@hanand21

HIMANSHU ANAND

@hanand21

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"Code smarter, not harder — AI at your fingertips."

kolkataJoined January 2026

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HIMANSHU ANAND's blogs

HIMANSHU ANANDhanand.hashnode.dev30 posts

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HAHIMANSHU ANANDhanand.hashnode.devMay 30 · 8 min read

Behind the Scenes of Social Media Apps: How Reels, Photos, and Drafts Are Stored and Delivered

Every day, millions of people record Reels, upload photos, save drafts, and watch videos on social media platforms. To users, everything feels simple: tap record, add effects, save, upload, and share.

HAHIMANSHU ANANDhanand.hashnode.devMay 30 · 9 min read

Building Production-Grade React Native Apps: Architecture Lessons from Instagram, WhatsApp, Uber, and Netflix

Modern mobile applications are no longer simple collections of screens connected by navigation routes. Applications such as Instagram, WhatsApp, Uber, and Netflix serve millions of users while handlin

HAHIMANSHU ANANDhanand.hashnode.devMay 30 · 7 min read

How Messaging Apps Work Offline: Designing Reliable Chat Systems

Imagine you're on a flight with Airplane Mode enabled. You open your favorite messaging app, type: "Hey, I'll reach by 7 PM." You hit Send. Surprisingly, the message appears instantly in your chat w

HAHIMANSHU ANANDhanand.hashnode.devMay 30 · 7 min read

Understanding React Virtual DOM: How React Updates the UI Efficiently

Modern web applications update their interfaces constantly. Notifications appear, forms update while typing, messages arrive in real time, and dashboards refresh data every few seconds. If every small

HAHIMANSHU ANANDhanand.hashnode.devMay 22 · 12 min read

React Navigation vs Expo Router — Understanding Mobile Routing in React Native

Mobile applications are no longer just collections of screens. Modern apps behave like complete ecosystems where users continuously move between dashboards, authentication flows, settings pages, notif

HIMANSHU ANAND

About

Available for

HIMANSHU ANAND's blogs

Recently published

Behind the Scenes of Social Media Apps: How Reels, Photos, and Drafts Are Stored and Delivered

Building Production-Grade React Native Apps: Architecture Lessons from Instagram, WhatsApp, Uber, and Netflix

How Messaging Apps Work Offline: Designing Reliable Chat Systems

Understanding React Virtual DOM: How React Updates the UI Efficiently

React Navigation vs Expo Router — Understanding Mobile Routing in React Native

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HIMANSHU ANAND

About

Available for

HIMANSHU ANAND's blogs

Recently published

Behind the Scenes of Social Media Apps: How Reels, Photos, and Drafts Are Stored and Delivered

Building Production-Grade React Native Apps: Architecture Lessons from Instagram, WhatsApp, Uber, and Netflix

How Messaging Apps Work Offline: Designing Reliable Chat Systems

Understanding React Virtual DOM: How React Updates the UI Efficiently

React Navigation vs Expo Router — Understanding Mobile Routing in React Native