React Day Berlin

Robin is a Lead Engineer at Klarna. He started with CSS during the Responsive revolution, moved to JavaScript just when React dropped, and now designs full-stack systems for 1M cardholders. As a developer who specialises in TypeScript, he helps to find solutions by applying functional programming principles. Robin organises several meetups.

Sara is a developer at axo.dev. Author of The Opinionated Guide to React.

GraphQL and Open Source enthusiast. Conference Speaker and Airport expert. She's also a fan of horror movies, has talents such as banging sticks into a drum kit and saying the wrong thing at the wrong time.

Johnny loves (board|electronic) games, programming with a lot of parentheses and cycling and creating Communities on Twitter. After receiving his MSc from Oxford, he went to San Francisco only to be kicked out a year later due to not receiving another visa, he then tried building two startups in Berlin, after which he decided to join another startup in London, only to be relocated to Germany again by 2020, where he now is working remotely, specifically the communities team. In his free time he runs Kronberger Spiele, publishing games since 2003.

Michele is a Senior Developer at JustWatch, where he's developing TV apps in React Native. He likes to still think of himself as Full-Stack, but he's been developing on React and React Native for the last 5 years.

Konstantin works for Xebia as an IT professional with 10+ years of experience in software development, analysing, designing and developing enterprise applications, social games and services. In his spare time he's passionate about running, race cars and JavaScript.

Leading Web Platform development at Zattoo. Preaching automation, fighting for performance and common sense, forcing accessibility.

Aleksandra is a full-stack developer based in Wrocław, Poland. Previously a tech lead for the Hasura Console and a lead maintainer of Blitz.js. Deeply passionate about open-source, TypeScript and dedicated to staying up to date with the JavaScript ecosystem. In love with all things climbing — hiking, via ferratas, and rock climbing.

Shopify Engineer, working on frontend and open source. Originally rails dev.

Roy Derks is a developer, author and public speaker from the Netherlands. His mission is to make the world a better place through tech by training and inspiring developers worldwide. Currently he is working with StepZen on a mission to make GraphQL adoption easy and scalable.

Nicola Corti is a Software Engineer in the React Native team @ Meta, building tooling and infrastructure to support mobile engineers in the open-source space.

He's a Google Developer Expert for Kotlin and has been working with the language since before version 1.0. He's the maintainer of several open-source libraries, and he's the host of the Developers' Bakery podcast.

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 baking and running marathons.