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Skills

  • Android Development
  • App & Mobile Development
  • App Development
  • Java
  • Mobile App Marketing
  • Android App Marketing
  • Android App Testing
  • Android Bug Fixing
  • Android Bugs
  • Client Development
  • Dashboard Design
  • Firebase
  • Firebase Analytics
  • Firebase Cloud Messaging
  • Firebase Database

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Services

  • Senior Android Application Developer

    $25/hr Starting at $100 Ongoing

    Dedicated Resource

    About me I'll do mobile app development for android and ios. I'll develop a complete application with confirmation utilising Firebase or Rest APIs. The application can be made dependent on the structure...

    Android App MarketingAndroid App TestingAndroid Bug FixingAndroid BugsAndroid Development

  • Native Android Development with Kotlin

    $25/hr Starting at $25 Ongoing

    Dedicated Resource

    Senior Android Developer with 8+ years of experience designing and delivering scalable, high-performance Android applications for both product-based and client-driven environments. I specialize in building...

    Android DevelopmentApp & Mobile DevelopmentApp DevelopmentClient DevelopmentDashboard Design

About

Mobile Application Developer | Senior Android Developer

Senior Mobile Application Developer with 8+ years of experience designing and delivering scalable, high-performance Android applications for both product-based and client-driven environments. I specialize in building clean, maintainable, and user-centric mobile solutions using Kotlin and Java.

My expertise lies in modern Android development with strong architectural foundations, including Clean Architecture, MVVM, and MVI. I focus on writing production-ready code that is secure, optimized, and aligned with best engineering practices.

I have hands-on experience with:

• Jetpack Compose & modern Android UI development
• Coroutines & reactive programming (RxJava)
• REST API integration (Retrofit, OkHttp, Ktor)
• Local & remote data management (Room, SQLite, Firebase)
• Dependency Injection (Hilt, Dagger2, Koin)
• Performance optimization, memory management & profiling
• Secure app development & reverse engineering prevention
• Unit testing & code quality tools (JUnit, Mockito, MockK, SonarQube)
• Cloud integrations (AWS Cognito, S3)
• Google Maps & Mapbox integrations
• Offline-first architecture implementation

What I Can Do for You
- Native Android App Development using Kotlin, Jetpack Compose & XML
- API + Backend Integration (Retrofit, REST, JSON)
- Firebase Setup: Authentication, Firestore, Realtime DB, Cloud Messaging
- Local Storage: Room, DataStore, SQLite
- Architecture: MVVM, Clean Architecture, Repository Pattern, Dependency Injection (Hilt)
- Maps & Location: Google Maps SDK, Mapbox
- Media & Realtime Features: Video calls, streaming, Agora/Twilio, push notifications
- UI/UX: Material Design 3, Compose UI, Lottie animations, MotionLayout
- Maintenance: Bug fixing, performance optimization, refactoring, updates

Tech Stack:
Languages: Kotlin (Primary), Java
UI: Jetpack Compose, XML
Architecture: MVVM, Clean Architecture, Repository Pattern
Async: Coroutines, Flow, RxJava
Databases: Room Database, DataStore, SQLite, Firebase Firestore, Firebase Realtime Database
Tools: Android Studio, Git, Postman, Figma, Adobe XD
Libraries: Retrofit, Hilt, Coil, Glide, Lottie, Google Maps SDK

Why Work With Me?
- Clean, scalable, future-ready code
- Strong UI/UX implementation with Jetpack Compose
- Excellent communication + quick updates
- Reliable for long-term maintenance
- Flexible for small tasks or complete app builds

I am passionate about continuous learning and staying up to date with evolving Android technologies. I take pride in delivering reliable, scalable solutions that enhance user experience and drive business value.

Let’s connect and build impactful mobile experiences.

—
Muzammal Farid
Senior Android Developer