Ali K.

Flutter Developer specializing in building, fixing, and scaling iOS and Android apps. Need an MVP, Firebase/API integration, bug fixes, or help taking over an existing app? I have shipped 50+ apps with 7+ years of experience developing production-ready mobile applications. I am a Top Rated Plus freelancer with 100% Job Success and $100K+ earned on Upwork. My primary expertise is Flutter App Development, followed by FlutterFlow Development and Bubble Development. FLUTTER DEVELOPMENT | iOS, ANDROID & WEB • Flutter & Dart App Development, Cross-Platform Mobile Apps • MVP Development, Figma to Flutter, Pixel-Perfect UI • Flutter Bug Fixing, Debugging, Code Review & Maintenance • Existing Flutter App Takeover, Refactoring & Modernization • Firebase, Firestore, Cloud Functions, Authentication & FCM • REST API Integration, Third-Party SDKs & Backend Integration • GetX, Bloc, Riverpod, Provider, MVVM & Clean Architecture • Stripe, RevenueCat, In-App Purchases & Subscriptions • AI App Development, OpenAI API, LLM & AI Integrations • Video Player Development, Video Streaming & Audio Playback • Custom Media Players, AVPlayer, Background Audio & Playback Controls • Google Maps, Push Notifications, Offline Sync & Real-Time Data • App Performance Optimization & Scalability • App Store & Google Play Deployment/Publishing FLUTTERFLOW DEVELOPMENT • FlutterFlow Mobile App & MVP Development • FlutterFlow Custom Code, Custom Widgets & Actions • Figma to FlutterFlow, Firebase & Supabase • API Integrations, Authentication & Payments • FlutterFlow Debugging, Optimization & App Publishing BUBBLE DEVELOPMENT | SAAS & NO-CODE • Bubble MVP Development, SaaS Platforms & Marketplaces • Bubble Database Design, Workflows & Optimization • API Integrations, Stripe, OpenAI & Automation • Xano, Airtable & Third-Party Integrations • Existing Bubble App Maintenance & Bug Fixing AI INTEGRATIONS & DEVELOPMENT TOOLS • AI API Integration, Workflow Automation & Custom AI Features • Cursor AI, Claude & OpenAI Codex for AI-Assisted Development WHY CLIENTS HIRE ME • 7+ Years of Flutter and Mobile App Development Experience • 50+ Apps Shipped Across Healthcare, Fintech, Fitness, SaaS, E-commerce & Education • Experience Taking Over Existing and Unfinished Projects • Clean, Maintainable Code & Clear Communication • Complete Development Support From MVP to App Store Launch Have a Flutter, FlutterFlow, or Bubble project? Send me your requirements or describe the issue you are facing. I would be happy to discuss the best approach.