React Native Developer

Building apps that
work at scale.

I've shipped production React Native apps used by millions, at Zepto and Gameskraft. I build fast, maintainable mobile experiences with clean architecture and attention to performance.

Get in Touch GitHub ↗
Featured Project
FitForge
FitForge
Android React Native TypeScript

A strength training tracker built to fill a gap no existing app covers well. Log workouts live or after the fact, build custom routines, and track your progression over time.

3 Workout Modes
Live, backdated, and routine-based logging
Progress Analytics
Calendar, stats & full session history
Offline-First
No account or internet required
Activity Live Workout Calendar

A few screens from inside the app

Get it on Google Play
View source on GitHub
Other Projects
01 GitHub
React Native Firebase FCM

Production-ready Firebase Cloud Messaging implementation for React Native. Handles push notifications reliably across iOS and Android with a clean API.

02 GitHub
Tooltip

Lightweight, customizable tooltip component for React Native. Zero dependencies, simple API, battle-tested in production apps.

Competitive Programming
Codeforces
2326
International Master
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CodeChef
2318
6-Star Rated
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ACM ICPC
2021
Regional Finalist
Writing
Case Study React Native Coming Soon
Building FitForge: lessons from shipping a solo React Native app end-to-end

From first screen to Play Store. The architecture decisions, the screenshot workflow, the deep link rabbit hole, and what I'd do differently.

Deep Dive
Android App Links in Production: the complete guide to deep linking that actually works

Google Play re-signs your APK, which means your debug signing fingerprint is wrong. Here's how to get universal links working end-to-end.

More on dev.to

Let's connect

Open to projects, questions, or just a hello.

hello@chinmaykarnik.com
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