How Instagram Stores Reels, Photos, & Drafts Behind the ScenesAn elegant, step-by-step breakdown of how modern social networks manage high-volume media ingestion, offline drafts, compression pipelines, and global delivery.4 min read·my-blog-mobile-developments.hashnode.devMay 31
How WhatsApp Works Without Internet: Offline Messaging and Sync ExplainedOffline messaging, local persistence, message queuing, and sync — explained for mobile developers building with React Native.10 min read·my-blog-mobile-developments.hashnode.devMay 31
How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo RouterLearn how production-scale apps like Instagram, WhatsApp, Uber & Netflix would be architected today using Expo Router and React Native.14 min read·my-blog-mobile-developments.hashnode.devMay 29
How React Virtual DOM works under the HoodA step-by-step mental model of how React renders, diffs, and commits — without touching Fiber internals.7 min read·my-blog-mobile-developments.hashnode.devMay 7
How Node.js Handles Multiple Requests with a Single ThreadNode.js doesn't use multiple threads to handle concurrency — and that's not a weakness. Here's exactly how it pulls off handling thousands of connections without breaking a sweat.7 min read·blog.xpvishal.dev22NEMay 1