JavaScript experts, mentors, speakers

Frédéric Harper is a seasoned Developer Advocate with over 20 years in tech, currently Senior Developer Relations Manager at Tiugo Technologies specializing in TinyMCE rich text editor. Fred has held developer advocacy roles at industry giants such as Microsoft, Mozilla, Fitbit, and npm. He's spoken at hundreds of events globally and authored a book on personal branding for developers at Apress.

I'm a frontend developer specializing in JavaScript and React, with a passion for crafting seamless user experiences. Beyond coding, I'm a content creator who loves exploring topics like productivity, creativity, and balancing life as a tech professional and a parent. I empower women in tech through a thriving Facebook group and share insights via my newsletter and podcast.

With 15+ years spanning distributed systems, real-time data infrastructure, and high-performance UIs across Google, Microsoft, Spotify, and Booking.com, Valerii is passionate about developer experience, low-latency systems, and bridging the gap between complex backend architectures and intuitive user-facing products.

Matija is currently a Director of Engineering at Workera, an AI-powered skills intelligence platform for enterprise workflows. At Workera, he leads teams that create assessments based on enterprise knowledge bases and evaluate employees' skills to guide further upskilling. Over the past 12 years, he has held various leadership roles in product and engineering across the financial, semiconductor, and education technology sectors. The main tech questions he enjoys solving are: “How can we get people to play to each other’s strengths?” and “How can we encode architecture so it doesn’t live only in a document or in people’s minds?” After work, his time is delightfully filled with being a parent to two young children, biking, swimming, following F1, and playing his current favorite game: GeoGuessr.

I'm a Developer Advocate at Codium where I geek out over generative AI, automation, and the magic of scripting. When I'm not advocating, I'm usually elbow-deep in API adventures, because who needs free time when there's APIs that fail to do what I want them to do..

Oleksandr Tryshchenko - Senior Engineering Manager @ Personio He has experience with micro-frontends across three SaaS companies. Initiated and led the migration of FreshBooks from a monolithic UI to a micro-frontends architecture. Currently, he serves as a Senior Engineering Manager at Personio, where he leads the efforts to migrate the entire organization, which encompasses over 130 micro-frontends, to a new design system.

Wesley is a Senior Principal Engineer at Modus Create, with over 13 years of experience building cloud-native applications for web and mobile. Working as a tech leader he's spending most of his time working closely with engineering, product, and design to solve customers' business problems. His experience sits at the intersection of hands-on coding, innovation, and people management with a mix of experiences going from AWS, Java and TypeScript to startups, agile and lean practices.

Senior Product Designer at FUIB and founder of ux-news.com

I'm a seasoned Product Manager with over five years of experience in a leading digital media company, where I have overseen the development and scaling of multiple high-traffic news platforms built on React. With an engineering background from a prestigious government college in Delhi, I bridge the gap between technical innovation and business strategy. Their expertise spans real-time user management, subscription lifecycle optimization, and cross-functional team leadership. I'm passionate about sharing actionable insights on building robust, scalable, and user-centric React applications that thrive in fast-paced, high-demand environments.

I like to introduce myself as a hybrid — part Enterprise Architect, part Senior Solution Architect. I thrive at both ends of the spectrum: shaping strategic E2E target state architectures and rolling up my sleeves to prototype Industrial IoT, AI and Edge solutions with expertise on Azure, AWS and Google Cloud. I’m passionate about solving complex problems, building future-ready platforms, and delivering impact across the products that we build.

Senior Frontend Developer & Freelancer

After working as a science teacher for a few years, Sylvana transitioned into software engineering as a means to provide a quality education to all learners. She began her career as an apprentice at Codecademy and is now a software engineer at the company. During her time at Codecademy, she has gained experience with React, Next.js, and Typescript and has led initiatives like the tech reading club and dev workshops.

Jordan is the frontend technical lead at Mysten Labs. He is passionate about Taco Bell and TypeScript.

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.

Frontend Engineer working at Docplanner. Passionate about Web technologies, JavaScript and Vue.js. Founder of Escuela Vue (http://www.escuelavue.es/). Voracious reader of ancient history and philosophy (Stoicism).

Backend Software Engineer for +10 years in industries such as telco, online betting, and financing, embraced the passion for leading and caring for people 3 years ago, being now at OLX Group as Engineering Manager.

Theo is a full stack designer, developer, and entrepreneur, passionate about dev tools and building simple solutions to complex problems. He's worked in a range of industries for companies like Breather, System Initiative, and Clay.

Gabriel is a Node.js core collaborator, TSC member emeritus, and a member of the Node API working group with a passion for improving performance. Formerly of Nokia, Intel, and SpaceX, currently at Auction.com.

Ilya Pukhalski is a founder and partner at ENDGAME. He spent 20+ years in software engineering, architecture and product development, designing and delivering large transformation programs for IKEA, Primark, Nike, Albert Heijn. He founded ENDGAME on a conviction: software engineering is in a renaissance, and machines amplify great engineering minds rather than replace them. At ENDGAME he builds a dark factory of autonomous agent pipelines, and helps other organizations make the same leap into agentic product development.

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.

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.

Anton is a Senior Software Engineer at Affirm, specializing in building robust and scalable JavaScript solutions. Outside of work, Anton actively contributes to the tech community by helping organize Vancouver JS, fostering developer learning and networking opportunities.

Arsalan Khattak is a Developer Advocate passionate about modern web technologies. He has created content for GitHub Education and spoken at major events like Google DevFest and Microsoft Reactor. Beyond tech, Arsalan is an adventurer and motorcycle enthusiast.