Zeeshan A.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Senior Android Developer with 6+ years of professional experience building production Android apps with Kotlin and Java. I build, fix, and modernize Android applications using Firebase, REST APIs, Jetpack, and modern architecture. I can help with: • New Android app development from scratch • Development of features in existing apps • Bug fixing, crash fixing, and performance optimization • Kotlin and Java development • REST API integration with Retrofit • Firebase, FCM, Firestore, and Authentication • MVVM and Clean Architecture • Room / SQLite databases • Dependency Injection with Hilt / Dagger • Google Maps and location-based features • Payment gateway integration • Play Store publishing and release support • Maintaining and modernizing existing Android codebases I have completed multiple Upwork projects with a 5.0/5 rating and previously earned Top Rated status. My professional experience also includes working on production Android applications for international clients and long-term development teams. I’m comfortable joining an existing codebase, understanding the architecture, fixing issues, and delivering new features without disrupting the existing application. I focus on clean, maintainable code, reliable delivery, and clear communication throughout the project. Available for both short-term Android tasks and long-term development.