React Day Berlin

Emma is an American Software Engineer turned Engineering Manager working at Spotify in Stockholm, Sweden. She's a LinkedIn Learning and Frontend Masters instructor as well as a new mom.

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

Creator of Bun.

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, valtio, etc. https://contact.axlight.com

Shu is a designer and engineer at Vercel building Next.js. He is the creator and maintainer of OSS like SWR and Nextra. Besides JavaScript, he also enjoys generative art and algorithm challenges.

Creator of the Remotion, the framework for making videos in React.

Naz is a software engineering manager at LinkedIn, ex at Netflix and Technology Career Coach at Mentorcruise. She is passionate about UI Engineering, Career Development and growth skills. Prior to Netflix, she worked in the Finance industry as a Software Architect. Naz is dedicated to advancing and growing careers of many engineers across the world 🌎 . She is an active Career Coach on MentorCruise. She also volunteers with Hour of Code teaching high school girls how to code and serves as a member of MentorCruise and BuiltByGirls to coach engineers. When she’s not working, you’re most likely to find her exploring the world 🌱, playing games, or curled up with a good book and a cup of coffee. 📚☕

Nik is the founder of Serenity and is passionate about cryptography, CRDTs, GraphQL and React. He co-created several popular open source projects like DraftJS Plugins and Polished and participated in Stripe’s Open Source Retreat. In his spare-time he enjoys ski touring, cycling and organising the ReactJS Vienna meetup.

Vladimir is Software Architect and Independent Consultant, worldwide speaker, published author. He brings years of experience in JavaScript ecosystem and is one of early React and React Native adopters. On daily basis Vladimir works in Web, Mobile, VR/AR and Blockchain fields for a range of clients in various industries.

Elizabet is a designer who likes to code. As a ReactJS enthusiast, she built and maintains React-Kawaii. A React library of fun kawaii characters that won "Fun Side Project of the Year" in React Amsterdam Open Source Awards 2018. Besides that, her passion for music and past experience as the first female rapper in Portugal under a major deal, led her to start Cassette Tape. The HTML5 based looper and recorder has granted her a spot in Google I/0 Dublin, in 2016. Also, a big fan of open-source, she has recently released a song for the designer/dev community called "Fork This" (2020).

Elizabet currently works as Senior Product Designer for Elastic. Her mission is to bridge the gap between front-end and design.

Following a stint in data engineering, I have spent the past 6 years focused on web development. After building elegant & highly performant user experiences as the Web Team Lead @ Unsplash, I have now shifted focus to developing web SDKs & maintaining OSS @ Builder.io

I am currently the core maintainer of Mitosis, a trail-blazing open-source project that allows engineers to write their components once and build them for every web framework out there.

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.

Andreas is a developer, trainer and consultant for all things around the web. His favorite topics include TypeScript, React and GraphQL while still having an eye for the complete ecosystem.

Hi, I'm Josh! I'm a frontend developer from New York with a passion for open source, static analysis, and the web. I'm a full time open source maintainer and work on projects in the TypeScript ecosystem such as typescript-eslint and TypeStat. I'm also the author of the Learning TypeScript book, published by O'Reilly. My work focuses on bringing accessible education to the masses in a sustainable way.

Aleksandra is a software engineer based in Wrocław, Poland. She's worked as a full-stack developer with many different languages such as Elixir, Golang, Python, and TypeScript. She was previously a tech lead for the Hasura Console, and now she's a lead maintainer of Blitz.js.

I'm a Sr. Front-End Engineer at Medallia, building their surveys platform and helping them shape the customer experience market with React.

My areas of interest include JS and compile-to-JS languages, DX, and performance optimization. Aside from public speaking about these, I also volunteer at TechLabs, teaching front-end development.

John (he/him) is the community manager at React Flow, a flexible library for building node-based UIs.

Erik is the Co-Founder and CTO of voize - an app that allows healthcare workers to create medical records using speech recognition. He loves to build products that make people's lives easier and has an eye for details and design.

Shivay Lamba is a software developer specializing in DevOps, Machine Learning and Full Stack Development.

He is an Open Source Enthusiast and has been part of various programs like Google Code In and Google Summer of Code as a Mentor and has also been a MLH Fellow. He is actively involved in community work as well. He is a TensorflowJS SIG member, Mentor in OpenMined and CNCF Service Mesh Community, SODA Foundation and has given talks at various conferences like Github Satellite, Voice Global, Fossasia Tech Summit, TensorflowJS Show & Tell.

