Hussain S.

Need expert Mobile App Development for a new app, MVP, or AI prototype or want to improve your existing iOS or Android app? I’m Hussain, a Top Rated Senior Mobile App Developer with 8+ years of experience, specializing in Flutter and React Native. I provide end-to-end Android App Development, iOS Development, and AI Mobile App Development, taking your idea from MVP to App Store and Google Play launch. I build scalable mobile applications using Flutter, Dart, React Native, Expo, JavaScript, TypeScript, Swift, and Kotlin. My services include backend and API integration, Firebase, OpenAI API features, testing, and deployment so you have one development partner from idea to launch. With $100K+ earned and 140+ client feedback entries on Upwork, I deliver clean code, great user experiences, and scalable solutions aligned with your goals. MOBILE APP DEVELOPMENT SERVICES I PROVIDE • Flutter App Development: Cross-platform iOS and Android apps • React Native App Development: Custom apps with React Native and Expo • Native iOS & Android Development: Swift, SwiftUI, and Kotlin apps • AI Mobile App Development: AI chatbots and OpenAI API integration • Custom Mobile App Development: Tailored apps for your business • MVP App Development: Fast, startup-ready launches • API & Backend Integration: REST APIs, Node.js, Firebase, Supabase • Firebase Development: Auth, Firestore, push notifications, real-time features • Third-Party Integrations: Payments, Google Maps, social login • Bug Fixing & Performance Optimization: Crash fixes and faster apps • App Maintenance & Upgrades: Support, updates, new features • App Store & Google Play Deployment: Submission and launch support • Mobile App Consultation: Tech selection and architecture planning TYPES OF MOBILE APPS I’VE WORKED ON • Marketplace App Development: Buyer-seller platforms and listings • E-commerce App Development: Shopping, checkout, and payments • Dating App Development: Matching, profiles, and real-time chat • Social Media App Development: Feeds, messaging, and notifications • Booking App Development: Appointments and service bookings • Women’s Safety App Development: SOS alerts and live location • Real Estate App Development: Property listings and rentals • School Attendance App Development: Check-in and pickup tracking • Quiz & Educational App Development: Interactive quizzes and scoring • Nearby Places App Development: Maps and location search • Live Streaming App Development: Real-time video features • AI App Development: AI chatbots and OpenAI integration • Business & SaaS App Development: Custom workflows and user management PROJECT EXPERIENCE • Full-stack dating app (React Native, NestJS, MongoDB, Firebase) with real-time chat and an admin panel, delivered within the agreed timeline and budget • Women’s safety app (Flutter, Firebase) with one-tap SOS, live location sharing, and real-time alerts • School check-in and check-out app (Flutter) for student attendance and parent pickup tracking • Facility maintenance app for banks and credit unions (React Native) TECHNOLOGY STACK • Mobile: Flutter, Dart, React Native, Expo, TypeScript, Swift, SwiftUI, Kotlin • Backend & APIs: Node.js, REST APIs, Firebase, Supabase • AI & Integrations: OpenAI API, AI chatbots, Google Maps, payment integrations • Mobile Features: Push notifications, user authentication, in-app purchases, real-time chat WHAT YOU CAN EXPECT • Clean, maintainable, and scalable code • Clear communication and regular progress updates • Reliable delivery aligned with agreed requirements • Practical solutions focused on your business goals • Support from development through launch and beyond LET’S DISCUSS YOUR APP Send me a message with a few details: • Your app idea or the problem you want to solve • The key features you need • Your preferred technology, if any • Your target timeline and budget I’ll review your requirements and suggest a practical development approach, recommended technology, and next steps. Top Skills- Mobile App Development | Flutter | Flutter App Development | Flutter Developer | Flutter Mobile App Development | React Native | React Native Development | iOS Development | Android App Development | Native App Development | Cross-Platform App Development | AI Mobile App Development | AI App Development | OpenAI API | ChatGPT Integration | API Integration | MVP Development | Firebase | Supabase | Node.js | App Store Deployment | Google Play Deployment | Swift | SwiftUI | Kotlin | Dart | In-App Purchases | Mobile App Design