React Day Berlin 2026

Kitze loves to rant about webdev. He is the founder Sizzy - the browser for developers. He created React Academy to teach web development. He's the creator of Zero To Shipped - the interactive video course for mastering Fullstack Development. He's documenting his journey on YouTube, steams on Twitch and has a blog that he maintains one in a blue moon. He made Benji, Twizzy, ok-google.io, JSUI, Glink, showGPT and etc.

Tejas Kumar is an international keynote speaker, best selling author, and host of the developer-loved ConTejas Code podcast with an engineering background spanning 23 years, from design to frontend to backend to devops. Today, Tejas shares talks at large with developer communities worldwide, equipping them to do their best work.

Sara is a developer relations engineer at Orama. Author of The Opinionated Guide to React. Open Source enthusiast. Conference Speaker. Talk to her about Retro Games or Airports.

CTO at Callstack. Passionate about cross-platform technologies. When not working, you can find him on a race track.

Nicola Corti is a Google Developer Expert for Android. He is the maintainer of Detekt and several other open-source libraries and tools for mobile developers. He's currently working in the React Native Core team at Meta, building one of the most popular cross-platform mobile framework. Furthermore, he is an active member of the developer community. His involvement goes from speaking at international conferences to being a member of CFP committees and supporting developer communities across Europe. In his free time, he also loves podcasting and running.

Brad Westfall has been teaching Web Development since 2010 including bootcamp instruction, online videos, conference speaking, writing at CSS-Tricks.com, and corporate training for ReactTraining.com. He loves to connect with students by helping them achieve their technical goals and by distilling complex concepts into simple instruction.

Nico Martin is a Machine Learning Engineer with focus on WebML at 🤗 Hugging Face and Google Developer Expert in AI and Web Technologies from Switzerland. He specializes in making AI accessible through web browsers, developing tools that simplify ML integration for developers. Nico actively shares his expertise through workshops, articles, and conference presentations, bridging the gap between web development and machine learning communities.

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.

Maurice de Beijer is an independent software consultant and trainer. He specializes in TypeScript, ECMAScript, React and Svelte. His work includes popular collaboration software as well as a large, global, safety application for the oil and gas industry. He has a preference for working with startups and smaller, more dynamic companies. Maurice is also active in the open source community. He teaches ECMAScript, TypeScript, React, Cypress, Playwright and RxJS courses. Since 2005, he has received Microsoft’s Yearly Most Valuable Professional Award. Further, Maurice is active in the Dutch dotNed user group and helps organize its meetings.

Neciu Dan is the technical co-founder and tech lead of CareerOS, where he spearheads the development, maintenance, and scaling of the main application. Bringing over 12 years of engineering expertise to the table, Dan has a proven track record in the tech industry, having previously served as a Senior Product Engineer at the New York E-commerce brand, AdoreMe, and as a Senior Software Engineer at the food delivery company, Glovo.

Senior Web Developer & Engineering Manager based in Berlin with over 12 years of hands-on experience. I’m passionate about teaching and sharing knowledge – producing video tutorials and leading code courses at top programming schools. In my free time, I give back to the open-source community by maintaining projects like redux-offline, dracula-ui and clipboard.js,

**Dennis Nerush** is the Director of AI at Elementor, where he leads the company's AI strategy and guides teams through the integration of GenAI technologies that enhance productivity while preserving human creativity and accountability. With over 15 years of experience as a developer, manager, director, and adviser across multiple tech companies and startups, Dennis has dedicated his career to building people-first cultures rooted in continuous learning, curiosity, and growth. He believes that when individuals thrive, teams and businesses flourish, a philosophy that has guided him in founding dozens of teams and mentoring over 100 managers. Dennis is a seasoned public speaker and writer who shares his insights on AI integration, leadership, and team performance at international conferences. He's passionate about helping leaders develop the skills and confidence to excel in a world where human leadership and AI collaboration go hand in hand. In his free time, Dennis loves cooking and spending time with his kids. His main goal is to help people reach the next level.

I am Saman Abaasi, a Frontend Engineer from Tehran, Iran, with more than 7 years of experience working with React and TypeScript. I am currently a Staff Frontend Engineer and Squad Lead at MTN Irancell, where I lead a small team building a Camunda-based workflow platform that is replacing a long-running Huawei OWS production system. Before MTN I was a Senior Frontend Engineer at Digikala, Iran's largest e-commerce platform, leading UIKit development across 60+ components. I spend my free time reading source code and writing about it. I have published three in-depth technical series: "How JavaScript Works" (10 parts), "How React Works Under the Hood" (9 parts, source-verified against React's internals), and a 23-part series on extending bpmn-io form-js in production. Published on dev.to, JavaScript in Plain English, and StackAcademia. I am an invited speaker at React Day Berlin 2026 (December 4 & 7, GitNation), where this will be my first conference talk.

Frontend Engineer at Netflix, where he builds internal products that support the lifecycle of movies and TV series - from planning and production to launch and promotion. With 7 years of experience in software engineering and a background in aerospace engineering, he is passionate about developer productivity, product-minded engineering, and practical applications of GenAI.

Senior Full-Stack Engineer from Hannover with over ten years deep into React and TypeScript. Had my own agency for nearly 10 years, so I know what customers really care about. When I can make time I'll try to keep up to date with the latest innovations in our space or continue my latest passion in game development. Active wheelchair user where my greatest enemies are stairs.

Scott Batson is a Staff Engineer at Medium with 15 years of experience building products at Netflix, PBS NewsHour, and his own startup. He's been an open source contributor to React Native, React Native WebView, and Ember.js, among other libraries used by millions of developers. His writing on engineeringand web development reaches thousands of readers monthly, has been featured at Google Dev Summit, and regularly lands in prominent tech newsletters.

Fadila Fidina is a Senior Software Engineer at Atlassian, specialising in frontend engineering and delivering customer impact through experimentation. She’s passionate about crafting delightful user experiences and deeply values collaboration and people. When not at the keyboard, Fadila bakes, paints, and photographs — exploring the creative side of life in all its forms.