othman e.

I take apps from zero to the store . including one with of my apps that reacher 1M+ downloads. I’ve delivered 49+ Android and iOS apps/games over the last 10 years 👨‍💻 to turn your app idea into reality? Let’s chat 🔧 Core Competencies & Technologies Flutter & Dart: Building fast, responsive, and maintainable cross-platform apps Third-Party SDKs & Services: Google Firebase (Auth, Firestore, Cloud Functions, Messaging), Facebook Login, PayPal, Stripe, AdMob, Parse Server, etc. Maps & Location: Google Maps integration, geolocation, real-time tracking Payment Gateways: Seamless integration with popular processors (PayPal, Stripe, Razorpay, etc.) Backend & APIs: RESTful API integration, Node.js/Express, Firebase Cloud Functions State Management: Provider, Bloc/Cubit, Riverpod, GetX—tailored to your project’s complexity Security & Performance: Secure authentication flows, data encryption, code obfuscation, and performance profiling for smooth user experiences 🚀 What I Offer Full-Cycle App Development • Concept validation, UI/UX prototyping, and architecture design • Frontend implementation (Android & iOS) with customizable themes and responsive layouts • Backend setup: Firebase (Auth, Firestore, Cloud Functions), custom Node.js servers, Stripe/PayPal configuration • App Store & Play Store submission, maintenance, and ongoing support Responsive & Adaptive Design • Pixel-perfect UIs optimized for phones, tablets, and foldables • Dynamic layouts to handle multiple screen sizes, orientations, and OS versions Feature-Rich, Niche Apps • E-commerce & Marketplace: Stores, carts, checkout flows, inventory management, push notifications, ratings & reviews • On-Demand Delivery & Logistics: Real-time driver tracking, order management, in-app chat, route optimization (food, grocery, cylinder delivery) • Social & Communication: In-app calling, messaging, group chats, contact syncing • Content & Education: Quiz apps, e-learning platforms, interactive tutorials • Health & Fitness: Workout tracking, nutrition logging, progress charts, push notifications • Travel & Booking: Travel agency apps, booking engines, itinerary planning, map integrations • Utility & Productivity: Barcode/QR scanner, expense tracker, inventory scanner, API integrations Firebase & Backend Support • Real-time databases (Firestore), authentication (Email/Phone/Social), cloud storage, serverless functions • Push notifications (FCM), analytics, crash reporting, A/B testing • Secure user management, role-based access control, data modeling Website → App Conversions • Transform existing web portals, dashboards, or PWAs into native Flutter apps • Maintain brand consistency with reusable UI components and shared codebases Performance Optimization & Security • Code profiling, lazy loading, widget tree optimization, and memory management • SSL pinning, secure storage (Keychain/Keystore), OAuth 2.0/JWT implementation, data encryption