Usman A.

Profile Achievements:-
✓ 100% Job Success Rate
✓ Top Rated Profile
✓ Over 7 years in Android + App Development
✓ Cross Platform & Native App Development

With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications.

Key Expertise:-
✅ Native iOS Development (Swift, Objective-C)
✅ Native Android Development (Kotlin, Java)
✅ UI/UX Optimization (Custom components, animations, accessibility)
✅ Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda)
✅ Real-Time Features (WebSockets, push notifications, Firestore)
✅ Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay)
✅ App Security & Data Protection (OAuth, JWT, biometric authentication)
✅ App Performance Optimization (Lazy loading, caching, memory management)

Big 2 Projects:-

FinTech Banking App: (iOS & Android)

• Developed for a leading financial institution, handling transactions for 500K+ users.
• Integrated real-time payments, multi-layer authentication, AI-driven financial insights.
• Achieved 99.9% uptime and 40% faster transaction processing.

Health & Fitness Application: (Swift & Kotlin)

• Built an AI-powered fitness tracking app with personalized workout recommendations.
• Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer).
• Successfully scaled the app to 250K+ active users, driving engagement with gamification features.

Development Approach & Workflow
📌 Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). 📌 UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning.
📌 API-First Development: Seamless backend connections with REST, GraphQL, Firebase.
📌 Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab.
📌 Post-Launch Support: Monitoring, updates, scalability improvements for future growth.