Андрей

🌐 More info on my portfolio website: saprland-12307.web.app

Sapryhin Andrii
📧 [open contact info](look above in the "contact info" section)
📱 [open contact info](look above in the "contact info" section)
🐙 GitHub · 💼 LinkedIn · ✈️ Telegram
📍 Odesa, Ukraine · Open to Remote

ABOUT ME
Android Developer with 4+ years of experience. Specialized in mobile applications
development using Kotlin and Java. Experienced with Android SDK, Jetpack Compose,
Room for database. Using Retrofit for network requests, following MVVM and Clean
Architecture. Have Full-Stack background, understanding business processes and
architecture. Self-driven and proactive; open to remote collaboration. Actively
leveraging AI tools to accelerate development and improve code quality.
SKILLS
Languages Kotlin, Java, Android SDK
UI Jetpack Compose, XML layouts, Material Design, View System
Architecture MVVM, Clean Architecture, Repository Pattern, Single Activity
Databases Room, SQLite, Firebase, Firestore
Networking Retrofit, OkHttp, REST API, JSON, XML, Gson, Moshi
DI Hilt, Dagger, Koin
Async Coroutines, Flow, RxJava, LiveData
AI & GitHub Copilot, ChatGPT, Gemini, Prompt Engineering, Workflow
Automation Automation
Languages English — B1-B2 (Intermediate / Upper-Intermediate)
EXPERIENCE
Android Developer May 2022 — Present
Independent / Contract Projects
• Built native Android applications with Kotlin using MVVM + Clean Architecture;
implemented ViewModels, StateFlow, and Hilt DI for maintainable, testable code.

• Developed modern UIs with Jetpack Compose; created reusable composables,
implemented Navigation Compose with deep link support, and applied Material 3
theming.
• Managed async operations with Kotlin Coroutines and Flow; implemented
background work with WorkManager for reliable task scheduling across app
restarts.
• Integrated REST APIs with Retrofit + OkHttp; used Gson/Moshi for serialization and
Room for offline caching and local database persistence.
• Integrated Firebase (Authentication, Firestore, FCM push notifications, Crashlytics)
into production applications.
• Wrote unit tests with JUnit 5 and Mockito; configured GitHub Actions CI for
automated testing and APK/AAB builds; published to Google Play.
• Leveraged AI tools (GitHub Copilot, ChatGPT) to accelerate development and
automate code review workflows.
PROJECTS
Android App (Kotlin + Jetpack Compose)
Mobile application with Jetpack Compose, Hilt, Coroutines and Flow. REST API and Firebase
integration.
Clean Architecture App
Application with Clean Architecture, Repository Pattern, Unit and UI tests.
EDUCATION
IT Step Academy, Odessa — Bachelor's Degree, Information Technology 2019 —
(with distinction) 2023

🌐 Portfolio: saprland-12307.web.app