Usama 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.

With over 5 years of hands-on experience in Android development, I have successfully delivered more than 20 top-performing applications that adhere to the latest Material Design guidelines. My expertise lies in leveraging Kotlin, Retrofit, and MVVM architecture to create robust and efficient mobile applications. I have experience with developing apps with 100,000+ users. 👨‍💻 My Technical Skills: - Kotlin, Jetpack Compose, Java - Kotlin Multiplatform , Compose Multiplatform - Proficient architectures MVC, MVP, MVVM, MVI, Clean Architecture - Expertise in Android Jetpack (Room, Navigation, WorkManager, Lifecycle) - UI/UX: Google Material Design, Modern UI/UX - Frameworks: Android Jetpack (Compose, LiveData, Room, Flows), Coroutines, AndroidX - Proficient in Retrofit 2, RxJava, Ktor - Dependency Injection with Dagger Hilt, Koin - API Integration: REST, Google, Facebook, Twitter, Third Party - Database: SQLite, Room, Realm, Datastore - Utilization of Google API's (Maps, Drive, Tasks, Places) - Skillful in REST/JSON/XML - Proficiency in Firebase (Authentication, Firestore, Cloud Messaging, Crashlytics, App Distribution, Remote Config) - Unit Testing, Instrumented Testing - Strong version control with Git, GitHub, Bitbucket, Source tree - Proficient in Gradle / Maven build systems Specialized Areas: KMM Apps (Compose) Food panda clones Rider Applications E-commerce Apps In-App Purchase Ad Integration POS Systems Media Processing (photo, video, audio) FFMPEG Reverse Engineering If you are seeking a skilled and reliable Android developer who is passionate about turning your app vision into a reality, I would be thrilled to connect with you. Let's discuss how we can work together to achieve your goals. Looking forward to the opportunity! 📞If you need any further information, please do not hesitate to contact me.