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!
Moritz Gruber
Moritz Gruber
Caisy, Germany
From an early age, Moritz was fascinated by computers and technology. This passion led him to pursue a degree in IT and while still studying, Moritz met his future co-founder. The duo quickly started the journey of founding their own tech startup in the headless CMS domain: caisy. As the CTO of caisy, Moritz melds his robust background in software development with an entrepreneurial passion. He has one clear mission building the core of his work: to simplify content management for fellow developers.
Santosh Viswanatham
Santosh Viswanatham
Arcesium , India
Santosh is a Principal Engineer at Arcesium, an Open Web advocate, and a former Ambassador at the Interledger Foundation. He is passionate about building things with JavaScript. Santosh was previously a Tech Speaker and a Participation Leader at Mozilla. As a Tech Speaker, He delivered talks on JavaScript, WebVR, Cross-Platform browser extensions, and Devtools in the past. In recognition of his contributions to Mozilla, his name is featured in the about:credits of every shipped Firefox browser.
Andrew Hao
Andrew Hao
Lyft, USA
Andrew is a Staff Engineer at Lyft, where he builds products for Lyft's riders. When it comes to engineering, he's especially passionate about Web performance, machine learning and systems design. When it comes to people, he loves learning about what makes people tick and building high performing teams. In a prior life, he was a Principal Engineer at Carbon Five and an Engineering Manager at Blurb Books. He lives in Oakland with his family where he spends his free time running the streets and trails, dreaming about the day we'll be able to race in person. Online, he writes at https://www.g9labs.com
Eric Fennis
Eric Fennis
Lucide Icons Creator, Netherlands
Eric Fennis is a front-end software engineer from the Netherlands. The creator and maintainer of Lucide Icons, an open-source icon library that is used by millions of developers and designers worldwide and is among the top icon libraries in the industry. He created many packages to use Lucide in React, Vue, Svelte, Solid, and more. He aims for the best developer experience and performance for using icons in applications.
Paolo Insogna
Paolo Insogna
Platformatic, Italy
Node.js TSC Member, Principal Engineer at Platformatic, Polyglot Developer. RPG and LARP addicted and nerd on lot more. Surrounded by lovely chubby cats.
Cristobal Chao
Cristobal Chao
Torii Studio, USA
Cristóbal Chao is a software engineer, UX specialist and founder of Torii Studio. He crafts frontend systems that are expressive, fast, and rooted in storytelling. His work blends the boundaries of design and engineering—whether he’s animating particles in WebGL, or helping teams scale React apps with soul. Previously, he worked at Google and co-founded multiple creative tech products.
Giulio Zausa
Giulio Zausa
Flux.ai, Austria
Giulio is an Italian software engineer working at Flux and contributing to open source with Poimandres. He's deeply passionate about pushing the web platform to its limits, building things like custom React reconcilers, real-time computer vision on Web Workers and flex layout engines for THREE.js.
Arun Michael Dsouza
Arun Michael Dsouza
Bloomberg, UK
Computer programmer from India currently building enterprise products for the web. Tech speaker, open source software author and contributor. Community leader for React Delhi-NCR and Open Source Delhi. Plays drums (occasionally), loves travelling, listening to rock music and playing video games.
Lili Kastilio
Lili Kastilio
Snyk, UK
Working closely with customers designing & building TypeScript solutions. Recently a Lead Engineer at Snyk working on extending our current languages offering by introducing new languages and language specific concepts into our system in the shape of libs, parsers and microservices. When not coding I like to spend my time hanging upside down doing circus things.
Luca Del Puppo
Luca Del Puppo
Nearform, Italy
I'm a Senior Software Engineer, Former Microsoft MVP, Google Developer Expert Codemotion Ambassador and GitKraken Ambassador. I love JavaScript and TypeScript. In my free time, I love studying new technologies, improving myself, creating YouTube content or writing technical articles. I can’t stay without trail running and love to do it in my love Dolomiti.
Jonas Kruckenberg
Jonas Kruckenberg
CrabNebula, Germany
As a self-taught web developer, I quickly discovered my love for lightning-fast software - whether it's a website or an app. This passion has sent me on a long journey from fine-tuning websites to exploring the exciting world of Local First Software and peer-to-peer networking. Along the way, I can't help but ponder what our digital will look like, and how we can make it more secure, privacy-focused, and beneficial for humanity. Putting my money where my mouth is, I’m currently working on Tauri, a framework to build smaller, faster and more secure apps.
