I will develop, fix, and maintain your mobile app

R
rasel2904
R
rasel2904
T Rasel
develop, fix, and maintain your mobile app
Full Screen
develop, fix, and maintain your mobile app

About this gig

Looking for an experienced Mobile app(Android, Flutter, iOS) developer to build, improve, or fix your mobile app? You're in the right place.


I'm a Principal Software Engineer with 12+ years of hands-on experience in mobile application development. I specialize in building reliable, scalable, and user-friendly mobile apps using modern development practices and design patterns.


I can help you develop a new app, add features, fix bugs, improve performance, or maintain an existing application.


My Android expertise includes:

  • Kotlin & Java
  • Android SDK & Jetpack
  • MVVM & Clean Architecture
  • REST API integration
  • Firebase & FCM / Push Notifications
  • SQLite & Room Database
  • Google Maps & Location Services
  • OAuth / Social Login
  • QR & Barcode Scanning
  • Camera & Image Processing
  • Payment Gateway Integration
  • Background Services & WorkManager
  • UI/UX & Material Design
  • Bug Fixing & Performance Optimization
  • Google Play Store Release & Deployment

Why work with me?

  1. 12+ years of professional experience
  2. Strong Kotlin & Java expertise
  3. Clean and maintainable code
  4. Production app experience
  5. Clear communication and regular updates


Please contact me before placing an order to discuss your requirements

  • App type

    • Native

  • Purpose

    • Chat
    • Delivery
    • Restaurant
    • Shopping
    • Booking
    • Health & Fitness
    • Maps & navigation
    • IoT
    • News
    • E-commerce

  • Expertise

    • Performance
    • Security
    • Data storage
    • Firebase
    • Analytics
    • Release management
    • API integration

  • Programming language

    • Java
    • Kotlin
    • React Native

  • Frameworks

    • Flutter
    • Android
    • React Native

  • Tools

    • Glide
    • Flutterflow
    • Android Studio
    • Firebase

Get to know T Rasel

T Rasel

Senior Mobile App Developer, Android, iOS and Flutter

5.0(234)
  • FromBangladesh
  • Member sinceAug 2016
  • Last delivery3 years

  • Languages

    English, Bengali
I'm a Senior Mobile Application Developer with 12+ years of experience building, maintaining, and improving Android, iOS, and cross-platform mobile applications. - Kotlin, - Java, - Swift, - SwiftUI, - Flutter, - REST APIs, - Firebase, - databases, - authentication, - push notifications, - MVVM, - Clean Architecture I also have experience providing market research, data collection, and virtual assistance services.

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