React Day Berlin

Creator of Webpack and Turbopack. Father of two children. Likes to play board games.

I am a freelance programmer based in Tokyo. I work on Zustand core team and various open source projects primarily with JavaScript and React. Author of Jotai: https://jotai.org, valtio, etc. https://contact.axlight.com

I'm a full-stack software engineer based in Philadelphia. I founded UltraShock Gaming, a game marketing startup with a community of 500,000 members on Steam, and ran it for 4 years before selling it. I'm passionate about startups in the developer tools space and building interesting side projects.

I graduated with a B.S in computer engineering from Drexel and am currently working as a developer advocate for Vercel. When I'm not coding, I'm playing soccer, reading, writing or enjoying some good food with friends.

Sylwia (pronounced "Sylvia") is a developer advocate at StackBlitz, a tech writer, and an educator passionate about making tech accessible and diverse. She is a co-organizer at React Robins, a community for women and non-binary React devs. Aside from tech, she’s working on a card game and loves hiking, biking, pierogi, and plants.

Tejas Kumar is an international keynote speaker with an engineering background spanning 22 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.

Miguel has dedicated over 15 years to web programming and technology. With a deep passion for coding, he has also ventured into the realm of content creation, managing one of Twitch's leading channels in the "Software & Game Development" category. His mission has always been simple: share knowledge and empower others. Whether coding or streaming, Miguel continues to influence and inspire developers at all stages of their careers.

Maya is a software engineer who has been creating complex frontend products for almost a decade. From workflow editors and no-code expert knowledge automation, to data labeling tools for image, video and medical data, she’s seen it all—or at least a lot of it. She studied fine arts painting and game development, but her passion is JavaScript and the web. She is bridging the gap between these different worlds with explorations in Three.js, WebGL, and 3D art.

Eddie is an Open Source fullstack and DevRel expert, with experience in Javascript, Typescript, SQL, NoSQL, automation testing and DevOps. The foundation of Eddie's tech ethos is Open Source, as there is something in it for everyone. Eddie founded the EddieHub community to foster collaboration, communication and career development. Eddie received the GitHub Star of the Year 2020 Award, GitHub Community Growth Award 2021 and GitHub Teacher of the Year Award 2022.

Matt is an independent TypeScript educator, building awesome self-paced courses at Total TypeScript.

Cory is founder of reactjsconsulting, where he helps companies transition to React. He is a Pluralsight author, 9 time Microsoft MVP, and international speaker. He has trained over 10,000 software developers at conferences and businesses worldwide. Cory has authored over a dozen courses on JavaScript, React, C#, automated testing, and web development on Pluralsight. He shares software development tips daily on Twitter as @housecor.

Jesse Hall, aka @codeSTACKr, is an accomplished full-stack developer with a dedication to teaching others about web development. By leveraging his self-taught experience, he creates engaging and informative content through articles, videos, live streaming, and interactive presentations. His areas of focus include JavaScript, TypeScript, React, Node.js, Next.js, Tailwind CSS, and MongoDB. In his pursuit of knowledge sharing, Jesse continually updates his skills and techniques to provide cutting-edge insights and tutorials for web developers of all levels.

Elian is a Software Engineer @vBridge where he started a couple years ago as an intern. He has a strong focus on design, front-end development and cloud native web-applications with the emphasis on personalisation and technical innovation. Elian started out building static websites to showcase the photos he took, then discovered JAMStack development, since then he's always learning and trying out new stuff. Experimentation drew him to Astro, there was no way back. Now, Elian is an Astro Ambassador & always available for a chat or drink.

Daniel is a Developer Advocate at OLX Group. His current interest is in React and JavaScript, and he advocates for better testing principles using the testing library. He has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Hey, I am Joban, and I am currently working as a software engineer at Microsoft Azure. I have been developing planet-scale backend services for the past 2 years and would like to share my experience with Microsoft Orleans Framework, we have been using at Microsoft Teams.

Ivan is a Google Developer Expert, web performance consultant, and full-stack software engineer. His web performance experience has helped clients like Google, Framer, Appsmith, and many more. He currently runs the web performance consulting agency PerfPerfPerf.

Outside of work, Ivan enjoys exploring modern art, discovering lesser-known electronic and techno artists, and obsessing over serif typefaces.

