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I will refactor your legacy android app to kotlin, jetpack compose, and kmp

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Ahmed Fayaz
refactor your legacy android app to kotlin, jetpack compose, and kmp
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refactor your legacy android app to kotlin, jetpack compose, and kmp

About this gig

I'll Modernize Your Android App: Java Kotlin + Jetpack Compose + KMP

Stuck maintaining an old XML/Java Android app? I'll modernize it to Kotlin + Jetpack Compose with clean architecture and optionally extend it with Kotlin Multiplatform so the same business logic runs natively on iOS too. All without breaking what already works.


The Problem

Java + XML layout spaghetti

No separation of concerns

Untestable, tightly coupled code

Hard to onboard new developers

Android only no iOS reach

The Solution

 Kotlin + Jetpack Compose UI modern, declarative, and intuitive

 MVVM + Clean Architecture separation of concerns done right

 Fully testable, modular layers write tests with confidence

 Clear, maintainable codebase onboard new devs in days, not weeks

 Optional: Kotlin Multiplatform (KMP) share business logic with iOS

New: Kotlin Multiplatform (KMP) Upgrade Available


Once your codebase is clean and modular, I can restructure your business logic, data layer, and networking into a shared KMP module so Android and iOS both run the same core code.

 Your iOS team keeps Swift for the UI. Only the logic is shared.

  • App type

    • Native

  • Programming language

    • Java
    • Kotlin
    • Swift

  • Frameworks

    • Jetpack Compose
    • SwiftUI
    • Jetpack Compose Multiplatform

  • Purpose

    • Streaming
    • Music
    • Booking
    • Entertainment
    • Medical
    • Health & fitness
    • Maps & navigation
    • Lifestyle
    • Productivity tools
    • Custom

  • Tools

    • Android Studio
    • Xcode
    • Firebase
    • Visual Studio Code
    • Supabase

  • Expertise

    • Performance
    • Security
    • Firebase
    • Analytics
    • Release management
    • Widgets

Get to know Ahmed Fayaz

Ahmed Fayaz

Native Mobile Developer Android And iOS

5.0(1)
  • FromPakistan
  • Member sinceMar 2026
  • Avg. response time1 hour
  • Last delivery2 days

  • Languages

    Urdu, English
Ahmed Fayaz here, bringing over 3 years of mobile app development expertise with a robust portfolio of completed projects for Android and iOS. I specialize in creating high-performance native applications. I’ve collaborated with startups and organizations to build scalable and secure mobile products, ensuring seamless performance. My proficiency extends to system-level Android customization for specific business needs. Beyond app development, I am well-versed in real-time tech and full-stack mobile development, handling everything from cloud functions to app deployment.

My Portfolio

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