I will refactor or migrate your android app to jetpack compose

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Vadym Zorenko

About this gig

Is your legacy Android app slow, buggy, or hard to maintain? Its time to modernize.


I am a professional Android Developer specializing in upgrading legacy codebases to modern standards. Whether you need to get rid of old XML layouts or completely overhaul your application architecture, Ive got you covered.

What I Can Do For You:

  • Jetpack Compose Migration: Seamless transition from XML to modern, declarative UI without breaking existing features.
  • Architecture Refactoring: Rewriting Spaghetti code into scalable MVVM / MVI patterns following Clean Architecture principles.
  • Performance Optimization: Debugging memory leaks, optimizing UI rendering, and improving app startup time.
  • Modern Stack Integration: Implementing Kotlin Coroutines, Flow, Hilt/Koin, and Multi-module structures.

Why Choose Me?

  • Production-Ready Code: I write clean, maintainable, and fully tested Kotlin code.
  • Zero Downtime: Your current users won't notice a thing during the refactoring process.
  • Clear Communication: Regular updates and transparent development process.


Please contact me BEFORE placing an order to discuss your project codebase, technical requirements, and custom timeline.

Get to know Vadym Zorenko

Vadym Zorenko

Senior Android Developer

  • FromUkraine
  • Member sinceMar 2026
  • Languages

    English, Ukrainian, Russian
Building scalable mobile solutions with a focus on Modern Android Development. 🛠️ Core: Kotlin, Java, Android SDK, Jetpack. 🎨 UI/UX: Jetpack Compose, Material 3, XML, ViewBinding, Custom Views. 🏛️ Architecture: Clean Architecture, MVVM, MVI, Multi-module. 🧵 Concurrency & Data: Coroutines+Flow, Room, DataStore (Protobuf). 🌐 Networking & DI: Hilt, Dagger 2, Ktor, Retrofit, OkHttp, REST API, WebSockets. ⚙️ System: Foreground Services, ADB, CameraX, NFC, Biometric API. 🚀 Tools: Firebase (FCM, Analytics, ML Kit, Firestore), Sentry, Google Play Billing, CI/CD (Bitbucket Pipelines).

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