victorandcode.com, https://dev.to/victorandcode and hackernoon.com/u/vcordova.
Sam Komesarook
Sam Komesarook
Laminar, London, UK
Sam Komesarook is Head of BD at Laminar, building the premier agent behaviour analysis tool.
Calin Tamas
Calin Tamas
Around25, Romania
Building mobile apps. I aim to write reliable and well-documented software.
Sergey Bocharov
Sergey Bocharov
ETG, UK
I’m a Senior Frontend Engineer at ETG, passionate about the Web and modern browsers. My expertise includes JavaScript, Node.js, and React, with a deep focus on building scalable, high-performance applications and crafting seamless user experiences.
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.
Nick Marino
Nick Marino
ReadySet, USA
Nick Marino is a backend developer at ReadySet, where he helps build the Rust code that powers ReadySet’s caching systems. In his past career, he’s had extensive experience writing Erlang code, and has worked on database systems at Basho and Datometry, as well as a variety of telecom systems at other companies. He lives in Rochester, NY with his spouse Tasha and his dog Astrid, and he enjoys spending his spare time reading, playing cello, and practicing aerial arts at the local circus school.
Jason Green
Jason Green
Threads Styling, UK
Jason’s passion for the digital world has taken him across the entire spectrum of the creative process, from conceptualization to deployment. Jason is now Director of Technology at Threads Styling, building a platform to empower personal shoppers and power the future of chat commerce.