Fredrik Björk
Fredrik Björk
Grafbase, Sweden
Founder & CEO at Grafbase
Tamar Twena-Stern
Tamar Twena-Stern
XM Cyber, Israel
Tamar is a software developer, manager and architect. She has a decade of software engineering experience in various technologies: Server side, big data, mobile, web technologies, and security. She is currently focusing on Node.js, and has a deep knowledge of Node.js server architecture and Node.js performance optimisations.
Dylan Jhaveri
Dylan Jhaveri
MUX, USA
Dylan is a Senior Software Engineer at Mux, a startup building online video infrastructure for developers. Dylan works on the DevEx team to help developers deliver smooth video to their users. Previously he co-founded Crowdcast, a live video streaming platform.
Dotan Simha
Dotan Simha
The Guild, Israel
Creator of the GraphQL Code Generator library. Open source developer. CTO @ The Guild
Jonathan Baker
Jonathan Baker
Shopify, USA
Staff Developer @ Shopify
Fredrik Höglund
Fredrik Höglund
ephem.dev, Sweden
Fredrik is currently a freelance consultant and has been working with and been weirdly fascinated by React Server Rendering for the last 8 years. He is a React Query contributor, has written his own custom server renderer(s), and though he wishes he had time to contribute more actual code to open source than he currently does, his issues, discussions, suggestions and explanations on mostly SSR-related matters litters many corners of GitHub and the wider internet. He lives in Stockholm, Sweden, is a Cognitive Scientist by education and likes brewing beer in his free time, that is, when he isn’t playing Zelda with his kids. Zelda is incidentally also the name of his dog.
Håkan Silfvernagel
Håkan Silfvernagel
Miles AS, Norway
Håkan holds a Master of Science degree in Electrical Engineering and in addition, he holds a Master’s degree in Leadership and Organizational behavior. He has also taken courses on university level in psychology, interaction design and human-computer interaction. He has 20 years’ experience of software development in various positions such as developer, tester, architect, project manager, scrum master, practice manager and team lead. Håkan is Chairman of the local chapter of the Norwegian .NET User Group Oslo (NNUG) and is active as an Ambassador for Oslo.AI the local chapter for the global City.AI community. Håkan is a Microsoft Most Valuable Professional (MVP) in AI. Currently, Håkan is working as Manager AI and Big Data at Miles AS, a Norwegian consultancy company.
Jenny Truong
Jenny Truong
Stately.ai, USA
As the Head of Operations and Developer Relations at Stately.ai, Jenny also dedicates her time to co-organizing Orlando JS meetups. Based in the heart of Orlando, Florida, Jenny is a passionate advocate for her community, imparting valuable insights on mental awareness, state machines, and various collaborative tools. When she's not engaging with users or gracing the stage, you can spot Jenny at your favorite local donut shop, savoring the simple joys of life!
Taley'a Mirza
Taley'a Mirza
GDE, Deliveryhero, ex-Careem, Germany
Mentorship available
Taley’a is a software engineer, she has been helping many teams in building and maintaining the frontend architecture of products over the last 8 years. She has worked mostly with JavaScript & React, but has experience in many other web and mobile technologies. She is open contributor in community and likes to speak in community events and conferences. She is an advocate for accessibility and women empowerment. She has interest in reading, art and traveling.
Kasia Jastrzebska
Kasia Jastrzebska
Cleo, Poland
Design System Tech Lead at Cleo. Frontend Engineer for ages with a huge passion for CSS (and design systems!). Horse rider ;)
Evyatar Alush
Evyatar Alush
Meta, Israel
Evyatar is a Front End Engineer at Meta. He is a strong advocate for open source software and is the author of several high-profile projects, including Vest validation framework and emoji-picker-react. Evyatar is passionate about API design, dev ergonomics, and building tools for developers.
Jamie Maria Schouren
Jamie Maria Schouren
DEITY, Netherlands
Jamie Maria started as a native app developer but soon jumped into the world of JavaScript, Progressive Web Apps and Service Oriented Architectures. Driven by the urge for innovation she co-founded DEITY with the aim to improve the online world around her by introducing middleware and SOA as a standard to any e-commerce platform.
Vinicius Dallacqua
Vinicius Dallacqua
Neuve | Founder, Sweden
Brazilian born, previously Spotify and Klarna, now building browsing agents and the future of personal software