Tanzeel H.

Top Rated Flutter developer with $70K+ earned on Upwork. I've shipped apps live on the App Store and Google Play, including ScreenCoach, Matchark, CarbonVoice and Saool. My longest client kept me on for 2 years and 1,100+ hours building Android TV apps for digital signage and hospitality, a $35K+ contract with a 5-star rating. What I build • New Flutter apps and MVPs for iOS and Android, through to App Store and Google Play launch • Fixes and finishing work on existing Flutter apps: crashes, broken builds, store rejections • Firebase backends, push notifications and in-app purchases • Real-time GPS and background location • Android TV, kiosk and digital signage apps Apps I have shipped • ScreenCoach (Australia): parental screen time app on iOS, Android, Web, macOS and Windows from one Flutter codebase. I wrote the native Swift modules for Apple's Screen Time API. • Matchark (UK): sports app that connects players and clubs. I led mobile development and a small team of developers. • CarbonVoice (US): voice messaging app for teams. I built the real-time animation at the core of the app. • Saool: Arabic quiz app for Android, built by me from scratch on top of an existing API. • ResQTrac: safety app with background GPS and emergency alerts that arrive even when the app is closed. Built end to end over 5 milestones. How I work • Fixed-price milestones, so you know the cost before we start • A test build and a short video demo at every milestone • Tested on real iOS and Android devices • You talk to me directly, and I write the code myself Send me your idea or your repo and I will reply with how I would approach it and a fixed price for the first milestone.