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Podcast

React Universe On Air

A podcast about building cross-platform apps with React and React Native, featuring practical lessons, forward-looking ideas, and talks with industry leaders.

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Building v0 iOS and Fixing React Native Along the Way

A technical look at building v0 mobile with React Native and Expo, covering iOS-first decisions, native modules, and fixes pushed to React Native core. Featuring Fernando Rojo, Szymon Rybczak, and Oskar Kwaśniewski.

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Pick your format

Regular episodes

Our core series tackling technical challenges and best practices in React and React Native development.

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React Native At Scale

Stories from Fortune 500 and large companies that push React and React Native to its limits.

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Coffee Talks

Candid conversations on trends, challenges, and opportunities in the React and React Native ecosystem.

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Available on your favorite platforms

Listen on Spotify

Watch on YouTube

Listen on SoundCloud

Listen on Apple Podcasts

Meet your hosts

React Universe isn’t just their toolkit-it’s their day job, side project, and late-night Slack thread. Meet the engineers behind the mics.

Aleksandra Desmurs-Linczewska

Aleksandra Desmurs-Linczewska

Software Engineer

Aleksandra Pytko-Włodarczyk

Aleksandra Pytko-Włodarczyk

Marketing Lead & Podcast Producer

Mike Grabowski

Mike Grabowski

CTO & Founder

Łukasz Chludziński

Łukasz Chludziński

Software Engineer

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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?

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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.

Introducing Brownie: Type-Safe Shared State for React Native Brownfield Apps

A type-safe shared state library for React Native brownfield apps. Brownie syncs native and React state from a single TypeScript schema.

Announcing: React Native Best Practices for AI Agents

We're turning React Native optimization knowledge into agent-ready skills (JS, native, bundling) mapped to FPS and TTI, built from real-world production work

Live Activities and Widgets with React: Say Hello to Voltra

Voltra lets you build iOS Live Activities and widgets for React Native using JSX instead of Swift.

React Native Wrapped 2025: A Month-by-Month Recap of The Year

Seven major React Native releases in 2025, React Native turns 10, the New Architecture becomes the default, and 1.0 moves into view. A recap of 2025’s biggest RN updates.

Visualizing the Dual-Thread Model of Lynx JS

A practical look at Lynx JS’s dual-thread runtime, using real examples to show how main and background threads behave under load.

Why You Don’t Have to Minify JavaScript Code in React Native Apps

React Native skips JavaScript minification in production because Hermes handles dead code elimination at the bytecode level. Here’s how and why it works.

React And React Native: The Year Kick-Off

Start the year with a React and React Native ecosystem catch-up, live coding, and practical insights from Callstack engineers.

Building iOS Live Activities with React

Learn how to build iOS Live Activities and Dynamic Island experiences using pure JSX, no Swift or native code required.

React Native 0.83: A Stability-Focused Release With Surprisingly Big Quality-of-Life Wins

Join Łukasz Kewin for a walkthrough of React Native 0.83, recent ecosystem news, and hands-on demos.

Building v0 iOS and Fixing React Native Along the Way

A technical look at building v0 mobile with React Native and Expo, covering iOS-first decisions, native modules, and fixes pushed to React Native core. Featuring Fernando Rojo, Szymon Rybczak, and Oskar Kwaśniewski.

A (Secure) Christmas Carol: The Story of Npmezer Scrooge

A holiday story about npm audits, unpinned dependencies, and the real cost of ignoring JavaScript security warnings.

Beyond Static vs. Dynamic: Next.js's New Unified Model

Aurora Scharff (Crayon Consulting) explains how Next.js is moving to a unified model that ends the static/dynamic split and helps developers manage Suspense boundaries.