@arushk

How Instagram Stores Reels, Photos, and Drafts : A Deep Dive into Media Storage Architecture

May 31 · 9 min read · Deep Dive into Social Media Media Storage Architecture Imagine you are standing on a scenic cliff, recording a high-definition, 60-frames-per-second Instagram Reel. You add a neon filter, layer on a t

How Messages Reach Their Destination Without Internet

May 30 · 5 min read · Imagine you are on a flight with Airplane Mode ON. You send an urgent message to your friend: "Bro, let's meet after I land." There is no internet, but when you press Send, the message does not disapp

Expo Router vs React Navigation

May 19 · 12 min read · Overview Every mobile app has one invisible system that controls almost everything: Navigation. When users open a screen, go back, switch tabs, login, logout, open deep links, or move through onboardi

React Virtual Dom Impact

May 5 · 8 min read · Initial Render Process in React If you look at this diagram carefully So here, it’s important to understand what React is doing. Without the Virtual DOM, what is the problem? Normally, what happens

About me

May 4 · 1 min read · Hey everyone 👋, I’m a full-stack web developer passionate about turning ideas into powerful, interactive web applications. I focus on building project or product that are efficient, scalable, and d