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 Principal 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.
Kajetan Świątek
Kajetan Świątek
SoftServe, Poland
Former construction engineer, now building software instead. Front-end developer, recent functional programming enthusiast. Enjoys learning new things and sharing his findings via blog posts or tech talks.
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.
Thomas Vidas
Thomas Vidas
Ionic, USA
Thomas is a cross-functional Software engineer with a focus on mobile and web applications. He currently works at Ionic as the Developer Experience Engineer on Capacitor. In his free time, he likes to compose music, create 3d art/animations, and participate in game dev jams.
Tamta Asatiani
Tamta Asatiani
CIDA, Georgia
I got into game development at the age of 15 thinking it would be a temporary hobby. It ended up being my entire life. I'm very passionate for innovative game design and currently have 3 mobile games, 2 browser games and 3 PC games released. I also have a small youtube channel about game development and game design.
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.
Michal Srb
Michal Srb
Convex, Czech Republic
Michal is a full-stack software engineer at Convex, who’s worked on all aspects of the Convex platform: From marketing and documentation to client and server libraries, authentication, database implementation, provisioning orchestration and billing. Previously he worked for 7 years on new products at Meta.
Joren Broekema
Joren Broekema
Netherlands
My background is in Industrial Design where I slowly fell in love with web development and code. I have been a front-end developer for almost 3 years professionally. I also like to dabble in backend and DevOps in my spare time or when work allows for it. I have started doing more workshops and trainings since the last year, and I created a project called code-workshop-kit where I try to use a combination of tools, some of which I created myself, to make code workshops work well remotely.
Thorsten Hell
Thorsten Hell
cismet GmbH, Germany, Tholey
I am Managing Director of cismet GmbH. cismet GmbH was founded in 2002 as a spin-off of the Environmental Informatics Group at the Saarland University of Applied Sciences and develops open source-based solutions in the municipal sector.
Misha Kaletsky
Misha Kaletsky
expect-type Creator, USA
Misha Kaletsky is an active open-source contributor, known for projects like expect-type, trpc-cli and eslint-plugin-codegen. Misha has specialized in C#, F# and TypeScript at Microsoft, since building out multiple healthcare startups from scratch, almost exclusively in TypeScript. He has a particular interest in developer productivity and type safety for large-scale applications. Misha lives across the river in Brooklyn with his wife and one-year old son (with a second due a few weeks before JSNation!).
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.
Mike North
Mike North
Elementum, USA
Mike is a passionate software engineer with an intense focus on community. His expertise has been spent organizing multiple meetup groups (React Utah, UtahJS, Free Code Camp), Improving training and content for local bootcamps and universities, running open source projects, and becoming a tech conference organizer and speaker. His goal is to help break barriers for those entering the tech industry.
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.
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.
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!
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.
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
 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.
Andre Kovac
Andre Kovac
Germany
Mobile and Web Engineer (React-Native/React) Data Science (Statistical Analysis and Machine Learning) Speaker and Trainer (Interactive Workshops, Science Communication, Talks) Teaching Chinese as André China Tiger on my YouTube channel
Loris Sigrist
Loris Sigrist
Inlang, Switzerland
Building open-source internationalization tooling at Inlang
Tim Damen
Tim Damen
ABN AMRO Bank, Netherlands
A passionate web aficionado with over a decade of experience, I've been involved in developing accessible web applications that have reached millions of people.
Darshan Bhatta
Darshan Bhatta
Ibotta, USA
Staff Engineer at Ibotta, formerly co-founder and CTO of OctoShop before its acquisition by Ibotta.
Yshay Yaacobi
Yshay Yaacobi
Livecyle, Israel
Yshay Yaacobi is the co-founder and CTO at Livecyle, an early-stage startup that specializes in collaboration on top of live environments. Yshay has more than a decade of experience with web and cloud technologies, has given local talks about various technologies and is co-organizer of the Rx-Israel meetup group. He is passionate about programming languages, functional programming, cloud and system architecture. Yshay is extremely interested in open source, and is the lead developer of Tweek (git.io/tweek) - a cloud native open-source feature manager. Over the last few years Yshay has been using Docker and Kubernetes heavily and has also given sessions in several cloud-native/devops meetups and events.
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.