Rana W.

React Native and Flutter developer with 7 years building AI powered iOS and Android apps. OpenAI API integration, App Store to Google Play, Startup MVP to scaled production product. I have shipped 4 live production apps across marketplaces, fintech, travel, and social fitness: MyUsta: AI-powered service marketplace matching local professionals to clients in real time RoamAround: AI travel app with personalized itineraries serving thousands of active users Racqy: Social outdoor activity app with real-time GPS tracking and live social engagement Arth: FinTech app with high-security financial data management and transaction processing What I build: AI mobile apps: OpenAI API, ChatGPT integration, LangChain, GPT-4 Marketplace apps: buyer/seller flows, real-time chat, GPS matching FinTech apps: Stripe, RevenueCat, secure auth, transaction managementGPS and location apps: Google Maps API, live tracking, geofencing Startup MVPs: idea to App Store in 4 to 8 weeks Full-stack delivery: React Native or Flutter frontend + Node.js + Firebase or Supabase How every project runs: Week 1 → Discovery, architecture, Figma review Week 2+ → Sprint delivery testable build on your phone every week Final → App Store Connect + Google Play submission + full handoff documentation Tech stack: Mobile: React Native CLI, Expo, Flutter/Dart, Swift, Kotlin AI: OpenAI API, ChatGPT integration, LangChain, GPT-4 Backend: Node.js, Express, Firebase, Supabase, MongoDB, PostgreSQL APIs: Stripe, RevenueCat, Google Maps, Twilio, GraphQL, REST APIs Delivery: App Store Connect, Google Play Console, TestFlight, CI/CD Currently leading the development team at Enxsys, shipping enterprise mobile and web products. 7 years. 4 live apps. Team Lead. Zero missed App Store deadlines. Send me your app idea I will come back within a few hours with the right stack, a realistic timeline, and a clear first step.