Данило

Danylo Kharytonov
Android Developer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | github.com/daifuku48

SUMMARY

Experienced Android Developer with 2+ years building production applications across IoT, healthcare, and vending domains. Proficient in modern
Android stack: Kotlin, Jetpack Compose, Clean Architecture, and Kotlin Multiplatform. Delivered measurable results: 87% faster workflows, 50%
app stability improvements, and 41% better response times through architectural optimizations. Strong background in Bluetooth/BLE integration,
performance tuning, and full-cycle development from concept to Play Store deployment.

EDUCATION

National University “Zaporizhzhia Polytechnic” Sep. 2023 - Jun. 2025
Bachelor Degree in Software Engineering with Honor
● Relevant Coursework: Software Engineering Principles, Cloud Computing, Data Structures and Algorithms (C++),
● Artificial Intelligence (Python), Mobile Development(Kotlin),

EXPERIENCE

Natife Sep 2023 – Present
Android Developer
Ukraine
● Developed production-ready applications across diverse domains including IoT, fitness tracking, vending systems, and medical platforms.
● Engineered performance improvements achieving up to 87% faster workflows and 50% app stability enhancements
● Led multiple full-cycle app developments from concept and design to Play Store release under tight deadlines
● Implemented Bluetooth/BLE communication layers for real-time device connectivity and payment validation
● Migrated legacy XML layouts to Jetpack Compose, improving development speed and UI consistency
● Mentored junior developers and established team-wide code quality standards

PROJECTS

Delikia
● Optimized app architecture with MVVM and Jetpack Compose, improving UI responsiveness and maintainability.
● Reduced transaction processing time by 25% through caching and background synchronization techniques.
TimeControl
● Rebuilt the entire network and data layers using modern architecture (Kotlin Coroutines, Flow, and Retrofit), improving app stability and
response time by 41%.
● Migrated legacy XML layouts to Jetpack Compose, enhancing development speed and UI consistency across modules.
● Optimized existing XML-based screens, reducing rendering time and memory usage by 27%.
Frekuent
● Developed a Bluetooth-based communication layer enabling real-time connection between vending machines and the mobile app,
ensuring seamless device pairing and instant payment validation.
● Integrated encrypted payment flow and device telemetry, allowing users to monitor purchase history and machine status in real time.

TECHNICAL SKILLS

Platforms & Languages: Kotlin, Java, Android, Wear OS, Android Automotive, Android TV
Android Development: Jetpack Compose, XML, Android SDK, Material Design
Cross-Platform Development: Kotlin Multiplatform, Decompose
Mobile Architecture: MVVM, MVI, Clean Architecture, SOLID Principles
Asynchronous Programming: Kotlin Coroutines, Flow, RxJava, WorkManager
Networking: REST APIs, Retrofit, Ktor, OkHttp, WebSocket
Database & Storage: Room, SQLite, DataStore, SharedPreferences
Dependency Injection: Dagger 2, Hilt, Koin
Testing: Unit Testing, JUnit, Robolectric, UI Testing
Technologies: Bluetooth/BLE, Google Maps, Firebase, Git, CI/CD
Build Tools: Gradle, KSP
Performance Tools: Profiler, LeakCanary

Additional Information

Languages:
● English – Upper-Intermediate (B2)
● Ukranian – Native