Lazar is a generalist software engineer, who wrote his first app back in 2013 while he was in high school. He's currently a Developer Advocate at Sentry (sentry.io). He's loves to learn in public, live stream on YouTube, and create courses on Egghead. Designing and building UIs is his passion. He's the ultimate nerd, even his hobby is programming.

I am a frontend engineer and an open-source maintainer based in India. I am currently helping in the development and maintenance of the ESLint and the webpack ecosystem.

If I’m not coding, I’m definitely watching Anime!

Christian is an experienced, hands-on frontend developer with a history dating back to the days of table-based layouts and using background images for rounded corners. He's worked with clients of varying industries and sizes. He's been with Daily since early 2020, working on Daily Prebuilt, Daily’s ready-to-go embeddable solution for video calls of all sizes, and Daily React, Daily’s React library for building audio and video in React apps.

Manjula loves contributing to OSS in her free time. She loves teaching and believes it is best way to learn more and more. She is one of the organisers for React India.

James is Co-Founder and CEO of ElectricSQL. Prior to founding Electric, he co-founded the Post Urban venture builder and was co-founder and CTO of synthetic data company Hazy.

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.

Fullstack Software Design Engineer at Mattermost. He has helped with the re-architecturing of the new version of the mobile app, written in React Native. Confident with React, React Native and Go, and always happy to learn new things. Fun fact: studying psychology for fun.

Jan is a lead developer at &why and passionate about creating an engineering culture that allows everyone to do their best work. In his free time, he creates a digital atlas of the world's wine regions.

Hi, I’m Henrik Fricke. I’m a software developer at WakeSys, focusing on web and serverless technologies. I like to give talks and workshops at conferences and did that also at clients when I tried my best to be a professional AWS cloud consultant.

Raymond is a front end engineer from San Francisco, California

A curious and passionate web engineer who loves speaking JavaScript with machines. I got 5+ years of creating frontend experiences for humans.

A dad, a drummer and JavaScript lover! Matt has a background in animation, games dev and frontend web dev. Passionate about all things frontend. Super passionate about working in teams and helping engineers grow. Matt has lead teams at Blake, Domain and now currently at Atlassian.

Karan is working as SDE 2 at Fabric. Currently dabbling with Design System, Micro Frontend and Frontend Infrastructure

Aiden Bai is a frontend performance engineer with a passion for efficient developer tools. He's the creator of Million.js and is the resident performance nerd at Dimension.

Saravana Srinivasan is a Senior Software Engineer at Red Hat and contributing to Serverless Workflow toolings and Kie community. He is an Open source enthusiast and a trainer. He works on various Javascript tech stacks and also enjoys exploring new technologies.

Mike is a developer, Google Developer Expert, and Director of Developer Relations at Ionic who's been working in the mobile landscape for most of his professional career. When he's not working Ionic itself, Mike works with community members and helps them succeed at mobile. In his spare time, he’s an aspiring woodworker, occasional musician, and craft beer lover.

Giulio is an Italian software engineer working at Flux and contributing to open source with Poimandres. He's deeply passionate about pushing the web platform to its limits, building things like custom React reconcilers, real-time computer vision on Web Workers and flex layout engines for THREE.js.

I'm 17 years old React Native Developer at Callstack. I'm the youngest ever React Native contributor, and React Native CLI maintainer

An enthusiastic member of the W3C, Tiger loves the web. He creates projects combining software with old devices in unique ways. He has turned old phones into an interactive art piece and created a laundry machine with cardboard. He has previously worked on Edge, Firefox, Chrome, and tooling for software developers. In his spare time, Tiger performs improv with his partner.

Nicolas is a developer at Pigment. He is the author and main contributor of the JavaScript open source library fast-check.

Experienced JavaScript Software Engineer with 7 years in the industry. More skilled in Front-end Development, with high level of experience in working with Micro Front-end architecture, designing projects as a set of standalone components that include their own interfaces, logic, and storage, developing mini-applications independently, and composing them all together in the browser with different integration techniques. Passionate about web performance and ensuring the best possible User Experience of web applications.

Armin is a passionate creator by heart, driven by innovation and the power of technology. As a Senior Software Engineer at TechMiners, he crafts cutting-edge tools that empower seasoned tech analysts to deliver unparalleled insights to clients. With a flair for both art and code, Armin finds joy in every challenge, making an impact no matter the medium or toolset.