App.js Conference 2025
Hosted by
React Native Community KrakĂłw (RNCK)
In-Person
Address available to attendees
Ready to join in on the fun?
Join us for the 5th edition of App.js Conf, the leading React Native & Expo conference!
Last year, we welcomed over 500 developers from around the globe. This year, we're back with an even bigger and better event, featuring:
👉🏻 May 28th: workshop day with eight in-depth sessions to choose from, covering topics like animations, performance optimization, 3D graphics, and more. You can select two workshops that best fit your interests:
- Animations and Interactions – Intro
- Animations and Interactions – Advanced
- Performance – analysis & optimization techniques [SOLD OUT]
- Mobile & Web with React Native
- Brownfield Integrations: Gradle, Cocoapods and the Brownfield Enigma
- Production-ready Patterns for EAS Update
- 3d graphics with WebGPU, Three.js & Reanimated
- Fine-tuning for the “Native Feel”
👉🏻 May 29th - 30th: two full days of conference talks from top experts and contributors in the React Native community.
👉🏻 May 30th: afterparty to connect with fellow developers and celebrate the future of app development!
Tickets are on sale now! Check www.appjs.co for details and secure your spot.
See you in May! 👋🏻
Presentations
Enzo Manuel Mangano
Everybody can cook with React Native
Get ready to learn the "secret ingredients" for crafting immersive animations with Reanimated and Skia!
Kim Chouard
Mozart Never Had React Native: You Do
Kim Chouard's "Mozart Never Had React Native: You Do" shows you how to compose stunning audio experiences using expo-audio and react-native-audio-api. Get ready to make your apps sing!
Jacob Arvidsson
Building Secure React Native Apps
Security matters! Jacob Arvidsson will show us how to "Build Secure React Native Apps". Dive into secure storage, encrypted networking with TLS pinning, and host whitelisting with Expo modules.
Laura Beatris
The Future of Authentication in React Native
Modernize your React Native authentication! Learn how to engineer secure auth flows with passkeys, TOTP, and biometrics, along with more advanced patterns like offline authentication for mobile apps.
Jay Meistrich
Legend List: Optimizing for Peak List Performance
Jay will dive into Legend List – a game-changer for performance, bidirectional infinite lists, and chat UIs. Learn how it works, its key optimizations, and how to apply them to your own apps!
Sojin Park
Brownfield React Native at Scale: Ship Dozens of Micro-Apps Daily
How do you manage 40+ micro-apps inside a single React Native super-app with 20+ daily deployments? Sojin Park will show how replacing Metro with esbuild and enabling dynamic multi-bundle loading drives faster builds and scalable React Native apps.
Ready to join in on the fun?
App.js Conference 2025
Hosted by
React Native Community KrakĂłw (RNCK)
In-Person
Address available to attendees
Join us for the 5th edition of App.js Conf, the leading React Native & Expo conference!
Last year, we welcomed over 500 developers from around the globe. This year, we're back with an even bigger and better event, featuring:
👉🏻 May 28th: workshop day with eight in-depth sessions to choose from, covering topics like animations, performance optimization, 3D graphics, and more. You can select two workshops that best fit your interests:
- Animations and Interactions – Intro
- Animations and Interactions – Advanced
- Performance – analysis & optimization techniques [SOLD OUT]
- Mobile & Web with React Native
- Brownfield Integrations: Gradle, Cocoapods and the Brownfield Enigma
- Production-ready Patterns for EAS Update
- 3d graphics with WebGPU, Three.js & Reanimated
- Fine-tuning for the “Native Feel”
👉🏻 May 29th - 30th: two full days of conference talks from top experts and contributors in the React Native community.
👉🏻 May 30th: afterparty to connect with fellow developers and celebrate the future of app development!
Tickets are on sale now! Check www.appjs.co for details and secure your spot.
See you in May! 👋🏻
Presentations
Enzo Manuel Mangano
Everybody can cook with React Native
Get ready to learn the "secret ingredients" for crafting immersive animations with Reanimated and Skia!
Kim Chouard
Mozart Never Had React Native: You Do
Kim Chouard's "Mozart Never Had React Native: You Do" shows you how to compose stunning audio experiences using expo-audio and react-native-audio-api. Get ready to make your apps sing!
Jacob Arvidsson
Building Secure React Native Apps
Security matters! Jacob Arvidsson will show us how to "Build Secure React Native Apps". Dive into secure storage, encrypted networking with TLS pinning, and host whitelisting with Expo modules.
Laura Beatris
The Future of Authentication in React Native
Modernize your React Native authentication! Learn how to engineer secure auth flows with passkeys, TOTP, and biometrics, along with more advanced patterns like offline authentication for mobile apps.
Jay Meistrich
Legend List: Optimizing for Peak List Performance
Jay will dive into Legend List – a game-changer for performance, bidirectional infinite lists, and chat UIs. Learn how it works, its key optimizations, and how to apply them to your own apps!
Sojin Park
Brownfield React Native at Scale: Ship Dozens of Micro-Apps Daily
How do you manage 40+ micro-apps inside a single React Native super-app with 20+ daily deployments? Sojin Park will show how replacing Metro with esbuild and enabling dynamic multi-bundle loading drives faster builds and scalable React Native apps.
Get in touch!
hi@guild.host