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!

Stacy Cashmore
Omniplan, Netherlands
Speaker, author and software developer. Stacy has been developing solutions since the mid-1990s in various industries ranging from facilitating contract jobbing to allowing consumers to close a mortgage without the help of a financial adviser – with lots in between.
She has a passion for sharing knowledge: using storytelling to share her experiences to help teams grow in the ways that they develop software and work together, and performing live coding demonstrations to inspire others to try new technologies.
In 2022 Stacy released her first book, aimed at helping developers get started building dynamic applications using C#, Azure Functions and Azure Static Web Apps.
For her effort in the community, Stacy has been awarded the Microsoft MVP for Developer Technologies since 2020.
Anuradha Kumari
VodafoneZiggo
Anuradha is a frontend developer, working on making the web more accessible, one website at a time. She is passionate about exploring new technologies and sharing knowledge through tech articles and talks. She has been recognized as GDE, MVP, MDE, and WTM Ambassador. As an accessibility advocate, she aims to spread awareness and empower the community toward achieving the common goal of inclusion through technology. When she is not coding, she loves traveling, exploring museums, reading books, and sketching.

Lukas Fischer
NETNODE AG, Switzerland
Lukas Fischer is the founder of NETNODE AG, a leading Swiss Drupal agency. With over 20 years of experience in the digital industry, Lukas is at heart a programmer, a digital strategist by design, and has focused his career on pushing the boundaries of technology and innovation. As a curious explorer and forward-thinking thinker, he has played a significant role in helping organizations stay one step ahead in the constantly evolving digital landscape.

Alex Lobera
Miro, UK
Alex is an experienced engineer and decision maker with over 18 years of experience in the software industry. He is currently focused on scaling large organisations by breaking up front-end monoliths. Alex is passionate about open-source software and all things Web. Staff engineer @Miro. Co-Founder of several startups.

Maya Nedeljković Batić
Linear, Serbia
Maya is a software engineer who has been creating complex frontend products for almost a decade. From workflow editors and no-code expert knowledge automation, to data labeling tools for image, video and medical data, she’s seen it all—or at least a lot of it. She studied fine arts painting and game development, but her passion is JavaScript and the web. She is bridging the gap between these different worlds with explorations in Three.js, WebGL, and 3D art.

Brittany Joiner
PixieBrix, USA
Brittany Joiner is a marketer turned developer that now brings her skills together as Head of Developer Relations at PixieBrix! She loves building automations, tools, and toys, and she's super passionate about helping folks transition to tech careers. You'll find her traveling the country in her camper with her wife, pup, and three cats.

Fahad Heylaal
DAZN, Netherlands
Principal Engineer at DAZN. Open Source Enthusiast. Creator of Featurevisor.

Bret Little
Shopify, USA
I work at Shopify on Hydrogen, an open source e-commerce framework built on top of Remix. Previously I worked on Lightning Web Components and the Lightning Web Runtime at Salesforce, and I was a core team member of Single-spa, a JavaScript router for micro front-ends. Outside of web development, you'll find me canoeing and backpacking in New England.

Stephen Cooper
AG Grid, UK
Stephen is the Team Lead for AG Grid and loves sharing practical, experience-based tips, tricks, and case studies from years in the codebase. He's gone deep into grid performance and framework integrations, and has spent more time than he'd like profiling render cycles. Outside of work, life revolves around family, four kids and two dogs, and he's happiest when the whole crew is out together exploring in the park.

Norbert de Langen
Chromatic, Netherlands
Norbert de Langen is a full-time open-source maintainer of Storybook working for Chromatic, the company behind Storybook.

Rubén Sospedra
Digg, Spain
Barcelona-based engineer with a Political Science background and a lifelong passion for automation. 13+ years in the game. I started by founding a remote startup, then moved through teams of every size. I thrive on complex problems. I ship at the highest standard and build for growth. AI is a multiplier in my toolkit, not a crutch. I give back through open source, conferences, and mentoring. Knowing when to move fast and when to get it right is the skill behind every other skill. Great software lives at the intersection of ambition and pragmatism.

