//
Events

Upcoming events

We don’t just build with React and React Native—we share what we’ve learned. Meet our team at the following events, ask questions, and take away ideas for you.

upcoming-events-cover
Live Stream
Online
Live Dev Session: React Universe News, Tools & Code

React & React Native live stream: new tools, news, coding experiments, and developer opinions—raw, unscripted, and full of real-time insights.

Register now
Get ticket
Meetup
New York City, USA
Online
React Universe Meetup, New York

Join us in NYC or online for React Universe Meetup: tech talks, real-world insights, and networking with React Native devs. June 24, 2025.

Register now
Get ticket
upcoming-events-cover
Conference
Wroclaw, Poland
Online
React Universe Conf 2025

React Universe Conf unites developers and leaders to explore trends, share insights, and push the limits of React and React Native.

Register now
Get ticket
upcoming-events-cover
Conference
Henderson, Nevada, USA
Online
React Conf 2025

We’re thrilled to announce that Callstack is once again co-hosting React Conf 2025 with Meta!

Register now
Get ticket
//
watch

Past events

Explore talks, webinars, and live streams from the past—packed with engineering insights from Callstackers who shape modern cross-platform app development.

ALL
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Insight Page
Super Apps
Talk
13/6/2025

Building Cross-Platform Federated Modules with React, React Native, and Re.Pack

Discover how Module Federation and Re.Pack enable true cross-platform super apps with React Native. Learn best practices and real-world strategies for dynamic, modular architectures.
Mike Grabowski
Insight Page
Community
Live Stream
10/6/2025

React Universe, Unfiltered: WWDC, AI, Storybook, and Dev Hot Takes

A live, unscripted dev session on Apple WWDC, on-device AI, Storybook drama, and the quirks of React Native—plus lots of developer side quests.
Łukasz Chludziński
Kewin Wereszczyński
Insight Page
AI
Live Stream
3/6/2025

Run LLMs Locally With React Native & MLC

Watch how MLC brings on-device AI to React Native. See react-native-ai in action and discover what’s next for local model execution.
Mike Grabowski
Szymon Rybczak
Kewin Wereszczyński
Insight Page
TV
Talk
29/5/2025

The Bigger Picture

React Native lessons from TV that scale: performance, architecture & cross-platform code strategies—beyond mobile, across devices.
Łukasz Chludziński
Anisha Malde
Insight Page
Super Apps
Talk
21/5/2025

Building Universal Super Apps With React & React Native

Discover how to build universal Super Apps using React and React Native. Join Mike Grabowski, CTO at Callstack, as he explores dynamic code delivery, native UI rendering, and how RePack bridges the gap with Module Federation.
Mike Grabowski
Insight Page
Super Apps
Live Stream
20/5/2025

What’s New in Re.Pack 5.1: Live Overview

Explore runtime hooks, prefetching MF remotes, and more in Re.Pack 5.1. Join us live or watch the replay.
Jakub Romańczyk
Mike Grabowski
Insight Page
Enterprise
Talk
24/4/2025

Native Apps Without a Build Step

Learn how Callstack’s new React Native framework slashes CI times and simplifies enterprise-scale mobile development.
Michał Pierzchala
Insight Page
Performance
Talk
24/4/2025

Tips & Tricks From The Ultimate Guide to React Native Optimization 2025

View flattening, React 19 hooks, real DevTools tips—learn what actually helps your React Native app run faster.
Oskar Kwaśniewski
Insight Page
Performance
Talk
24/4/2025

User-Focused Performance Tracking

Discover how Expensify defines and tracks performance metrics that actually impact user experience.
Tim Golen
Sorry, nothing to see here...
Try different category or just safely check all.
See All
//
Hire us

Need React or React Native
expertise you can count on?

We’ve spent years building full-stack, cross-platform apps and solving tough technical challenges. How can we help you?

Let’s talk
//
Insights

Your next read or watch starts here

Stay up to date with our latest insights on React, React Native, and cross-platform development from the people who build the technology and scale with it daily.

View all
Sort
cover
Article
6/4/2025

How I Used MCP to Control My Friend's Home

Learn how MCP works with a hands-on project that connects Claude AI to smart home data using a Node.js server.
cover
Article
5/28/2025

Want to Run LLMs on Your Device? Meet MLC

Find out how MLC compiles both model and runtime for efficient local LLM inference—and what that means for running AI on your Android or iOS app.
cover
Article
5/21/2025

Multithreading Isn’t Free: Performance Pitfalls Visualized

Learn how to profile and optimize multithreaded apps. Discover why more threads don’t always mean faster results and how bad thread contention really is.
cover
Article
5/15/2025

Meet react-native-ai: LLMs Running on Mobile, for Real

Run AI models on-device in React Native apps using the new react-native-ai library, powered by MLC and Vercel AI SDK. Learn how it works and why it matters.
cover
Article
5/14/2025

New in Re.Pack 5.1: Preloading Remotes, Runtime Hooks, and Faster Startups

Re.Pack 5.1 introduces runtime hooks, preloading of remote modules with Module Federation, and experimental persistent cache for faster startups—plus full React Native 0.79 support.
cover
Article
5/13/2025

React Native Legal: Zero-Config OSS License Screens for Your App

Add license acknowledgments to your React Native app with ease using React Native Legal—a zero-config tool for OSS compliance across iOS, Android, tvOS, and AndroidTV platforms.
cover
Talk
Talk
6/13/2025

Building Cross-Platform Federated Modules with React, React Native, and Re.Pack

Discover how Module Federation and Re.Pack enable true cross-platform super apps with React Native. Learn best practices and real-world strategies for dynamic, modular architectures.
cover
Live Stream
Live Stream
6/10/2025

React Universe, Unfiltered: WWDC, AI, Storybook, and Dev Hot Takes

A live, unscripted dev session on Apple WWDC, on-device AI, Storybook drama, and the quirks of React Native—plus lots of developer side quests.
cover
Live Stream
Live Stream
6/3/2025

Run LLMs Locally With React Native & MLC

Watch how MLC brings on-device AI to React Native. See react-native-ai in action and discover what’s next for local model execution.
cover
Podcast
6/12/2025

Build Faster and Scale Smarter With React Native Enterprise Framework

Discover how React Native Enterprise Framework cuts build times, streamlines CI, and simplifies large-scale app development for growing teams.
cover
Podcast
5/16/2025

You Don’t Need a Rewrite, You Need React Native Brownfield

Discover how modern React Native Brownfield integration enables cross-platform power in native apps, without rewriting from scratch.
cover
Podcast
4/9/2025

Exploring TanStack Ecosystem: From React Query to TanStack Start

Tanner Linsley breaks down TanStack’s evolution—from React Query to Start—and why client-first React apps still matter in today’s full-stack landscape.