Description

Need a reliable Android developer to upgrade your app, fix bugs, or deliver new features fast?

I specialize in building and improving native Android applications — whether you need help polishing an existing product or creating a new one from scratch.

With 5 years of hands-on experience, I’ve worked across the full lifecycle of Android development, including modern stacks (Kotlin, Jetpack Compose, Coroutines) and legacy codebases (Java, View-based UI). I can jump into your codebase quickly, troubleshoot issues, and ship production-ready solutions without hand-holding.

What I can do for you:

Fix crashes, ANRs, and edge-case bugs

Build scalable features aligned with your app’s architecture
Refactor legacy code into clean, maintainable modules
Integrate APIs, improve performance, and optimize UI/UX
Develop MVPs or standalone apps from the ground up

I focus on clean architecture, testability, and long-term maintainability — so your app doesn’t just work, it’s built to grow.

Let’s talk about how I can help you move your Android project forward with clarity, speed, and care.

Languages

English
Native or bilingual
Ukrainian
Native or bilingual
Russian
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Posti Group Oyj,
Senior Android Developer
March 2025 - Today (1 year and 3 months)
Tallinn, Estonia
‣ Lead development of four internal Android apps, including a custom enterprise launcher used by ~20,000 employees to install, update, and monitor company tools.
‣ Architected and maintained modular codebases using Dagger and MVVM, improving app stability and maintainability.
‣ Built and maintained multiple custom internal libraries, shared across projects to streamline development.
‣ Reduced APK size of the main launcher app by over 55% (from 22MB to 9MB) through deep build optimization and asset management.
‣ Reviewed and supported an internal Cordova Android plugin, ensuring compatibility and stability across apps.
‣ Collaborated with business teams to support private Google Play deployments, including writing technical instructions and maintaining internal Wiki documentation.
‣ Mentored junior developers, conducted regular code reviews, and guided technical decisions across the mobile team.
‣ Acted as a technical liaison between Android, backend, product, and design teams to ensure delivery alignment and quality.
Android SDK Android Studio Dagger Java Kotlin
Posti Group Oyj,
Android Developer
April 2023 - March 2025 (1 year and 11 months)
Tallinn, Estonia
‣ Maintained and improved several internal Android apps used across departments.
‣ Modernized legacy codebases using Jetpack libraries, MVVM, and Kotlin Coroutines.
‣ Reduced crash rates and improved app performance through architectural refactoring.
‣ Worked with product, design, and backend teams to deliver business-aligned features.
NIX Solutions,
Android Developer
December 2020 - March 2023 (2 years and 3 months)
Kharkiv, Kharkiv Oblast, Ukraine
Stack: Kotlin, Java, MVP, MVVM, Hilt, Dagger, Coroutines, RxJava, Room

‣ Developed Android apps across multiple teams and industries in fast-paced project environments.
‣ Applied architectural patterns (MVP, MVVM) and dependency injection (Dagger, Hilt) in production apps.
‣ Built features using asynchronous flows (RxJava, Coroutines) and managed local data with Room.
‣ Gained hands-on experience with clean architecture, scalable UI design, and modular codebases.