Борис

Uvarov Boris
Senior Android Developer
Email: [open contact info](look above in the "contact info" section) | Phone: [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)
Location: Kharkiv, Ukraine | Languages: English, Ukrainian, Russian

Summary
Senior Software Engineer with over 13 years of total software development experience, including 10+ years specializing in native
Android applications. Experienced in architecting multi-module modern Kotlin/Java applications, improving app stability and
building rich, responsive UIs. Creator of personal published applications reaching over 100K+ downloads on Google Play.

Technical Skills
● Languages & Core: Kotlin, Java, Android SDK, Kotlin Coroutines, JUnit, MockK, RxJava,
● UI & Architecture: Jetpack Compose, View System, MVI, MVVM, MVP, Clean Architecture, SOLID
● Testing & Quality: JUnit, MockK, Firebase Crashlytics, Google Play Console
● Libs & Tools: Dagger 2, Hilt, Room DB, DataStore, Retrofit, Bitbucket CI/CD, Charles Proxy, Firebase Cloud Messaging,
In-App Purchases (Billing SDK), Ad Networks, AppsFlyer
● AI: AI-agent assisted workflows with agent tools

ZiMAD | Senior Android Developer | Nov 2017 – Aug 2026
● Architected and maintained a scalable multi-module (70+ modules) Android application with 100M+ downloads, utilizing
Clean Architecture, Dagger 2, and Kotlin.
● Implemented core features serving an active user base of 100K+ DAU.
● Developed rich, interactive user interfaces incorporating complex custom animations and custom graphics.
● Led code refactoring initiatives migrating 80% legacy RxJava reactive flows to Kotlin Coroutines and StateFlow.
● Maintained a 99.5%+ crash-free session rate across release cycles. Resolved critical crashes and ANR bottlenecks by
analyzing telemetry data from Firebase Crashlytics and Google Play Console.
● Integrated and managed monetization subsystems, including Google Play In-App Billing, subscriptions, and multi-network
ad mediation (10+ ad networks).
● Implemented unit tests for core business logic.
● Key Technologies: Kotlin, Java, Jetpack Compose, Dagger, Coroutines, RxJava, JUnit, MockK,

Artjoker | Android Developer | Feb 2017 – Aug 2017
● Engineered a native Android application from concept to Google Play release for a high-volume national cashback
platform with 1M+ download in Google Play.
● Designed a decoupled, testable architecture leveraging MVP, Clean Architecture, and Dagger 2.
● Built complex UI flows for user authentication, transaction history, affiliate/referral programs (50+ screens).
● Key Technologies: Java, Android SDK, MVP, Clean Architecture, Dagger, Retrofit, REST APIs.

CS Ltd | Android Developer | Sep 2015 – Feb 2017
● Developed and white-labeled B2B mobile banking applications customized for 10+ major Ukrainian financial institutions.
● Adapted banking transaction flows and account management screens to IBAN specifications.
● Built Android application from scratch for legal entities to sign corporate documents, leveraging Bouncy Castle for digital
signatures and cryptographic operations.
● Key Technologies: Java, Android SDK, SOAP, Bouncy Castle, Hybrid Frameworks (GWT, PhoneGap).

Gameloft | Java Developer | Mar 2012 – Sep 2015
● Executed full-cycle client development from prototype to worldwide release for flagship title World at Arms.
● Maintained and delivered feature updates for major live titles including Texas Hold'em Poker and Little Big City 2.
● Engineered core gameplay logic, network syncing, and performance optimizations using C++/Java and Gameloft's
proprietary engine.

Independent Projects : https://play.google.com/store/apps/developer?id=Borys+Uvarov
● On The Way: Designed, built, and launched a native Android puzzle game that achieved 100K+ organic downloads.
Managed full app lifecycle including architecture, performance tuning, UI/UX design, and monetization.

Education:
Master's Degree in Computer Science The V. N. Karazin Kharkiv National University, 2012