Pushkar Shukla

@pushkarx0

Full Stack Mobile App Developer

Delhi, IndiaJoined May 2026

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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

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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.

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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

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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

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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

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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

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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