JavaScript experts, mentors, speakers

Iustin is an Engineering Manager at Fastned, where he leads core engineering teams and drives pragmatic AI adoption across ways of working and product delivery. He focuses on building strong engineering cultures, aligning teams with business outcomes, and helping organizations adopt AI responsibly and effectively. He is also the founder of DataPrysm, an agentic analytics platform, previously built and scaled Replica AI, and actively invests in early-stage startups - bringing a founder-operator perspective to modern tech leadership.

Michal Ziso is an Earth & Space architect and systems thinker focused on how humans operate inside complex, high-risk environments. Her work explores responsibility, leadership, and human performance in chaotic systems operating at the edge. She is the founder of theZISO Creative Disruption platform, where she leads design, research, and advisory work that bridges the inherited world and the emerging. She is a global speaker reaching over 200K humans on stages such as TEDx, NASA, Dubai Future Forum, YPO and more.

Jen Person is a developer advocate for Squid Cloud, an enterprise-grade backend-as-a-service that connects to and secures any API or data source. With nearly a decade of experience in developer products, Jen has extensive experience connecting with developers through talks, blogs, events, social media, and videos. She is passionate about creating the best development experiences so devs can focus on creating the best applications.

Senior Software Engineer at CureApp inc, & CTO at RENDEZ-VOUS.

Joel is a CTO Coach who supports start-up and scale-up CTOs to successfully and confidently navigate the changes in their roles as their businesses evolve. He has over 20 years experience building, scaling and leading software development teams, mainly in start-ups, where he held both CTO and COO roles.

dr. Robin Marx is a Web Performance Expert at Akamai Technologies. He focuses on the performance and workings of modern Web protocols like HTTP/2, HTTP/3 and QUIC and has been a contributor in the IETF QUIC working group for multiple years. Robin often talks about web performance at international conferences, making the complex situations more insightful to the wider public. On the weekends, he likes to hit other people with longswords.

Florin is a product engineer at CrazyGames. He is mainly responsible for the SDKs that the platform is offering for its developers. Florin enjoys developing browser games, some of them being Blitz Tanks, Dashcraft and Idle House Build.

Senior software engineer at Rollbar with over 10 years of experience building web applications.

Located in the vibrant city of San Francisco, Mike Poteat is a committed technical leader, skilled software engineer, and approachable people manager. His areas of interest are wide-ranging and encompass programming, type theory, pure mathematics, and more. In the open-source world, Mike has had the opportunity to contribute to meaningful projects. One of these, hkt-toolbelt, applies higher-kinded types to TypeScript in an attempt to expand its functionality. Additionally, he's worked on spellbound, an agent-based LLM-powered VS Code extension that aims to enhance the usability of the platform. Currently, Mike finds himself immersed in the voice AI industry at a startup backed by Y Combinator. He's part of a team working on the front lines of artificial intelligence, continually learning and evolving their approach to create cutting-edge solutions. Away from his day job, Mike takes time to reflect and share his experiences on his blog, code.lol. He delves into topics around machine learning, programming, and other tech-related subjects, hoping that his musings might offer value to others exploring these fields.

A veteran web developer and manager, with over 15 years of experience, loves accessibility, hates the color magenta, and would definitely love to have dinner with the founders of React. Spent the last several years working at startups, creating shiny new web applications. These days Eitan leads the Frontend development at Evinced, on a mission to help everyone create more accessible web applications.

Software engineer on the React Native core team at Meta particularly working on the developer experience of VR/AR.

I'm a seasoned software developer with a passion for creating engaging developer experiences. As a Developer Experience Engineer at Chromatic, I'm dedicated to improving integrations in the Storybook ecosystem, making it easier for developers to build high-quality UIs with confidence. In addition to my technical expertise, I'm an advocate for education and empowering developers to reach their full potential. When I'm not coding, you can find me jamming on my bass or spending quality time with my Great Danes, Zola and Noodles.

Hailing from Vancouver, Canada, now living in Holland, Jacob is an avid API designer. He is a core collaborator of Node.js (loaders/modules, test runner, and userland migrations teams), TC39 and WinterTC / TC55 delegate, and author of several npm packages. Outside of engineering, he's known for cats, wine, and brunch.

Sarah Rainsberger leads a large open-source software documentation project with several maintainers and over 1000 community contributors. She brings a background in high school mathematics education, academic counseling, and curriculum development to her current technical writing and open source community building. She lives in Atlantic Canada with her husband J. B. (Joe). In her spare time, she photographs birds.

Wesley Fuchter is Director of Software Engineering at Modus Create, where he spends his time turning AI coding tool experiments into organization-wide practice. After leading a structured A/B experiment that demonstrated a 40% reduction in development time, his focus shifted to the harder challenge: getting a full engineering team to actually leverage agentic coding. His team built the knowledge-sharing systems, workshops, and practical resource libraries that are driving the shift. With 14+ years in cloud architecture, enterprise modernization, and engineering leadership across healthcare, fintech, and Fortune 100 organizations, Wesley brings a practitioner's perspective, including what didn't work. He holds the AWS Solutions Architect Professional certification and has previously spoken at worldwide tech conferences.

Self-learner and passionated about web development since the age of 15, I have a strong background in frontend development and especially with Vue.js and the Jamstack.

Nancy Du is an Associate Director of Digital Strategy at Rangle.io and an experienced web developer. She’s passionate about all things related to user experience on the web, with a particular focus on React, headless CMS, and UI architecture.

Abe is a Developer Advocate at Shopify focused on bringing the next generation of ecommerce to developers. Previously he spent 9 years working at Google on Firebase/Cloud where he focused on JavaScript/Typescript.

Allison is a solutions engineer at Hasura.

Domagoj Vidovic is a Frontend Engineer based in London, UK. He adores Vue.js, but he's also an HTML/CSS/JS enthusiast.

Co-Founder & COO at LambdaTest || SAAS || Continuous Testing Cloud.

Ana is a Senior Software Engineer at Clutch, specializing in building scalable, high-quality applications with Node.js and TypeScript, with a strong passion for testing and software reliability. She is a former Google Women Techmakers Ambassador and currently leads one of the largest Node.js communities in Brazil, NodeBR, where she fosters learning and collaboration among developers. Ana also creates advanced technical content through videos and her free newsletter, reaching an audience of around 100,000 followers worldwide. A strong believer in community and knowledge sharing, she balances her tech career with her love for travel, having explored countries across four continents, as well as playing heavy metal bass and practicing yoga.

Kate is a Full Stack Developer and Engineering Mentor, obsessed with regular expressions, books, and web technologies. In her work, she mixes old with new, soft with hard, cats with dogs. When it’s not a disaster, it’s pure magic!

Victoria based developer, loves rock climbing and running and playing piano.