JavaScript experts, mentors, speakers

My name is Maria and I'm a software engineer at Microsoft in the TypeScript team. I mostly focus on its language support in Visual Studio, but I also work in the JavaScript project system and the integration of other language servers into the IDE (like ESLint and Angular). When I'm not debugging mysterious code I didn't write, I enjoy giving my 2¢ to open source.

Milecia is a senior software engineer that's worked with JavaScript, Angular, React, Node, PHP, Python, .NET, SQL, AWS, Heroku, Azure, and many other tools to build web apps. She also has a master's degree in mechanical and aerospace engineering and has published research in machine learning and robotics. She started Flipped Coding in 2017 to help people learn web development with real-world projects and she publishes articles covering all aspects of software on several publications, including freeCodeCamp. In her free time, she spends time with her husband and dogs while learning to play the harmonica and trying to create her own mad scientist lab.

Ruth Mesfun is a Software Engineer at Teachers Pay Teachers. Her team was tasked to de-risk important pages that were dynamically rendered on mobile which they completed in two months. While learning all about SEO and mobile-first indexing she also is taking a class in beginner Japanese and finished a Financial Coach program.

SimpleX Chat (http://simplex.chat) founder - the 1st chat platform that does not have any user identifiers. Created Ajv JSON validator used by millions of JS apps.

Rishabh is a machine learning scientist working on ML techniques for recommendations in online marketplaces. He works on multi-objective decisioning, recommendations, marketplaces, personalization and experimentation. He has led various ML projects from basic research to production, with >10 product launches for 350+ million users.

Founder of Opral. Started building i18n infrastructure, and ended up creating inlang and lix.

Daniel is a Senior Developer Advocate at Weaviate - an open-source vector database. He spends a lot of his time curating music and writing (about) software. He is passionate about creating value through software online and working with developers

I'm a full stack dev from the Caribbean who loves Functional programming and Domain Driven Development. From python to elm to F# to Typescript, I like crafting software. I also spend quite a lot of time as a community manager, talking and working with other talented folks in the tech industry. Mostly I'm just trying to do good work and practice kindness in my habits.

I'm Jake and I'm a Senior Software Engineer at Microsoft working on TypeScript. I'm mainly focusing on performance and infrastructure, but still work on whatever's fun (or manages to nerd-snipe me)! Before TypeScript, I worked on Pylance and pyright on Microsoft's Python team.

Vova is a product engineer at Framer, where he works on removing boundaries of what's possible to achieve with creative tools and enabling new ways of building products. He's passionate about native browser ESM, Import Maps and web3.

Ramona is a Developer Advocate at Auth0. With a background in software engineering and quality assurance, she bridges the gap between testers and developers and fosters trust in identity topics. Ramona is also a Google Developer Expert in Web Technologies, a Women Techmaker, and a Cypress Ambassador.

Gregor Biswanger (Microsoft MVP, Intel Black Belt and Intel Software Innovator) is a freelance lecturer, consultant, trainer, author and speaker. He is a consultant for large and medium-sized companies, organizations and agencies for software architecture, web- and cross-platform development with C# and JavaScript. His key aspects are MEAN-Stack, ASP.NET-Core, Docker, Azure, Domain-Driven Design and Microservices. Additionally he is writing articles for known magazines and you can find attending or speaking at international conferences. Gregor Biswanger is one of the well-known .NET- and JavaScript-expert in Germany, Swiss and Austria. You´ll reach him here: http://about.me/gregor.biswanger

Will is dedicated to crafting exceptional developer experiences, that help us increase our understanding, creativity, and flow. Throughout his career, he's shared expertise building developer tools, organized meetups, and helped cultivate thriving technical communities. Now at North Developer, he leads the effort to elevate the developer experience of their APIs and payments platform, through clear documentation, practical examples, and by working with the developer community to solve their challenges.

Rob Richardson is a software craftsman building web properties in ASP.NET and Node, React and Vue. He’s a Microsoft MVP, published author, frequent speaker at conferences, user groups, and community events, and a diligent teacher and student of high quality software development. You can find this and other talks on https://robrich.org/presentations and follow him on twitter at @rob_rich.

