Contact information

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Work experience

Senior Mobile Developer (Android, iOS)

from 08.2024 to now (2 years 4 months)

- Lead Android developer of a location-based social app (Android, iOS). Built the Android app from scratch in Jetpack Compose and released it in under a year.
- Real-time chat on WebSockets (OkHttp) with auto-reconnect, subscriptions and in-app purchases with Google Play Billing. 100K+ installs, 4.4 rating.
- Camera features with CameraX and ML Kit face detection, user identity verification.
- Architecture: Clean Architecture, MVVM/MVI, Hilt, Room; set up the release process.
- Took over the existing iOS app in Swift/SwiftUI: fixing bugs and building new features, with Claude Code as my daily tool.
- Released a speaking-practice app on iOS. Writing its Android version with Compose, MVI, Navigation 3 and unit-tested ViewModels.

Android Developer

from 07.2021 to 08.2024 (3 years 2 months)
Engenious, Київ (IT)

- Built several apps from scratch to Google Play release: home fitness, boxing training, music messaging.
- Warehouse and delivery tracking module for a large SRM system.
- Took over a music messaging app where only about 25% worked. Fixed it and made it faster.
- Contributed to Sift, an open-source framework that runs Android (Espresso) and iOS (XCUITest) autotests at scale.
- Mentored junior developers up to mid-level, did code reviews.
- Subscriptions with Google Play Billing and Stripe, A/B tests and analytics (Firebase, Mixpanel), ExoPlayer.

Android Developer

from 05.2019 to 05.2021 (2 years)
Altrecipe, Київ (IT)

- Grew from Junior to Middle in two years.
- B2C app that helps local businesses attract customers with offers and discounts: maps, geolocation, client-server API.
- Small banking app with currency exchange charts.
- Kotlin, RxJava, Coroutines, Koin.

Android Developer

from 01.2019 to 05.2019 (5 months)
Freelance, Київ (IT)

- Built several apps from scratch: a location-based app for discovering nearby places, a weather forecast app and a BMI calculator.
- Redesigned and stabilized two legacy apps on Google Play: fixed crashes, refactored code and resolved critical errors.

Менеджер по логістикі

from 07.2011 to 12.2018 (7 years 6 months)
ТОВ "Транс-логістик", ТОВ "МП-Буд транс", ТОВ "Пас-Транс", Київ (Transportation and logistics)

Education

Національний авіаційний університет

Факультет менеджменту та логістики, Київ
Higher, from 2006 to 2011 (5 years)

Additional education and certificates

Android Basics Courses from Google // https://www.udacity.com/

2018

Android Intermediate courses from Pluralsight // https://www.pluralsight.com/

2019

Knowledge and skills

• Kotlin
• Java
• Android SDK
• Jetpack Compose
• SwiftUI
• Coroutines
• MVVM
• Clean Architecture
• Hilt
• Retrofit
• Firebase
• Git
• Room Library
• Swift programming language

Language proficiencies

• English — average
• Ukrainian — fluent

Additional information

Android developer since 2019. I take apps from an empty repo to store release. For the last year I also work on iOS (Swift/SwiftUI).

Stack: Kotlin, Java, Swift/SwiftUI, Jetpack Compose, Coroutines/Flow, MVVM/MVI, Clean Architecture, Hilt, Room, Retrofit/OkHttp, WebSockets, Firebase, Google Play Billing, CameraX, ML Kit, unit tests, Detekt, CI/CD.

AI-assisted development with Claude Code in daily work.