December 2 - 5, 2022
React Day Berlin
Berlin & Online
React Day Berlin 2022

Build code, not walls

Alex Moldovan
Alex Moldovan
CodeSandbox, Romania
Talk: Fighting Technical Debt With Continuous Refactoring
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.
Emma Bostian
Emma Bostian
Spotify, Sweden
Talk: Building High-Performing Cross-Cultural Teams
Software Engineer @Spotify @ladybugpodcast
Nik Graf
Nik Graf
Serenity, Austria
Talk: The Weird Things About React
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.
Nikhil Sharma
Nikhil Sharma
Postman, India
Talk: Wait, React Is Multi-Threaded?
Software Engineer at Postman. I build scalable and reactive web apps with React and some caffeine! OSS contributor and maintainer @ OSSN Blogger @Medium Speaker
Bruno Paulino
Bruno Paulino
N26, Austria
Talk: Supercharging Your Dev Experience With Turborepo
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.
Tobias Koppers
Tobias Koppers
Vercel, Germany
Talk: Turbopack. Why? How? When? and the Vision...
Creator of Webpack and Turbopack. Father of two children. Likes to play board games.
Elizabet Oliveira
Elizabet Oliveira
Elastic, Distributed, Portugal
Talk: Emotional & Functional UI Animations in React
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.
Daishi Kato
Daishi Kato
Zustand & Jotai Author, Japan
Talk: Jotai Atoms Are Just Functions
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
Giorgio Boa
Giorgio Boa
Flowing, Italy
Talk: Get rid of your API schemas with tRPC
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.
Jarred Sumner
Jarred Sumner
Oven, USA
Talk: How Bun Makes Building React Apps Simpler & Faster
Creator of Bun.
Naz Delam
Naz Delam
LinkedIn, USA
Talk: Power Up your GraphQL Apps with CDNs
Naz is a Senior Software Engineer at Netflix. She is passionate about UI engineering, Psychology and cats! 🐈 . At Netflix, she works on the product engineering team to enhance user experience across platforms. Prior to Netflix, she worked in the Finance industry as a Software Architect. 👩🏻‍💻 Naz is dedicated to advancing the role of women in engineering. 👩👩🏻👩🏼👩🏽👩🏾 She 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. 📚☕
Sami Jaber
Sami Jaber
Builder.io, Canada
Talk: It's Time to De-Fragment the Web
Following a stint in data engineering, I have spent the past 6 years focused on web development. After building elegant & highly performant user experiences at Unsplash as the Web Team Lead, I have now shifted focus to developing SDKs & maintaining Mitosis @ 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.
John Robb
John Robb
webkid.io, Germany
Talk: Making an Open Source Library Financially Sustainable
John joined React Flow in 2022 and takes care of the documentation, communication and community.
Hussien Khayoon
Hussien Khayoon
Shopify, Canada
Talk: Lessons Learned From Troubleshooting a Shopping Cart Issue
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.
Illia Kibalnyi
Illia Kibalnyi
Nord Security, Ukraine, Germany
Talk: Generic Components with TS and React
~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.
Josh Goldberg
Josh Goldberg
Codecademy, USA
Talk: Statically Detecting React App Bugs with TypeScript and ESLint
Hi, I'm Josh! I'm a frontend developer from New York with a passion for open source, static analysis, and the web. I work at Codecademy as a frontend engineer on our core Web Platform team. I'm passionate about open source and bringing accessible education to the masses in a sustainable way.
Aleksandra Sikora
Aleksandra Sikora
Blitz.js, Poland
Talk: Take a Rest From REST (And GraphQL)
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.
Shu Ding
Shu Ding
Vercel, Germany
Talk: Nextra 2.0: Create a Full-Featured Documentation Site in 5 Minutes
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.
Konstantin Klimashevich
Konstantin Klimashevich
Xebia, Netherlands
Talk: How I Automated Code Changes for 100 Repositories: Getting Started With Codemods
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.
Erik Ziegler
Erik Ziegler
Voize, Germany
Talk: React Native Kotlin Multiplatform Toolkit
Co-Founder and CTO of voize. Loves to build products that make people's lives easier.
Katarzyna Wojdalska
Katarzyna Wojdalska
ec0lint, Poland
Talk: Digital Ecology: How Can You Mitigate the Carbon Footprint of Websites?
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.
Jonny Burger
Jonny Burger
Remotion, Switzerland
Talk: The State of React Tooling
Indie Hacker from Zurich. I make my own apps to live the dream! Big into motion graphics.
Alessandro Senese
Alessandro Senese
Formidable, UK
Talk: How to Start Your Journey Into Mobile Accessibility?
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.
Andreas Roth
Andreas Roth
Esveo, Germany
Talk: Staying Safe In a Concurrent World
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.
Kamlesh Chandnani
Kamlesh Chandnani
Razorpay, India
Talk: The Sorcery of Building a Cross Platform Design System Architecture
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.
Egor Ogarkov
Egor Ogarkov
JetBrains, Germany
Talk: Less Struggle With Lifetimes
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 ;)
Arisa Fukuzaki
Arisa Fukuzaki
Storyblok, Germany
Talk: Let’s Remix to Localize Content!
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.
Moataz Nabil
Moataz Nabil
Bitrise, Germany
Talk: A Nutshell Guide to React Native DevOps
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.
Riaz Virani
Riaz Virani
Find Niya Software, Canada
Talk: Writing Chrome Extensions in React
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.
Brendon Co
Brendon Co
Standard Chartered, Singapore
Talk: Introduction to Library Market Place
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.
