Mike Grabowski

Mike Grabowski

CTO

Passionate about cross-platform technologies. When not working, you can find him on a race track.

What I’ve been shipping

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Article
1/22/2025

Flows AI: Your Library for Building AI Workflows on Top of Vercel AI SDK

Discover Flows AI, a lightweight library for building AI workflows with Vercel AI SDK. Simplify agent orchestration and explore flexible, scalable solutions.
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Article
11/18/2024

Why Brownfield Development With React Native Is Worth Your Attention

Reduce time-to-market, development cost, and move faster with features by implementing React Native with a brownfield approach.
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Article
1/27/2023

Why Is It Worth to Automate Your Dependency Management with `Autolinking`?

When you automate your dependency management, you can fully focus on developing your app. Find out how you can do it with autolinking.
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Article
5/14/2022

Ship OTA (Over-The-Air) When in an Emergency

Shipping Over-The-Air may save your app from a lot of trouble. Find out why and how you can make your application OTA-ready.
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Article
5/10/2022

Shipping Fast With Continuous Deployment

Continuous Deployment (CD) lets you ship new features or check for critical bugs fast. Find out more about developing apps with a CD setup.
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Article
12/21/2021

Optimize React Native Apps' Battery Drain With Mobile-Dedicated Libraries

Use libraries dedicated to mobile and build features faster on many platforms at once, without compromising on the performance and user experience.
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Article
12/20/2021

How to Choose Tools Wisely and Build Fast-Working React Native Apps

Find the balance between native and JavaScript to build fast-working and easy-to-maintain apps.
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Article
12/13/2021

How Can Continuous Integration (CI) Improve Your React Native Apps?

Read the article and find out how Continuous Integration (CI) can improve the building, testing, and distribution of your React Native apps.
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Article
12/5/2021

How Can Higher-Order Components Improve Performance of React Native Apps?

How to use dedicated, higher-ordered React Native components to improve user experience and performance of your apps.
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podcast
10/28/2020

RNEU 2020 Conference Q&A Panel

This episode provides insights into the most intriguing aspects of React Native. Check the podcast to find out what our special guests have to say!
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podcast
12/18/2024

React Native FastIO: Nitro-Powered Performance Boost

Listen to Mike Grabowski talk about React Native FastIO, a collection of primitives for working with data in React Native and its performance benefits.
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podcast
9/14/2021

React Native Development on Windows

Explore how React Native Windows compares to Electron, its benefits for desktop apps, and practical tips for getting started or migrating from native apps.
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podcast
11/23/2021

React Native EU 2021 Q&A Panel

The 10th episode of The React Native Show podcast includes the answers for questions asked during React Native Eu 2021 conference in the Q&A panel form.
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podcast
5/11/2021

React Native 0.64 With Hermes for iOS

Discover how Hermes boosts React Native performance on iOS and macOS, with insights into AOT, bytecode precompilation, and the future of Hermes support.
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podcast
7/6/2021

Re.Pack - Bringing Webpack to React Native

This episode explores Re.Pack, an Open Source, Webpack-based toolkit to build React Native apps with the full support of the Webpack ecosystem.
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podcast
8/11/2020

Look into the Future of React Native Testing Library

The first episode of React Universe On Air (formerly known as The React Native Show) provides insights into React Native Testing Library. Mike and his guest give a quick glimpse into the very concept of Testing Library and tell the story behind React Native Testing Library.
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podcast
1/13/2025

Lessons from Shopify's Migration to React Native with Mustafa Ali

Learn how Shopify's migration to React Native led to 86% code unification, reduced build times, and seamless feature parity across platforms.
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podcast
3/26/2025

How Definitely Typed Changed TypeScript Forever

Discover the story behind Definitely Typed with its creator, Boris Yankov, and learn how it became essential for type-safe JavaScript in the TypeScript ecosystem.
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podcast
3/31/2021

Expert Guide to React Navigation

Tune in to React Universe On Air to learn what's new in React Navigation 5, how it improves app routing in React Native, and what to expect from the upcoming v6.0 release.
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podcast
12/15/2020

Dive Into React Native Paper UI Kit

Learn everything about React Native Paper—from its core features to native-like animations, performance with Turbo Modules, and future development plans.
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podcast
6/8/2021

Brownfield Development With React Native

Learn how to tackle brownfield development with React Native, explore real-world challenges, and discover the React Native Brownfield library.
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Event
Webinar
Live Stream
5/20/2025

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.
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Event
Webinar
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.
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Event
Webinar
Talk
5/21/2025

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.
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Event
Webinar
Webinar
4/28/2025

Master JavaScript Performance in React Native (Part 2)

Learn to fix JS performance issues in React Native—from debounce bugs to Redux selectors—in this hands-on webinar with real code examples.
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Event
Webinar
Webinar
5/12/2025

From Hours to Minutes: Making Your React Native CI Builds 20x Faster

Discover how to skip 90% of native builds in React Native CI using RNEF. Includes a live demo and cost-saving insights from Expensify’s setup.
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Event
Webinar
Meetup
4/24/2025

React Universe Meetup: San Francisco

Missed the React Universe Meetup SF? Watch the livestream recording soon—talks on RN performance, optimization, and build-free workflows await.
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Event
Webinar
Webinar
4/15/2025

Master JavaScript Performance in React Native (Part 1)

Watch Callstack's webinar on React Native JS performance. Learn to fix bottlenecks, leaks & FPS issues from the 2025 Ultimate Guide authors.
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Event
Webinar
Webinar
3/27/2025

Why You Need React Native Enterprise Framework

Learn more about Callstack's React Native Enterprise Framework straight from its creators.
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Event
Webinar
Webinar
3/13/2025

Using React Native in Existing Apps for Faster Cross-Platform Features

Learn how to use React Native in existing apps to speed up cross-platform development without a full rewrite. Watch the expert-led webinar now.
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Event
Webinar
Live Stream
2/3/2025

React Native WebAssembly Release Walkthrough

Join us for a deep dive into Polygen: Callstack Incubator's breakthrough in React Native development!
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Event
Webinar
Live Stream
3/10/2025

LynxJS: First Impressions, Live Coding & What’s Under the Hood

We’re checking out LynxJS for the first time! Join us as we test it out, see how it works, and share their thoughts.
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Event
Webinar
Live Stream
2/24/2025

Building React Universe Conf App With Replit

Mike and Oskar tried both Repl.it and Bolt.new to code a new conference app, and after burning millions of tokens, they fell back to Cursor.
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