---
title: "Discussion on \"How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router\" | Hashnode"
description: "Discussion on \"How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router\". Learn how modern large-scale mobile apps are architected using Expo Router, feature-based architecture, scalable navigation patterns, realtime systems, caching strategies, and production engineering practices."
url: "https://hashnode.com/posts/how-instagram-whatsapp-uber-netflix-would-be-built-today-using-expo-router/6a1118a81f237623ea5747fd"
---

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Discussion

# [How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router](https://withprathamkumar.hashnode.dev/how-instagram-whatsapp-uber-netflix-would-be-built-today-using-expo-router?utm_source=hashnode&utm_medium=feed)

Learn how modern large-scale mobile apps are architected using Expo Router, feature-based architecture, scalable navigation patterns, realtime systems, caching strategies, and production engineering practices.

May 23 · 6 min read · withprathamkumar.hashnode.dev  
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-   [#react-native](https://hashnode.com/tag/react-native)
-   [#expo](https://hashnode.com/tag/expo)
-   [#instagram](https://hashnode.com/tag/instagram)
-   [#whatsapp](https://hashnode.com/tag/whatsapp)
-   [#uber](https://hashnode.com/tag/uber)
-   [#netflix](https://hashnode.com/tag/netflix)
-   [#expo-router](https://hashnode.com/tag/expo-router)

## Written by

[Pratham Kumar](https://hashnode.com/@devprathamkumar)

@devprathamkumar

  
[View profile](https://hashnode.com/@devprathamkumar)

Engineering solutions through code.

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