@tusharCodes
Tushar Kumar Raj
@tusharCodes
The magic you're looking for is in the work you're avoiding
Mumbai, IndiaJoined January 2026
About
Software Engineer exploring full-stack systems, scalable architectures, and product-focused development.
Experienced with React, React Native, Flutter, TypeScript, Node.js, monorepos, and tRPC. Passionate about building performant applications, solving complex engineering problems, and continuously learning across domains.
Available for
Full-time Software Engineering roles, frontend/full-stack opportunities, collaborative tech projects, and hackathons.
Tushar Kumar Raj's blogs
Recently published
How WhatsApp Works Without Internet: Offline Messaging and Sync Explained
May 31 · 7 min read · Imagine opening WhatsApp while traveling on a flight. Airplane mode is enabled. No internet. No WiFi. No mobile data. Yet something surprising still happens. You type: "Hey, I landed safely." and pres
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How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router
May 22 · 7 min read · Most beginner React Native applications start with folder structures like this: components/ screens/ utils/ api/ At first this feels clean. Then the app grows. You add: authentication notifications
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Expo Router vs React Navigation —Which One Should You Use in 2026?
May 22 · 6 min read · For years, navigation in React Native applications mostly meant one thing React Navigation. It became the standard solution for: moving between screens handling stacks and tabs managing nested navi
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Sessions vs JWT vs Cookies: Understanding Authentication Approaches
May 10 · 5 min read · Imagine entering a large office building. Security needs a way to remember who you are, whether you are allowed inside and what areas you can access Now there are multiple ways this system could work.
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