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!
Nathan Shively-Sanders
Nathan Shively-Sanders
Microsoft, USA
Nathan is an engineer on the Typescript team, working on Javascript support and open source community, including Definitely Typed. He has a Ph D in linguistics from the time he made a machine classify Swedish dialects using syntax. The common thread is that Nathan loves writing programs to understand messy linguistic systems. For fun, Nathan enjoys video games, a wide variety of reading, and hiking with his family around the Pacific Northwest.
Connor Lindsey
Connor Lindsey
Grafana Labs, USA
Connor works on tracing at Grafana Labs. Previously, he contributed to OpenTelemetry while at AWS.
Andy Richardson
Andy Richardson
GraphCDN, UK
Andy is a Software Engineer at GraphCDN and maintains of a number of Open Source projects including urql devtools and Fielder. Not a pro at tennis but is always down for a hit 🎾
Siriwat (Jun) Kunaporn
Siriwat (Jun) Kunaporn
MUI, Thailand
Jun is a Software Engineer at MUI, where he works on Joy UI and improves the developer experience. He enjoys coffee in the morning and watching series in his free time.
Nikhil Kumaran S
Nikhil Kumaran S
Cloudera, India
Hi, I'm Nikhil Kumaran S, Frontend developer with expertise in Reactjs. I currently work at Cloudera. I have a passion for knowledge sharing. I share my knowledge by writing blog posts, giving tech talks at conferences, and mentoring people on Frontend development.
Nicholas Yang
Nicholas Yang
Vercel, USA
Nicholas is a software engineer at Vercel working on Turborepo. He lives in Brooklyn, New York. He likes to cook, watch movies, and travel. He's working on a chili oil business on the side.
Olayinka Atobiloye
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.
Paulo Ragonha
Paulo Ragonha
Mojang Studios, Sweden
Paulo is currently a tech lead at Mojang Studios, where he is helping improve the UI/UX of the biggest game in the planet (Minecraft). Natively from Brazil, he has moved to Sweden six years ago, enough time to adapt to the cold weather and even enjoy commuting with his bicycle during snowstorms. In the past, he has also ventured in book writing, having published books on automated testing in JavaScript.
Marek Kalnik
Marek Kalnik
BAM, Paris
Co-founder and CTO of BAM
David Cortés Fulla
David Cortés Fulla
Shopify, Spain
Development Manager in the React Native Foundations team.
Chris Smith
Chris Smith
Retool, USA
Chris Smith is a developer evangelist at Retool, where he helps developers to rapidly code internal tools. He is a hacker at heart ever since learning QBASIC in middle school and is passionate about the power that learning to code brings to an individual. He’s worked for 6+ years in the world of low-code tools to empower developers to do more in less time. He’s passionate about visual abstractions and ways of quickly conveying and understanding complexity. Prior to Retool, Chris worked at Tray.io, JunoVR, Segment, and National Instruments.
Interests:
Oliver Barnwell
Oliver Barnwell
The Guardian, UK
I first developed an interest in programming in my early teens, making text-based adventure games in QBasic. After completing my degree in 2020, I stumbled out of the pandemic directly into the newly transformed fully remote world of work. In August ‘21 I accepted an offer to join the Guardian where I have been working on their identity platform migration. Outside of work I contribute to the Great British Public Toilet Map, an open source project dedicated to helping people find toilets across the UK. You can find me tweeting about life and work [@olliethinks](https://twitter.com/olliethinks).
Sangeetha KP
Sangeetha KP
Amazon, USA
Sangeetha is a Software Developer Engineer with 4 years of experience working with Alexa Companion App and the Amazon Shopping App at Amazon HQ. She is a Tech enthusiast and can be seen giving talks / workshops in universities/meetups in the United States.
Nikolay Matvienko
Nikolay Matvienko
Grid Dynamics, United Arab Emirates
Principal Architect and Node.js expertise leader at Grid Dynamics. Node.js and serverless consultant. Public speaker and https://cloud-machine.expert/ blog author.
Kræn Hansen
Kræn Hansen
MongoDB, Denmark
Kræn is a Senior Software Engineer at MongoDB contributing primarily to Realm JS and its related packages. 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 and their two twin girls. They recently added yet another newborn girl to their pack.
Aashima Ahuja
Aashima Ahuja
Freelance Consultant, Netherlands
I am a frontend engineer working. I am a JS enthusiast. I love talking about the Web and exploring new technologies. I believe knowledge grows with sharing , so I love to spread my knowledge about frontend.
Carly Richmond
Carly Richmond
Elastic, UK
Carly is a Principal Developer Advocate and Manager at Elastic, based in London, UK. Before joining Elastic in 2022, she spent over 10 years working as a technologist at a large investment bank, specialising in front-end web development and agility. She is a UI developer, who occasionally dabbles in writing backend services, a speaker and a regular blogger. She enjoys cooking, photography, drinking tea, and chasing after her young son in her spare time.
Jonathan Sheely
Jonathan Sheely
Decentology, United States, Lancaster PA
Architect and full stack developer, jack of all Typescript, Web3, .NET Core, Flutter, Kubernetes, Dev Ops, Networking, Monitoring, Analytics, Databases, APIs and all the things! Specializing in web3 content management and developer experiences.
Yuma Heymans
Yuma Heymans
HeroHunt.ai, United States / Netherlands
Yuma is the co-founder of HeroHunt.ai (the creator of AI Recruiter Uwi) and a thought leader on AI agents. Yuma is very bullish on building the new software revolution of completely autonomous agents who can work for companies on complete autopilot with a mental model of AI teams.
Andreas Roth
Andreas Roth
Esveo, Germany
Andreas is a developer, trainer and consultant for all things around the web. His favorite topics include TypeScript, React and GraphQL while still having an eye for the complete ecosystem.
Bjarke Felbo
Bjarke Felbo
Dusk, Denmark
Doing my best to boost JS game development by organizing React Jam and a $100k grant initiative for open-source games. Previously researched ML algorithms at MIT, incl. making an open-source AI algorithm now used to serve 300M+ daily users. Awarded Forbes 30 under 30 and Marvin Minsky fellowship.
Kræn Hansen
Kræn Hansen
MongoDB, Denmark
Kræn is a senior software engineer at MongoDB contributing primarily to Atlas Device SDKs (formerly Realm) and its related packages (totalling ~60K weekly downloads on NPM). He holds a masters degree in Computer Science from the Technical University of Denmark and has built 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). Kræn lives 30 minutes west of Copenhagen, with his wife, their twin girls and 1-yo baby girl.
Rotem Mizrachi-Meidan
Rotem Mizrachi-Meidan
Wix, Israel
Detox E2E team member. Rotem is a Software Engineer, open source advocate, passionate about Android, React Native, mobile performance, writing developer tools and Lego! In his current position at Wix, Rotem is leading the team working on Detox, and a few other infrastructure and testing tools.
Michael Tintiuc
Michael Tintiuc
Modus Create, Moldova
Michael is a full-stack engineer and designer with over a decade of commercial experience in multiple web and mobile technologies. An advocate and frequent contributor to open source software, Michael is the author of the ionic/vue library which allows developers all over the world to write Ionic mobile apps using the Vue framework. In his free time, he enjoys game development, contributing to Open Source, hardware modding and creating projects in new languages.