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Work experience

Engineer constructor

from 03.2022 to now (4 years)
AFU, Дистанційно (IT)

Software/hardware components

Провідний Android-розробник

from 09.2017 to 02.2022 (4 years 6 months)
Escape Tech, Дистанційно (IT)

Client-side of a parental control system
•Improved UX and animations; guidelines, profiling, and Crashlytics.
•Drove a backend API revision to simplify client-side networking logic.
•Refactored the codebase, significantly reducing data model complexity.
Corporate secure Messaging Applications
• Implemented encryption for data transmission and storage.
• Implemented the UI and core messaging features.
• Integrated the Android client with a native C++ core (JNI).
Components for hidden encrypted storage and data transmission
• Maintained and evolved legacy components.
• R&D to ensure compatibility with new Android versions.
• Reimplemented an internal secure data storage module.
• Researched data transmission to dedicated endpoints.
Dating application with BLE integration
•Designed a BLE-based data exchange module compatible with iOS.
•Led end-to-end development from scratch.

Facial Gesture Recognition Library for Mobile Banking
•Maintained, evolved and refactored a legacy codebase.
•Collaborated with the banking team to monitor analytics and Crashlytics.
•Migrated camera functionality to CameraX.
•Evaluated and tested models for face and document recognition.
•Designed a simplified public interface and prepared technical documentation.

Library for Detecting Screen Damage
•Led end-to-end development from scratch.
•Implemented a payment module.

Education

Чернівецький Національний університет

Магістр теоретичної фізики, Чернівці
Higher, from 2005 to 2010 (5 years)

з відзнакою

Knowledge and skills

• Kotlin
• Java
• Android Studio
• Gradle
• Maven
• Git
• MVVM
• MVP
• OOP principles
• SOLID
• Dagger
• Hilt
• Koi
• Jetpack Compose
• Android Framework
• Android architecture compone
• Android Cryptography
• JNI
• Google MLKit
• Maps SDK
• Camera2/CameraX
• WebRTC
• Android Bluetooth
• RXJava
• OkHttp
• Re
• GSON
• JSON
• Serialization
• Protobuf
• Kotlin coroutines
• Flow
• Java Threads
• Websockets
• REST
• Room
• Realm
• SQLite
• Glide
• Picasso
• Coil
• Firebase (Analytics
• A/B
• FCM)
• CI
• Unit tests
• Apphud
• Admob
• Billing
• Jira

Language proficiencies

• English — average
• Ukrainian — fluent

Additional information

•Develop Android applications, libraries, and modules end-to-end using modern approaches.
•Design architecture; implement business logic; integrate with external APIs and third-party services; handle data and implement UI.
•Optimize performance and security; refactor and maintain legacy codebases.
•Conduct code reviews and write technical documentation.
•Integrated with other systems (web and embedded) using cryptography and low-level protocols.
•Led Android engineers; collaborated with cross-functional and international teams; conducted R&D.


In addition, I have experience designing embedded hardware based on ESP and AVR microcontrollers, developing firmware for them, and integrating these devices with Android applications through custom communication protocols.