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8:45 – 9:30


9:30 – 11:00

Marcin Skotniczny

App.js Intro

Charlie Cheever /James Ide


Nicola Corti


Break – 30 min

11:30 - 13:00

Kadi Kraman

Getting the most out of Expo Development Builds

Gabriel Donadel

Launching Desktop Apps to Orbit with React Native

Aaron Grider

Bringing real-time 3D to mobile at SpaceX

Evan Bacon

Fetch Once, Render Everywhere: React Server Components in Expo Router

Lunch break – 90 min

Expert Lounge: Expo

14:30 - 16:00

Kim Chouard

From Zero to Music Hero: Building Cross-Platform Games in Months With React Native & Skia

Dolly Ma

Scaling Configs for Dynamic Mobile Apps

Mariusz Stanisz

Brownfield integration - exploring the limits

Søren Bramer Schmidt

Prisma & Expo: A Better Path to Local-First Apps

Break – 30 min

Expert Lounge: Prisma

16:30 - 17:15

Gabriel Dierks

EAS Updates for Seafarers

Fernando Rojo

Don't be afraid to build a native library

10:00 - 11:00

Delphine Bugner

The Yoga Enigma

William Candillon

Hello GPU

Krzysztof Magiera

Code, Preview, Perfect: Building IDE for React Native

Break – 30 min

Expert Lounge: Software Mansion

11:30 - 13:00

Tommy Nguyen

React Native at Microsoft: A Journey of Strategic Adaptability and Innovation

Dominic Hains

Unlocking Real-Time Engagement: Seamless Integration of Live Activities with Expo

Maxwell Phillips

TV Apps in the Wild

Giovanni Laquidara / Eric Fahsl

Extending React Native Apps to the Big Screen

Lunch break – 90 min

Expert Lounge: Amazon

14:30 - 16:00

Talha Naqvi

Improving Shopify App's Performance

Jacob Arvidsson

Micro app architecture with Expo

Britta Evans-Fenton

When `accessible` !== Accessible: Crafting an Inclusive Shopify Point of Sale

Phillip Pan

React Native under the Hood

Break – 30 min

Expert Lounge: Meta

16:30 - 17:15

Krystof Woldrich

Level Up Your Debugging Experience with Sentry's Debug IDs

Gant Laborde

React Native Ignite - Building an AI app in 15 minutes

17:15 - 18:00

Discussion Panel

19:00 – 3:00


Manggha, Konopnickiej 26, Kraków


The workshops are taking place on May 22nd. Each workshop is a full-day event available for the on-site attendees. We promise a very practical, hands-on learning experience provided by React Native and Expo maintainers!

Accelerating Development and Distribution Workflows with Expo

In this workshop, we’ll dive into some of the newer advancements that help you build React Native apps faster and more efficiently.

Discover the potential of Continuous Native Generation: we will convert an existing React Native project to use Prebuild. This means you can generate the native iOS and Android directories dynamically (never have to check them into Git again).

Save time on boring and repetitive tasks: automate your work with config plugins (and learn to write your own!) and GitHub actions.

Learn about Expo’s Open Source tooling: Expo Orbit, Expo Doctor and the EAS CLI, and how they can fit into your workflow (even if you’re not able or don’t want to use EAS itself).

Keith Kurak avatar
Keith Kurak
Tomek Czajecki avatar
Tomasz Czajęcki
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Expo Router

With Expo Router, you can express complex navigation patterns as files and folders inside your application code. Features that were easy to set up on web apps but often required painstaking boilerplate code on mobile, such as deep linking, now work great out-of-the-box on all platforms.

Let’s explore how Expo Router can keep up with the demands of sophisticated modern apps by implementing progressively-more-challenging navigation-related features inspired by real apps. In our demonstration app we’ll build dynamic routes, authentication, multi-page onboarding wizards, bottom sheets, lightboxes, large-screen experiences, and more.

Come away with your navigation-muscle-memory well-exercised and ready to take on whatever routing-related challenges users and designers can throw your way with Expo Router’s powerful and expressive file-based routing.

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Phil Pluckthun
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MARK Lawlor
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Great interactions are a key-feature of many applications. In fact, they can be the ‘make it or break it’ of your app’s success. Also, well-made gestures and animations are a powerful branding element that keep the users coming back.

This workshop is your ticket to becoming a Reanimated pro. You’ll dive deep into the concepts like: shared values, interpolation, easings, gestures, Layout Animations, and Shared Element Transitions.By the end, you’ll have the skills to create animations that’ll make your users say, “Wow!”

Catalin Miron avatar
Catalin Miron
Kacper Kapusciak avatar
Kacper Kapuściak
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Debugging, profiling and optimization of React Native apps - the 2024 edition

Join our in-depth workshops on debugging, profiling and optimization of React Native apps and gain the skills to identify bottlenecks, improve performance and enhance the overall user experience of your apps.

We will take you through a hands-on journey of various developer tools, debuggers and profilers as well as how to use them effectively to optimize both JS and native code.

During the workshops, you will have the opportunity to troubleshoot and fix issues in real-world examples, learn how to effectively use third-party libraries to achieve seamless performance as well as receive recommendations on best practices for optimizing your React Native apps.

This workshop is ideal for app developers and maintainers who are already familiar with React Native and are seeking solutions to improve their product.

Tomasz Zawadzki avatar
Tomasz Zawadzki
Krzysztof Piaskowy avatar
Krzysztof Piaskowy
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Conference MCs

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Jani Eväkallio

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Nathaniel Okenwa






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What's included in the ticket price?

  • Entry for both days of the conference.
  • Snacks and beverages available throughout the day on both days of the conference.
  • Lunch on both days of the conference.
  • Afterparty with an open bar and snacks at an amazing venue with a breath-taking view.
  • A goodie bag with merch from our organizers and sponsors.
  • If you buy one of the Combo tickets: all of the above plus the entry for the chosen workshop (snacks, drinks and lunch included as well).

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Workshops venue

Park Inn by Radisson

2 Monte Cassino

30-337 Kraków

Conference venue

Stara Zajezdnia

12 Św. Wawrzyńca

31-060 Kraków

About App.js

App.js Conf is a 3-day event focused on React Native and Expo. It’s a place where you meet the creators and maintainers of React Native and Expo, share your experiences, be a part of the community and shape the future of app development with us.

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