Umar A.

🏆 Top Rated Flutter Developer | $50K+ Earned | 30+ Upwork Jobs Looking for a senior Flutter developer to build, launch, or improve your iOS and Android app? I help startups and businesses build production-ready Flutter applications, integrate AI-powered features, and modernize existing apps with Firebase, scalable architecture, and reliable API integrations. From MVP to App Store and Google Play releases, I focus on performance, clean code, and long-term maintainability. WHAT I CAN HELP YOU WITH Flutter App Development • Cross-platform iOS and Android apps, from MVP to production • FlutterFlow development and FlutterFlow-to-Flutter migration • Existing app troubleshooting, performance optimization, and maintenance • App Store and Google Play deployment AI & Real-Time Applications • OpenAI, Gemini, and Claude API integrations • AI chatbots, conversational assistants, and voice AI experiences • Speech-to-text, text-to-speech, and real-time WebSocket communication • Smart recommendations and AI-enabled app features Firebase, APIs & Payments • Firebase Auth, Firestore, Cloud Functions, and FCM • REST API integrations, synchronization, and push notifications • Stripe, RevenueCat, Apple Pay, and in-app subscriptions • Google Maps, location services, analytics, and crash reporting Architecture & Production Engineering • Clean Architecture, BLoC, Riverpod, and MVVM • Flutter codebase modernization and SDK/dependency migrations • CI/CD with GitHub Actions and Fastlane • Debugging, testing, and release support for live applications WHY WORK WITH ME? ✓ Top Rated freelancer with $50K+ in Upwork earnings ✓ Experience delivering Flutter apps across fintech, e-commerce, health, social, and AI use cases ✓ Production-minded architecture and maintainable code ✓ Clear communication, collaboration, and ongoing support Whether you're launching a new Flutter app, enhancing an existing product, or integrating AI features, send me a message with your requirements and I'll help you plan the next steps.