Mo A.
Android & Flutter Developer for Retail & Restaurants | POS & Payments
I'm a mobile app developer for startups and growing businesses, I turn app ideas into live, scalable products for iOS and Android, fast, clean, and built to grow. Top Rated with senior roles at Vodafone and e-finance, I've shipped payment-grade apps to over 50 million users across fintech, e-commerce, and government services. What I help clients with: Mobile app performance optimization — smooth 60fps, faster startup, smaller app size Mobile app bug fixing — fast, reliable fixes for crashes and janky UI Mobile app security enhancement — secure auth, encrypted storage, safe payments Cross-platform mobile apps — iOS + Android from a single codebase Flutter UI design and pixel-perfect implementation from your Figma What I can build for you: Native Android apps with Kotlin, Jetpack Compose, and Clean Architecture Cross-platform apps with Flutter and Kotlin Multiplatform (KMP) Flutter app performance tuning for apps that feel instant Java backend for mobile apps and scalable API integration Payment integrations — Stripe, PayPal, Mastercard, and local gateways AI-powered features, real-time apps, Firebase, and Play Store / App Store deployment Industries I've shipped in: Fintech & mobile banking · E-commerce · Healthcare · Education · Delivery & Tracking · SaaS · Startup MVPs You'll get clear communication, realistic timelines, clean code, and a product-focused developer who understands startup speed without sacrificing quality. Send me your app idea, Figma design, or current codebase — I'll reply with a clear delivery plan. Skilled in: Flutter App Development, Android App Development, Kotlin, Kotlin Multiplatform, Jetpack Compose, iOS Development, Java, Firebase, Mobile App Performance, API Integration.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $5.3k
Billed in all: $8,131$8.1k
$528 in the last 6 months
Across 12 contracts
Across 21 contracts
Earnings, last 30 days
Skill rankings: Top 8% in Android Studio
Ranked by MRR among everyone on Upwork with the skill.
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