JavaScript experts, mentors, speakers

Creative coder, all about Javascript, WebGL and optimisation. Creator of PixiJS.

Open source maintainer for Fastify. Software Engineer at Microsoft. Loves hiking and skiing.

Grgur is Director, Engineering at Modus Create and also your friendly neighborhood JavaScript engineer who loves connecting business with technology. Grgur loves telling stories and anecdotes, fueled by the experience of working with dozens of Fortune 1000 companies since 2005. He also enjoys talking about sourdough baking, latte art, and brean-to-bar craft chocolate.

Software Architect @ karriere.at – Crafting resilient and sustainable software solutions. Professional Web Developer for 12 years. I specialize in Vue.js and am a strong advocate for Test-Driven Development.

Second best TypeScript YouTuber who happens to run dev tools company. Known primarily for memes, hot takes, and building useful things for devs such as UploadThing and the T3 Stack.

Creative Engineer, passionate about Front-end Development and sharing knowledge. Open source contributor on VueJS and Nuxt related projects. Learning 3D modelling and WebGL. Storyblok Ambassador. Lead of micheladas. I love penguins.

Amy has over 22+ years of web experience and have expertise in product design, frontend, and backend development. She's developed multiple technology courses and written curriculum for the University of Florida, in their Master’s program. She has spoken at conferences around the world about full stack development. Her podcast, http://Compressed.fm supports thousands of developers with design and engineering tips. She has built hundreds of websites and products for enterprise companies, startups, and even major recording artists. She lives in Nashville, TN with her husband, 3 adorable children, and 2 dogs.

Ioana is an engineer manager flavored in communities, and devrel, that has more than 12 years of experience in tech with a specialization in mobile apps and web. Sr. Engineering Manager at Interledger Foundation. She is the Module Owner for Mozilla Reps, one of the alumni of MozTechSpeakers, and stands as an ambassador for CodeWeek at the European Commission. In her free time, she contributes to Open Source and different volunteering programs, while enjoying a coffee or a good wine.

Tom Ballinger is a software engineer at Convex. He's taught compiler and computer architecture courses and facilitated at the Recurse Center primarily by goading people into writing BitTorrent clients. He's going to switch from vim to VSCode any day now.

Knut Melvær (b. 1985) is a graduate in the study of religion\s who has pivoted into technology. He is currently working as Head of Developer Relations at Sanity.io. Previously he has been a senior technology consultant at Netlife, a reknowned Norwegian UX- and Design Agency. Before that a PhD Fellow at the University of Bergen. As a technology consultant, he has held workshops in user research, technology strategy, and web development. He has been involved in projects with a wide range of clients such as Energi og Klima, NDLA, Enivest, Fearnley Offshore Supply, Norwegian Fund and Asset Management Association, Warner Music, De Bergenske Hotels, The Norwegian Government Agency for Financial Management, U4 Anti-Corruption Resource Centre, The City of Oslo, and Gjensidige. Knut has extensive experience in research, dissemination, teaching, and writing. He has organized and taught courses from undergraduate to graduate level at university. His fields of study have been quantiative and qualitative methodologies in the study of religion, the evolutionary and cognitive science of religion, new religiosity, and digital humanities. He has done podcast interviews of Holberg Prize laureates and been a columnist in newspapers like Klassekampen, Sysla, and Morgenbladet.

Ankita is an Creator Educator and Youtuber and creates educational content that helps developers level up in their careers such as her creates digital products such as her E-book on taking control of your first 90 days as an Engineering Leader, her courses on Next.js or Engineering Leadership. She has Taught 10,000+ students online. In the past, she has worked as a Senior Technical Leader, Solution Architect and Tech Lead. She has architected and scaled many web and mobile apps for clients using React, GraphQL, React Native and Next.js and Spent over 10+ years in Tech at the intersection of Front-end and Leadership.

Zack DeRose is Senior Engineer for Narwhal Technologies, where he works to build a better world through tech! In addition to the enterprise consulting done at Narwhal, Zack is very interested in content creation and teaching others! When not building web applications at scale, Zack enjoys a robust family life at scale, living in Phoenix AZ with his wife and 6 kids.