Tech leader leveraging AI to solve real business problems. Built and scaled AI solutions across multiple ventures - from custom agent architectures to enterprise RAG systems and local AI deployments. My biggest passion is teaching others how to leverage AI effectively. I run a private AI community and a YouTube channel breaking down complex AI concepts into practical, hands-on guides. My content mostly covers building AI agents and leveraging AI coding assistants in ways that actually scale.

I'm a front-end developer. I create interactive web stuff using Vue js and Nuxt js. Some other frameworks and libraries I also enjoy working with include GSAP, Laravel ⚡️ and Jamstack (JavaScript, APIs + Markup). I love writing ✏️ articles about what I learn and share with Vue/Nuxt community. You can find my blog-posts on my website, which is also created using 👑 Nuxt js. Apart from this, I also love creating colour-coded diagrams. I create them to capture and document my learning. Diagraming have been an effective tool in my learning journey of Laravel, Vue js and of course, my absolute favourite, Nuxt js.

Mo is the Head of Mobile and a Tech Lead at Theodo UK, having worked on several projects with startups and established enterprises to create cross-platform mobile application in React Native. He's passionate about React Native, MobileDevOps, and pushing the boundaries of combining code across web and mobile. Before joining Theodo, Mo was a full-stack developer at Nasdaq. He is a graduate from the University of Edinburgh.

Open-source developer specializing in Web, 3D, and XR, dedicated to building tools that help developers create extraordinary applications and experiences.

Elian Van Cutsem or "ElianCodes" is a full-stack developer, creative technologist, and all-around internet troublemaker based in Belgium. He’s the **CTO at Vulpo** and works in **Developer Relations at React Bricks**, focusing on developer experience, documentation, and education. Previously, he was a Software Engineer and core maintainer at Astro. Elian is also a co-organizer of several major JavaScript communities and events, including **BeJS**, **React Paris**, **React Brussels**, and **React Africa**. Alongside his professional work, he creates provocative and experimental AI projects, designed to challenge our assumptions about ethics, automation, and human behavior. His work blends code and commentary, often in ways that are both hilarious and uncomfortably real. Elian is known for his passion, puns, and offbeat sense of humor. His talks combine technical insight with a strong dose of creative chaos—guaranteed fun on stage.

I'm a Senior Software Engineer working in the JavaScript ecosystem. I'm also the founder of The T-Shaped Dev newsletter and the author of The Conscious React book. I'm interested in combining good practices and architectures within React and Node applications, closing the gap between JS Full Stack Apps and Clean Architecture.

I am Ayoub Alouane, working as a DevRel and TechLead in Adservio, Moroccan coming from Africa, starting a new journey in France, as a Speaker and Trainer, I'm trying to build a consciousness about web performance in our community of devs.

Following a stint in data engineering, I have spent the past 6 years focused on web development. After building elegant & highly performant user experiences at Unsplash as the Web Team Lead, I have now shifted focus to developing SDKs & maintaining Mitosis @ Builder.io. I am currently the core maintainer of Mitosis, a trail-blazing open-source project that allows engineers to write their components once and build them for every web framework out there.

Zan Markan is a developer advocate at CircleCI, on a mission to educate and inspire developers on the topics of CI/CD, DevOps, and software quality. Across his career he has worked in companies of various sizes, from enterprises to own startups, and everything in between, and across industries as diverse as retail, AI, and developer tools. He’s passionate about serverless technologies, mobile development, and developer experience. Outside of work, he enthuses over airplanes, craft beer, and the Oxford comma.

Josh Justice is the frontend architect of Chick-fil-A’s International division. He oversaw the development and release of the Chick-fil-A Canada app in July 2025. Over his 20-year software development career he’s specialized in mobile and frontend web testing approaches and tools as a way to deliver more sustainable software that meets user and business needs. He has shared what he learned about testing through consulting, blogging, and speaking at conferences such as Chain React and React Native EU.