Yurii

YURII YATSKO
Android Engineer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFILE
Android Engineer building production apps since 2016 across utilities, delivery, marketplaces, and fintech. Experience
includes a utility app with 10M+ downloads, an internal VPN library, shared Android libraries, and leading Android
development in startups from architecture to Google Play release. Core stack: Kotlin, Jetpack Compose,
Coroutines/Flow, and modular architecture.

TECHNICAL SKILLS
Languages & UI: Kotlin, Java, Jetpack Compose, Material 3, XML/Views, CameraX
Architecture & async: Clean Architecture, MVVM, MVI, multi-module architecture, Coroutines, Flow, StateFlow
Jetpack & DI: ViewModel, Navigation, Room, WorkManager, Hilt, Dagger 2
Networking & platform: Retrofit, OkHttp, REST, WebSockets, Services, VPN/libv2ray, Maps, Location, Android Auto
Integrations: Google Pay; Firebase Auth, Firestore, FCM, Crashlytics, Analytics
Testing & delivery: JUnit, Espresso, JaCoCo, Git, CI/CD, Google Play publishing

PROFESSIONAL EXPERIENCE
Evacorp | Android Engineer
Jul 2022 - Present
- Delivered features across a portfolio of Android utility apps, including VPN clients, file scanners, and phone optimizers,
with a flagship app exceeding 10M downloads.
- Developed and maintained the company's internal VPN library (libv2ray) and integrated it into multiple Android VPN
clients.
- Reduced duplicate implementation by extracting stories, onboarding, and in-app language switching into reusable internal
libraries shared across multiple apps.

MyPly | Android Engineer
Jun 2021 - Jul 2022
- Led Android development for a grocery delivery startup in a two-person team, owning architecture, technical decisions,
and releases.
- Built and shipped two apps: a customer app for shopping and payments, and a staff app for order preparation and
coordination.
- Implemented real-time location tracking and Android Auto integration for grocery delivery to customers' vehicles.

WorkLab | Android Engineer
Jan 2020 - Jun 2021
- Led Android development in a two-person team and built both apps end-to-end for a construction marketplace connecting
contractors with workers.
- Built hiring, scheduling, and profile flows with backend APIs and reusable UI components shared by both apps.

Deliverest | Android Engineer
Aug 2018 - Jan 2020
- Proposed and built a reusable core module that became the foundation of white-label delivery apps for 50+ restaurants
and regional chains.
- Combined shared architecture with client-specific UI, ordering, and real-time courier tracking.

PettersonApps | Android Engineer
Sep 2016 - Jun 2018
- Delivered fintech, education, and IoT apps, including a banking app with 100% test coverage measured using JaCoCo.

EDUCATION
MSc, Computer and Information Systems Security
Uzhhorod National University, Ukraine | 2014 - 2019