Matheus Albuquerque
Matheus Albuquerque
Medallia, Czech Republic
Talk: Consistent UX at Scale: Lessons Learned When I Wore the DesignOps Hat
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.
Nicola Corti
Nicola Corti
Meta, UK
Talk: Bringing the New React Native Architecture to the OSS Community - Fall Edition
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.
Vladimir Novick
Vladimir Novick
Independent Consultant, Israel
Talk: Run Games Within Your React Native Apps
VladimirNovick is the CTO & Co-Founder of EventLoopHQ, software architect, consultant, engineer and trainer, worldwide speaker, and published author.
Hendrik Demmer
Hendrik Demmer
PlayPack, Germany
Talk: 3+ Uses of React at a Game Studio
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.
Cristobal Chao
Cristobal Chao
Torii, USA
Talk: Accelerate Innovation
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.
Shivay Lamba
Shivay Lamba
Meilisearch, India
Talk: Using MediaPipe to Create Cross Platform Machine Learning Applications with React
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.
Sabin Adams
Sabin Adams
Prisma, USA
Talk: End-To-End Type Safety with React, GraphQL & Prisma
I'm Sabin Adams, and I've been working in web development for about ten years now. I love solving problems and making tools that make developers' lives easier, and currently, I work as a developer advocate for Prisma. Teaching, speaking, and writing about web development is my passion!
Alice De Mauro
Alice De Mauro
Vercel, Netherlands
Talk: Next.js 13: Data Fetching Strategies
Software Engineer for more than 15 years, UX designer and programming languages instructor, I've worked in many types of product, from commodities to retail, from media to eSports. At Vercel, I help pre-sales to architect the best technical solution for our future customers.
Maurice de Beijer
Maurice de Beijer
Independent Software Consultant and Trainer, Netherlands
Talk: Best Practices and Advanced TypeScript Tips for React Developers
Maurice de Beijer is an independent software consultant and trainer. He specializes in JavaScript, React, and ASP.NET Core. His work includes a large, global, safety application for the oil and gas industry. Maurice is also active in the open source community. He teaches ECMAScript, TypeScript, React, RxJS and ASP.NET courses. Since 2005, he has received Microsoft’s Yearly Most Valuable Professional Award. Maurice is also active in the Dutch dotNed user group and helps organize its meetings.
Josh Justice
Josh Justice
Test Double, USA
Talk: Designing Effective Tests with React Testing Library
Josh Justice has worked as a developer since 2004 across frontend, mobile, and backend platforms. As a consultant he collaborates with teams to help them deliver great apps by optimizing their tech stack and development practices. He also writes, speaks, and livestreams about React and React Native, testing, and software design.
Cristobal Chao
Cristobal Chao
Torii, USA
Talk: Innovate with React
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.
Sean Blundell
Sean Blundell
Babbel, UK
Talk: Build Your Own (Simple) React From Scratch!
5+ years experience building React/ React Native applications. Currently a Front End Engineer part of the team responsible for Babbel's lesson trainers and interactions. Cofounder of the charity Little World.
Jean Duthon
Jean Duthon
Babbel, Germany
Talk: Build Your Own (Simple) React From Scratch!
Jean grew up in France, where he studied computer science and got his master’s degree from the Université de Technology de Compiègne, where he grew fond of web technologies. He moved to Berlin in 2016 and started working with vanilla JavaScript, jQuery, and Angular1 until he discovered React and thought, “Wow, this is how web apps should be built.” Those days he worked mainly with React at Babbel (the best learning language app! 😜)and loves creating enticing user experiences on the web, he has a soft spot for animations and delightful interactivity. In his free time, he loves to cook, make cocktails (ask for advice at your own risk), and play escape/board games.
Arisa Fukuzaki
Arisa Fukuzaki
Storyblok, Germany
Talk: Crash Course into the Jamstack with Next.js & Storyblok
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.
Chakit Arora
Chakit Arora
Storyblok, India
Talk: Crash Course into the Jamstack with Next.js & Storyblok
Chakit is a Full Stack Developer based in India, he is passionate about the web and likes to be involved in the community. He is a Twitter space host, who likes to talk and write about technology. He is always excited to try out new technologies and frameworks. He works as a Developer Relations Engineer at Storyblok.
Roy Derks
Roy Derks
Vandebron, Netherlands
Talk: GraphQL for React Developers
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.
Hussien Khayoon
Hussien Khayoon
Shopify, Canada
Talk: Using CodeMirror to Build a JavaScript Editor with Linting and AutoComplete
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.
Kahvi Patel
Kahvi Patel
Shopify, Canada
Talk: Using CodeMirror to Build a JavaScript Editor with Linting and AutoComplete
Victoria based developer, loves rock climbing and running and playing piano.
Josh Justice
Josh Justice
Test Double, USA
Talk: Building for Web & Mobile with Expo
Josh Justice has worked as a developer since 2004 across frontend, mobile, and backend platforms. As a consultant he collaborates with teams to help them deliver great apps by optimizing their tech stack and development practices. He also writes, speaks, and livestreams about React and React Native, testing, and software design.
Andre Kovac
Andre Kovac
null, Germany
Talk: What the Heck Do "Declarative" and "Reactive" Actually Mean?
Mobile and Web Engineer (React-Native/React) Data Science (Statistical Analysis and Machine Learning) Speaker and Trainer (Interactive Workshops, Science Communication, Talks) Teaching Chinese as André China Tiger on my YouTube channel