Younes Jaaidi is a Software Cook who enjoys whipping code until tests pass. Raised in the eXtreme Programming kitchen some 20 years, he now teaches and coaches teams — perhaps yours next — to cook better software using ingredients such as Test-Driven Development, Charted Coding, and Collective Ownership. He's also an Angular Google Developer Expert, an Nx Champion, and a mediocre sailor. His favorite spice: sleep 300 && git reset --hard

CEO Theatre.js, designing a design tool – blurring the line between designer/developer, author/consumer, and artist/scientist.

Manuel is a full-stack software engineer and TypeScript specialist, and a core contributor to TanStack Router and TanStack Start.

David Blass is a full-time open source TypeScript developer and author of ArkType, a 1:1 validator for TypeScript. ArkType is the first validator to include a static parser that can infer TypeScript’s syntax as well as a full type system that can compare arbitrary pairs of types for assignability and automatically discriminate unions. Predictably, David loves parsers and types, but also bow ties and his wife’s vegan cooking. He lives with her and their 5 pets in Boston, Massachusetts, and is currently pursuing funding to continue working on ArkType full-time!

Innocencia Ndembera is the Co-Founder and Chief Operating Officer of Chip In Limited, a forward-thinking software engineering company committed to revolutionizing agriculture and financial inclusion in Malawi. With a passion for using technology to drive social impact, she leads initiatives like Sunga, a financial platform tailored for underserved communities, and Chip In Agriculture, a project that connects farmers with buyers for sustainable economic growth. As an advocate for women in tech, Innocencia also founded Women in Tech Malawi and serves as a Women Techmakers Ambassador, championing diversity and inclusion in the tech industry.

Cecelia Martinez is a Developer Advocate for Appflow at Ionic, a company that helps web developers build cross-platform applications using modern technology. She is dedicated to creating better, more inclusive developer experiences for all. Previous companies include Cypress and Replay, with areas of expertise including web & mobile development, testing, developer tools, and open source. She is a Lead Volunteer with Women Who Code FrontEnd, Chapter Head of Out in Tech Atlanta, and a GitHub Star.

Marie is currently a Developer Advocate at k6.io, a Grafana Labs company. In the past, she has been an Engineering Manager, a Principal Engineer and a Test Consultant. She is also a tech blogger at testingwithmarie.com, an accessibility advocate and an online course instructor at Ministry of Testing and Test Automation University.

Web Game Developer and Technical Evangelist, Enclave Games indie studio founder, js13kGames competition creator, Gamedev.js community firestarter and Gamedev.js Weekly newsletter publisher. Excited about cutting-edge Web technologies like WebXR, Progressive Web Apps, and Web Monetization API. Likes eating sushi and playing Neuroshima Hex.

Hands-On CTO | Software Architect | Principal Engineer | Consultant | Speaker | Mentor — AI Systems & Scalable Cloud Platforms With over 10 years of software architecture experience and over two decades of hands-on software engineering experience, I design and build production-grade systems — from cloud-native architectures to AI-driven workflows — with a focus on scalability, reliability, and long-term maintainability.

Louis is a co-founder of Vibe Kanban. A self-taught full-stack engineer, he's spent five years at the intersection of AI and developer productivity, from neural code search (2021) to LLM-based code translation (2024) to Vibe Kanban today. He also runs the AI Tinkerers London community.

Krzysztof is a photographer, globetrotter open-source maintainer, and public speaker. He works as a Senior Research Engineer at GitHub Next, where he designs and builds the next generation of developer tools such as GitHub Copilot. After the work, Krzysztof is an open-source software maintainer passionate about functional programming (especially F#), editor tooling and developer experience - he has created and maintained several OSS projects varying from language servers to web frameworks to VSCode plugins. Additionally, he is a passionate public speaker. You can meet him at many conferences around the world, where he is always trying to meet new people and learn how to make the lives of software developers better.

Lead Frontend Developer and CSS Evangelist. Editor of the @webstandards_en frontend news feed. The 5th voice of the Web Standards weekly podcast. Google Developers Expert on web. The organizer of conferences and local meetups. Friendly beard.