Felix Zhang
Meta, USA
Software Engineer at Reality Labs, Meta. Project lead of Immersive Web Emulator (IWE) and Immersive Web Emulation Runtime (IWER). Founder of EliXR Games.

David Corbacho Roman
Wunder, Finland
Señor Developer at Wunder. Originally from Spain, I've been living in Finland for more than 10 years, focusing my career on web development and JavaScript.

Trust Jamin
Uploadcare, London, United Kingdom
Trust Jamin Okpukoro is a developer advocate and senior technical writer with a strong background in software engineering, community building, video creation, and public speaking. Over the past few years, he has consistently enhanced developer experiences across various developer products by creating impactful technical content and leading strategic initiatives. His work has helped increase product awareness, drive user engagement, boost sales, and position companies as thought leaders within their industries.

Endel Dreyer
Colyseus, Brazil
Endel is the creator of Colyseus, an open-source multiplayer framework for Node.js.

Isaac Mann
Narwhal Technologies, USA
Isaac is an Architect at Narwhal Technologies. He helps maintain the documentation for Nx at nx.dev and has created two video courses available at nxplaybook.com. Isaac is an Instructor at egghead.io with a focus on component design and xstate.

Danny Povolotski
Gator Labs, Turkey
Software engineer with experience in a diversity of programming languages, tool kits and environments.
Founder of Nobilitix - an application design & development agency that specializes for enterprise applications with IoT and hardware elements.

Juan Cruz Martinez
Okta, Germany
Juan helps people learn tech skills so they can level up their life. Founder of http://thecodeenigma.com, content creator, and Oktanaut!

Daniel Afonso
PagerDuty, Portugal
Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. He is passionate about learning and teaching and has spoken at multiple conferences around the world about topics he loves. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Julio Arruda
GFT Technologies, Brazil
Wynxx Chief Architect at Grupo GFT | 9x Microsoft MVP | First Brazilian GitHub Star | LinkedIn Official Instructor

Pedro Filho
Blockchain.com, Portugal
Likes to work closely with UI and UX, and collaborate with product owners/managers to solve business problems.

Russell Fustino
Algorand, USA
Russ Fustino is a Developer Advocate on Blockchain for Algorand helping developers learn how to build Blockchain solutions. Russ is a Microsoft MVP reconnect in App Development and a former Developer Evangelist for Microsoft. Fustino has a passion for conveying relevant, current, and future software development technologies and tools. He shares that knowledge via live seminars, teachings, and internet video productions. Russ has enlightened, entertained and educated over one million developers over the course of his career. He is a recipient of the INETA Lifetime Achievement Award.

Jason Williams
Bloomberg LP, UK
Jason Williams is a Senior Software Engineer at Bloomberg LP in London, UK, focusing on performance. His work in performance includes collaborating with the W3C Web Performance Working Group to bring Container Timing to the web, a more accurate improvement over Largest Contentful Paint. He has also collaborated on V8 improvements, bringing heat snapshot times down from 10 minutes to 6 seconds.
In the open-source community, he is the original author and developer of Boa, an open-source JavaScript engine written in Rust.
He is heavily involved in the evolution of ECMAScript, serving as an author on the Stage 4 proposal for Promise.allSettled, which ensures all promises settle before returning results. He is also a champion for the Stage 3 Temporal proposal (for which Boa’s temporal_rs the implementation used in Chrome), which aims to provide standard objects and functions for working with dates and times in ECMAScript.

Mackenzie Jackson
GitGuardian - Developer Advocate, Netherlands
Mackenzie is a developer advocate with a passion for DevOps and code security. As the co-founder and former CTO of a health tech startup, he learnt first-hand how critical it is to build secure applications with robust developer operations.
Today as a Developer Advocate at GitGuardian, Mackenzie is able to share his passion for code security with developers and works closely with research teams to show how malicious actors discover and exploit vulnerabilities in code.