@pushkarx0

Pushkar Shukla

@pushkarx0Delhi, IndiaJoined May 2026

Full Stack Mobile App Developer

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Pushkar Shukla's blogs

Expo Router vs React Navigation - Which One Should You Use in 2026?expo-router-vs-react-nav.hashnode.dev2 posts

React Virtual DOMpushkarx0.hashnode.dev1 post

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Routerbuild-instagram-wth-expo-router.hashnode.dev1 post

How Instagram Stores Reels, Photos, and Drafts Behind the Scenesinstagram-storage-bts.hashnode.dev1 post

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Recently published

PSPushkar Shuklainstagram-storage-bts.hashnode.devMay 30 · 12 min read

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

You spend four minutes recording a Reel. Nailed the transition. Good lighting. You are almost happy with it but not quite, so you hit "Save Draft" and close Instagram. Three days later you open the ap

PSPushkar Shuklaexpo-router-vs-react-nav.hashnode.devMay 30 · 12 min read

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

Put your phone in airplane mode right now. Open WhatsApp. Type a message and hit send. Something interesting happens. The message appears instantly in the chat. It sits there with a single grey tick.

PSPushkar Shuklabuild-instagram-wth-expo-router.hashnode.devMay 22 · 12 min read

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

Most developers do not struggle with building screens. They struggle with what happens after the app grows. A login screen is easy. A scalable authentication system is not. A chat UI is easy. A realti

PSPushkar Shuklaexpo-router-vs-react-nav.hashnode.devMay 22 · 9 min read

I Switched From React Navigation to Expo Router Here's What Nobody Tells Yo

If you have built even one medium-sized React Native app, you already know this feeling. You start with just two or three screens. Everything feels clean. Then you add authentication. Then tabs. Then

PSPushkar Shuklapushkarx0.hashnode.devMay 8 · 15 min read

React Virtual DOM - Under the hood

A little background. Okay so let's start from very basics, then we'll deep dive into the whole Virtual DOM under the hood. What even is a WebPage? Yes, we are starting from the very begining. When you

Pushkar Shukla

About

Available for

Pushkar Shukla's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

I Switched From React Navigation to Expo Router Here's What Nobody Tells Yo

React Virtual DOM - Under the hood

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Pushkar Shukla

About

Available for

Pushkar Shukla's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router

I Switched From React Navigation to Expo Router Here's What Nobody Tells Yo

React Virtual DOM - Under the hood