Vladyslav

Vladyslav Petryk
Android DEVELOPER (Kotlin / Jetpack Compose)

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@Vlad_Petryk

SUMMARY

Android Developer with 1.5+ years of professional experience building modern mobile
applications. Skilled in creating apps from scratch, integrating APIs, implementing complex UI, and
working with modern Android technologies. Experienced with Kotlin, Jetpack Compose, MVVM,
Clean Architecture, Room, and Firebase. Focused on writing clean, maintainable code and
delivering a smooth user experience.

WORK EXPERIENCE

Android Developer — NDA

❖ Developed a full Android application from scratch using Kotlin and Jetpack
Compose.
❖ Implemented REST API integration, error handling, and local caching.
❖ Worked with Room for offline data storage and synchronization.
❖ Built app architecture based on Clean Architecture and MVVM.
❖ Integrated third-party libraries (Retrofit, Coil, Ktor, Lottie).
❖ Improved app performance and optimized rendering time.

Tech stack: Kotlin, Jetpack Compose, MVVM, Clean Architecture, Room, Retrofit,
Coroutines, Koin/Hilt, Git.

Android Developer — Wild Wild Group

❖ Built Android applications from scratch and maintained existing codebases.
❖ Worked extensively with WebView, including JavaScript interfaces and custom UI
handling.
❖ Integrated push notifications via Firebase Cloud Messaging.
❖ Implemented complex UI animations and transitions using Compose.
❖ Integrated REST APIs and third-party SDKs.
❖ Refactored legacy code and improved maintainability using SOLID principles.

Tech stack: Kotlin, Jetpack Compose, WebView, Firebase FCM, Retrofit, Coroutines, Git.
TECH SKILLS

❖ Languages: Kotlin, C++
❖ UI: Jetpack Compose, XML
❖ Architectures: MVVM, Clean Architecture, MVI, SOLID
❖ Dependency Injection: Hilt, Koin
❖ Databases: Room, Firebase (Firestore / Realtime Database), PostgreSQL
❖ API & Networking: Retrofit, Ktor Client, Ktor Server
❖ Other: Coroutines, Flow, Coil, WebView, Firebase Services, Git
❖ Testing: JUnit, MockK

ABOUT ME

Passionate about building clean and user-friendly Android applications. Quick to adapt,
eager to learn, and motivated to solve complex problems. Focused on writing maintainable
code, improving app performance, and continuously growing as an engineer.