Денис Veteran

Denys Hrushetskyi - Senior Android Developer

Contact
Chernivtsi/ Kyiv, Ukraine | Remote only / Part-time
Phone number [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section) | Telegram: @dn_rd

Summary
Senior Android Developer with 10+ years of experience in mobile development, including complex
system-level features like cryptography, face recognition, BLE integration, and secure data transmission

Tech Stack
Languages & Tools: Kotlin, Java, C++, Android Studio, Gradle, Maven, Git
Architectures & Patterns: MVVM, MVP, SOLID, Hilt, Dagger, Android architecture,
Compose;
Mobile SDKs: Android SDK, Android Cryptography, Google MLKit,
Camera2/CameraX, Android Bluetooth and BLE and others;
Multithreading: Kotlin coroutines, RXJava, Java Threads;
Networking & Data: Retrofit, Websockets, WebRTC, REST, Room, Realm, SQLite, Glide,
Picasso;
Cloud & Analytics: Firebase (Analytics, Realtime DB, A/B, FCM), Amplitude, Apphud,
Google Play, Admob, Billing;
CI & PM Tools: Jira, Asana, Notion, Figma, Sketch

Experience
Escape Tech - Lead Android Developer
Sep 2018 - Feb 2022
escape-team.tech
- Built and maintained apps for parental control, secure messengers, and fintech
- Implemented face recognition, secure file steganography, BLE integrations
- Took ownership of architecture decisions and mentored newcomers

KADO Apps – Android Developer
Sep 2021 - Mar 2022
KADO Apps: приложения для Android в Google Play
- Built and maintained lightweight horoscope apps
- Actively communicated with clients, advised designers and QA team
- Mentored junior developers and ensured adherence to Android Guidelines

Independent Android Dev (redchinovnik)
2012 - 2017
- Released popular apps on Google Play: VK client and EX.ua client (top in Ukraine)
- Focused on experimental apps and Unity-based projects for fun

Education
Chernivtsi National University
Master's in Theoretical Physics - with honors (2005-2010)
Built mobile Java MIDP apps during studies
 Denys Hrushetskyi - Senior Android Developer

Languages
English – B1-B2
German – A2-B1

Related Skills & Hobbies
Microcontroller programming
Custom device and sensor design
3D printing
Software-defined radio (SDR)