Sweta V.
Senior Flutter Developer | Firebase & AI Mobile App Specialist
Top Rated Plus | 8,700+ Upwork Hours | $200K+ Earned | 100% Job Success Iโm a Senior Flutter Developer with 8+ years of experience building, launching, and maintaining production mobile applications for startups, SaaS companies, and growing businesses. I have delivered 24+ production applications across fintech, healthcare, logistics, e-commerce, SaaS, and enterprise solutions. My primary focus is ๐๐๐จ๐ง๐ง๐๐ฅ ๐๐ฃ๐ฃ ๐๐๐ฉ๐๐๐ข๐ฃ๐ ๐๐ก๐ง ๐๐ข๐ฅ ๐๐ข๐ฆ ๐๐ก๐ ๐๐ก๐๐ฅ๐ข๐๐, with strong experience in Firebase, FlutterFlow, AI integrations, REST APIs, Supabase, payment gateways, push notifications, maps, offline synchronization, and native mobile integrations. I work on both new products and existing applications โ from building an MVP from Figma designs to improving a production app that needs new features, better performance, or ongoing technical support. ๐๐๐จ๐ง๐ง๐๐ฅ ๐๐๐ฉ๐๐๐ข๐ฃ๐ ๐๐ก๐ง โ New Flutter mobile applications from Figma/design to App Store launch โ MVP development and rapid product launches โ Existing Flutter app development and feature enhancements โ Flutter app modernization and migration โ Performance optimization and crash reduction โ Firebase integration and backend development โ REST API and third-party API integrations โ Payment gateway and subscription integrations โ Push notifications and real-time features โ Offline-first applications and data synchronization โ Native iOS & Android integrations โ App Store Connect and Google Play deployment ๐๐-๐ฃ๐ข๐ช๐๐ฅ๐๐ ๐ ๐ข๐๐๐๐ ๐๐ฃ๐ฃ๐ฆ I build mobile applications that use AI to provide practical product features, including: โ OpenAI & Claude integrations โ AI chat and conversational experiences โ OCR and document processing โ AI-powered search and recommendations โ AI assistants inside mobile applications โ Structured data extraction โ AI workflows connected to Firebase and REST APIs ๐ช๐๐ฌ ๐๐๐๐๐ก๐ง๐ฆ ๐ช๐ข๐ฅ๐ ๐ช๐๐ง๐ ๐ ๐ Production Experience 24+ Flutter, FlutterFlow, and React Native applications delivered for real businesses and startups. Scalable Architecture I build maintainable applications using Clean Architecture, BLoC, Riverpod, Provider, Firebase, and offline synchronization where appropriate. Full-Cycle Development I can take your application from idea โ UI implementation โ development โ API integration โ testing โ App Store/Google Play submission โ ongoing support. Performance & Stability I have experience improving application performance, reducing crashes, fixing production issues, and modernizing existing codebases. Long-Term Partnership I work with businesses that need more than a one-time developer โ including ongoing feature development, maintenance, optimization, and technical support. ๐ฅ๐๐๐๐ก๐ง ๐๐ซ๐ฃ๐๐ฅ๐๐๐ก๐๐ โข Built Flutter applications for fintech, healthcare, logistics, e-commerce, SaaS, and enterprise businesses โข Built AI-powered applications using OpenAI, Claude, OCR, and document processing โข Integrated Firebase, REST APIs, Supabase, payment gateways, maps, push notifications, and third-party services โข Improved live application performance by 25โ50% in selected projects โข Reduced crash rates by up to 40% in selected applications โข Supported startup MVPs from development through App Store and Google Play launch โข Completed long-term client engagements of 1,500+ hours ๐ง๐๐๐๐ก๐๐๐๐ ๐ฆ๐ง๐๐๐ Mobile: Flutter, Dart, React Native, Swift, SwiftUI, Kotlin, .NET MAUI, Backend: Firebase (Auth, Firestore, Functions), REST APIs, Supabase, MQTT Architecture: Clean Architecture, BLoC, Riverpod, Provider, Redux, offline-first synchronization AI: OpenAI, Claude, OCR, Document Processing, Conversational AI Integrations: Payment Gateways, Maps, REST APIs, Third-Party APIs, Push Notifications Deployment: CI/CD, App Store Connect, Google Play Console, Expo, Native Modules ๐๐ฃ๐ฃ๐๐๐๐๐ง๐๐ข๐ก๐ฆ ๐ ๐๐จ๐๐๐ง: โข Fintech & Payments โข Healthcare & Telemedicine โข Logistics & Delivery โข Inventory & Sales Management โข SaaS Platforms โข Social & Community Apps โข Internal Enterprise Applications โข AI-Powered Mobile Applications ๐๐๐ฉ๐ ๐ ๐๐๐จ๐ง๐ง๐๐ฅ ๐ฃ๐ฅ๐ข๐๐๐๐ง? If you need a Senior Flutter Developer to build a new mobile application, add features to an existing product, integrate Firebase/API/AI services, or improve the performance of your current Flutter app, Iโd be happy to help. Send me your project requirements, current app/codebase, or Figma designs. Iโll review the requirements and help you determine the right technical approach, development plan, and next steps.