Muhammad Usama A.
Flutter App Developer | Flutter Developer | iOS App & Android App
I’m a Flutter App Developer building iOS apps & Android apps for startups and growing businesses. With 8.5+ years of Flutter app experience, I turn product ideas into working flutter app with clear interfaces, backend integrations, and reliable performance. My work covers Flutter app development, flutter app API integration, Firebase and Supabase backends with flutter app, subscriptions, AI features, and ongoing maintenance. Looking for a Flutter app developer to build your iOS and Android apps, improve an existing Flutter app, or complete an unfinished flutter app? I help startups and businesses turn their ideas and requirements into reliable Flutter app with intuitive interfaces, seamless backend integrations, and a clear, practical plan for launch. WHAT I WILL HELP YOU BUILD • Custom Flutter apps: iOS app & Android app built from one shared codebase. • Flutter app MVP development: A focused first version of flutter app that lets you launch, collect feedback, and improve. • Figma design to Flutter app: Responsive interfaces developed from your designs. • Backend and API integration: Connect your flutter app with databases, payment platforms, CRMs, and external services. • AI Flutter app: Add conversational assistants, voice interactions, personalized recommendations, and content analysis. •Flutter App Real-time features: Messaging, video calls, notifications, maps, and location tracking. • Flutter App Bluetooth integrations: Connect supported BLE devices with your Flutter app Flutter App Rescue: Review an incomplete Flutter App codebase and create a practical plan to finish development. •Flutter App Store releases: Prepare builds, support submission, and address App Store or Google Play review feedback. FLUTTER APP BUG FIXING AND PERFORMANCE OPTIMIZATION If your Flutter app has crashes, slow screens, broken integrations, or unfinished features, I start by identifying the cause and prioritizing the fixes. My Flutter App maintenance services include UI bug fixing, API troubleshooting, dependency upgrades, crash investigation, loading improvements, and release support. AI-POWERED FLUTTER APP DEVELOPMENT I combine Flutter app development with AI integrations for products that need conversational, voice, or content-processing features. • OpenAI API integration for Flutter app • AI chatbot integration with Flutter App • Flutter App AI voice assistants and speech interactions • Personalized recommendations and summaries • Image and document analysis • Knowledge-based assistants connected to your content I consider response speed, usage costs, and fallback behavior when integrating AI into a Flutter App. RELEVANT INDUSTRY EXPERIENCE Health & Wellness: Developed apps for check-ins, scheduling, conversational support, and personalized content. Sales Training: Built AI voice-training apps with backend integrations for sales teams. Connected Devices & Safety: Implemented Bluetooth temperature monitoring and emergency SOS features. Fintech: Delivered a fintech app for a South African client, focusing on reliable workflows and backend integration. Multilingual Apps: Developed Arabic/English and Spanish, English, French, German, and Portuguese Flutter apps. How I Will Work on Your Flutter App Requirements & Planning: Understand your business goals, users, designs, and existing app. Architecture & Backend: Plan a scalable app structure, authentication, data flow, and API integrations. UI Development: Build responsive iOS and Android screens using Flutter and Dart. Feature Integration: Connect APIs, databases, payments, notifications, and third-party services. Testing & Launch: Test functionality, fix bugs, and support App Store and Google Play releases. Ongoing Support: Provide updates, performance improvements, bug fixes, and new features. TECHNOLOGIES Flutter, Dart, FlutterFlow, Firebase, Cloud Firestore, Supabase, REST APIs, GraphQL, Node.js, Python, PostgreSQL, Stripe, RevenueCat, OpenAI API, Google Maps, push notifications, and Bluetooth Low Energy. Whether you need a Flutter app developer for a new product or ongoing improvements, send me your requirements, Figma designs, or existing app details. I’ll review them and share a practical technical breakdown and next steps. Keywords to find me: Flutter App Development. Flutter Mobile App Development. Flutter iOS App Development. Flutter Android App Development. Flutter Cross-Platform App Development. Flutter MVP Development.Custom Flutter App Development. Flutter App UI Development. Figma to Flutter App Development. Flutter Firebase Integration. Flutter App Supabase Integration. Flutter App API Integration. Flutter App Backend Integration. Flutter App AI App Development. Flutter App Payment Integration. Flutter In-App Purchases. Flutter Push Notifications. Flutter Bluetooth App Development. Flutter App Bug Fixing. Flutter App Maintenance and Optimization
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $27k
Billed in all: $86,904$87k
$2.5k in the last 6 months
Across 32 contracts
Earnings, last 30 days
Skill rankings: Top 2% in Dart
Ranked by MRR among everyone on Upwork with the skill.
- #8Website to Mobile App Conversion159 freelancers · 🇵🇰 #3Top 5%🇵🇰#3 of 66
- #20FlutterFlow834 freelancers · 🇵🇰 #10Top 2%🇵🇰#10 of 227
- #21Mobile App Redesign693 freelancers · 🇵🇰 #7Top 3%🇵🇰#7 of 190
- #23Bug Fix1,157 freelancers · 🇵🇰 #3Top 2%🇵🇰#3 of 346
- #28In-App Purchases1,101 freelancers · 🇵🇰 #4Top 3%🇵🇰#4 of 302
- #41Dart2,324 freelancers · 🇵🇰 #9Top 2%🇵🇰#9 of 580
- #50Hybrid App Development1,431 freelancers · 🇵🇰 #16Top 3%🇵🇰#16 of 409
- #62Payment Gateway Integration2,302 freelancers · 🇵🇰 #14Top 3%🇵🇰#14 of 608