Katarzyna is the Co-founder and CEO of ec0lint - a tool for frontend developers that mitigates the carbon footprint of websites. On top of that, she works as a Project Manager in the nanotechnology company Nanores. Her focus lies on diamonds and vacuum sensors. Katarzyna enjoys cooking Asian food and visiting art exhibitions in her free time.

Game developer with a healthy curiosity for the web. Worked at Wooga for a few years, then freelanced in several game studios. Now in charge of making tech work at PlayPack here in Berlin.

Software Engineer at JetBrains and programming languages polyglot. I do like brining things from other languages and environments and mixing them together to create new ideas. Before I became an engineer, I played DotA and DotA 2 professionally ;)

Giorgio Boa is a full stack developer and the front-end ecosystem is his passion. He started to develop applications in 2006 and in 2012 he falls in love with JavaScript. He is also active in open source ecosystem, he loves learn and studies new things. He is very ambitious and he tries to improve himself every day.

Originally from Singapore. Brendon is an expert UI expert at Standard Chartered and published multiple books in amazon and leanpub. In his free time, he writes about Remix starterkit, Micro Frontend book and sell UI components.

Alex is Frontend Engineer at CodeSandbox with a passion for both dev tools and user experience. He is also the organizer of JSHeroes, the biggest JS/Frontend conference in Romania.

Nikhil is a Software Engineer at Postman, based out of Bangalore, mostly handling stuff around Postman's design system. He is super excited about open source, React, and its internals. He loves to talk about design systems and performance in general. He is super passionate about sharing his experience and learnings mostly via LinkedIn and Twitter.

Bruno is a passionate Software Engineer who loves crafting solutions that can help ease our lives and make it more fun. He is mainly interested in Web development, currently working with TypeScript, Elixir and React.

Kamlesh is a Principal Frontend Engineer at Razorpay working on Design System and Frontend Infrastructure. Recently he has developed a fascination for interior designing and has a zest for home decor.

Hi, I'm Alessandro, a software developer from London. I build a mobile app at Formidable using React Native. I truly believe it is our responsibility to push for accessibility to be considered first-class citizens in our development flow.

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.

Leon is the Technical Lead at voize. He is a passionate open source developer, likes to write Kotlin and is a certified Software Architect and LPIC-1 Linux Administrator.

Riaz Virani has over a decade of experience in building products and engineering teams. He was most recently CTO at LoadUp Technologies, which topped out at 118 on the Inc 500 Fastest Growing privately-held companies in 2019. Prior to that, Riaz worked in web performance, machine learning, and consulting.

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.

Moataz has over 12 years of experience in testing and development roles across industries such as agriculture, telecom, healthcare, fashion, and food delivery. Moataz is currently a Developer Advocate at Bitrise, helping mobile engineers deliver fast, reliable, and secure mobile apps. He also helps companies build their own developer productivity teams. As well as being an AWS Community Builder, he also teaches on TAU and Udemy. His experience includes building automation projects for large and distributed projects from scratch.

Arisa is a Frontend Developer who became a DevRel Engineer. She works at Storyblok to share and improve better DX through talks, maintaining SDKs, and tutorials. Her mission is to learn, speak, connect and help. In her private time, she is a GDE, an Aikido fighter, a GirlCode ambassador, and a longboarder.

~10y of experience as a full stack engineer with a focus shifted from the backend to the frontend since ~5 years ago. For the past 5 years live in Berlin, Germany. Like strict typing, functional programming, tech in general, traveling, and gaming.

Hussien is a Staff Developer at Shopify. He has over 10 year of Fullstack experience with a particular soft spot for React. He also mentors for a coding bootcamp and loves helping beginners break into tech.

Cristobal Chao is a software engineer, UX specialist and founder of Torii Studio, a studio that helps small to large companies implement front-end processes and systems that are easier to scale efficiently while building beautiful UI/UX products. Prior to forming Torii Studio, Mr. Chao worked as a Software Engineer in companies like Google and Oracle. Also, he worked as the first software engineer for Hattery Labs, a front-end consultancy acquired by Google in 2013. At Google, he worked as part of the Material Design team building the first two versions of Material Design, as well as evangelizing the systems across Google Search, Maps and Google for Work.