--- title: "Brownfield Development With React Native" description: "Learn how to tackle brownfield development with React Native, explore real-world challenges, and discover the React Native Brownfield library." url: https://www.callstack.com/podcasts/brownfield-development-with-react-native-6 updated: 2026-10-24T08:39:41.897Z --- # 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. _Guest: Mike Chudziak, Head of Engineering @ Callstack · Host: Mike Grabowski, CEO & Founder @ Callstack · Published 2021-06-08 · Duration 41:52 · Category: Brownfield_ Listen: [YouTube](https://youtu.be/om2qELEn6Ww) · [Spotify](https://open.spotify.com/episode/5c62jf1K9U5hmnbMk0sK8p) · [Apple Podcasts](https://podcasts.apple.com/dk/podcast/react-native-show-podcast-episode-6-brownfield-development/id1525543072?i=1000524497085) · [SoundCloud](https://soundcloud.com/user-985069846/the-react-native-show-podcast-episode-6-brownfield-development-with-react-native) Based on his own experience, Michał discusses the challenges that app developers are likely to face in brownfield projects. He also shares an actual example of a challenging project so you can hear first-hand what solutions worked best!   The second part focuses on Michał’s brainchild - React Native Brownfield library. Our guest describes its current status and plans for future developments. He also gives details as to what’s inside an Android and iOS package or how the library can facilitate the workflow of [React Native developers](https://callstack.com/team/) and native teams. Play the episode on your favorite platform. You can have little or no experience with React Native brownfield - our experts will explain it all. ## Brownfield development with React Native - Greenfield vs. brownfield projects - Starting a brownfield project - Gradual adoption when integrating new app components - Business benefits of [brownfield development with React Native](https://callstack.com/blog/brownfield-development-with-react-native/) - Challenges faced by developers running brownfield projects - React Native Brownfield library In the first part, Mike and his guest explain what brownfield development means in practice: how it differs from greenfield development, what it’s like to work brownfield, and why brownfield development and React Native are a perfect match. Insights ## Learn more about Brownfield Here's everything we published recently on this topic. [View all](https://www.callstack.com/insights) - [React Native Brownfield Deep Dive: How RN Moves Into Native Applications](https://www.callstack.com/events/react-native-brownfield-deep-dive-how-rn-moves-into-native-applications) (Oct 9 · Talk): Artur Morys-Magiera will explain how React Native can move into an existing native app without forcing a big-bang rewrite. - [React Native in .NET MAUI: A Practical Brownfield Integration Guide](https://www.callstack.com/blog/react-native-in-net-maui-a-practical-brownfield-integration-guide) (Aug 27 · Article): Learn how to embed React Native inside a .NET MAUI app with a brownfield setup. This guide covers runtime packaging, lifecycle wiring, navigation, and shared state across both runtimes. - [Adoption of Brownfield in React Native](https://www.callstack.com/events/adoption-of-brownfield-in-react-native) (Aug 27 · Talk): Artur Morys-Magiera will explain how teams can adopt React Native incrementally inside existing native applications. - [Migration to React Native in 2026 Starts With a Delivery Question](https://www.callstack.com/blog/migration-to-react-native-in-2026-starts-with-a-delivery-question) (Aug 3 · Article): Choosing between brownfield and greenfield React Native migration? Learn where risk sits, when to use a checkpoint, and what to prove before committing. - [How we made Hybrid iOS apps compile 39% faster with React Native Brownfield](https://www.callstack.com/blog/how-we-made-hybrid-ios-apps-compile-39-faster-with-react-native-brownfield) (Jul 8 · Article): See how React Native Brownfield uses iOS prebuilts to cut packaging times by up to 39% for hybrid apps, with details on setup, internals, and benchmark results. - [How We Made the Brownfield Gradle Plugin 22% Faster](https://www.callstack.com/blog/how-we-made-the-brownfield-gradle-plugin-22-faster) (Jun 18 · Article): See how task-driven Gradle optimization made the Brownfield Gradle Plugin 22% faster for clean Android release builds. - [AI-Supported Brownfield Migration to React Native](https://www.callstack.com/blog/ai-supported-brownfield-migration-to-react-native) (Jun 3 · Article): See how AI-supported workflows cut brownfield React Native evaluation from weeks to days by speeding up setup, planning, implementation, and QA. - [Unlocking Expo Updates in an Isolated Brownfield Architecture with SDK 55](https://www.callstack.com/blog/unlocking-expo-updates-in-an-isolated-brownfield-architecture-with-sdk-55) (May 18 · Article): Learn how to enable Expo Updates in an Isolated Brownfield setup with Expo SDK 55, including iOS packaging, Android patching, and OTA testing. - [State of Brownfield in React Native](https://www.callstack.com/events/state-of-brownfield-in-react-native) (Apr 23 · Talk): A practical look at Brownfield React Native adoption in mature native apps, architecture, tooling, and real-world tradeoffs.