Available to hire
I am a Senior Android Developer with over 8 years of experience delivering secure, high-performance apps for international companies across finance, gaming, healthcare, mobility, and other industries. Expert in Kotlin, Java, Android SDK, Jetpack Compose, Coroutines, and modern architectures like MVVM and MVI. I am skilled in security-first development including Jetpack Crypto, JNI, and biometric authentication, with a strong focus on refactoring legacy code, performance optimization, and integrating real-time features.
I am committed to clean code, test-driven development (TDD), and building scalable, user-friendly applications. I have successfully refactored and modernized various key apps, developed payment SDKs, implemented CI/CD pipelines, and enhanced app functionalities in domains ranging from banking to gaming and hospitality.
Language
English
Advanced
Russian
Advanced
Armenian
Fluent
Work Experience
Senior Android Developer at Solit LLC
January 1, 2022 - PresentImplemented Chess Puzzles and added support for multiple parallel games, optimizing UI and performance of the chess game. Refactored a large portion of legacy code to significantly improve maintainability and overall app stability. Developed a custom Android SDK for Aghanim's in-app payment system integrating Card Payments, Google Pay, and PayPal. Delivered a secure, modular payment SDK enabling seamless integration with third-party Android applications.
Senior Android Engineer at Crypmoji LLC
January 1, 2022 - August 18, 2025Designed a secure Android app and a custom encrypted keyboard using MVVM, Hilt, JNI, and Jetpack Crypto. Integrated biometric authentication, secure image and file sharing, and AWS-based file backup. Implemented a full CI/CD pipeline with GitHub Actions and maintained test coverage with unit and integration tests.
Senior Android Engineer at Crypmoji LLC
January 1, 2022 - July 14, 2025Designed a secure Android app and custom encrypted keyboard using MVVM, Hilt, JNI, and Jetpack Crypto. Integrated biometric authentication, secure image and file sharing, and AWS-based file backup. Implemented full CI/CD pipelines with GitHub Actions and maintained test coverage with unit and integration tests.
Senior Android Developer at Solit LLC
January 1, 2022 - PresentImplemented Chess Puzzles, added support for multiple parallel games, and optimized the game screen UI and performance. Refactored a large portion of legacy code improving maintainability and app stability. Developed a custom Android SDK for Aghanim's in-app payment system integrating Card Payments, Google Pay, and PayPal. Delivered a secure and modular payment SDK enabling seamless integration with third-party Android applications.
Senior Android Engineer at Crypmoji LLC
January 1, 2022 - July 9, 2025Designed a secure Android app and custom encrypted keyboard using MVVM, Hilt, JNI, and Jetpack Crypto. Integrated biometric authentication, secure image and file sharing, and AWS-based file backup. Implemented full CI/CD pipelines with GitHub Actions and maintained test coverage with unit and integration tests.
Senior Android Developer at Solit LLC
January 1, 2022 - PresentImplemented Chess Puzzles, added support for multiple parallel games, and optimized the game screen UI and performance. Refactored a large portion of legacy code significantly improving maintainability and overall app stability. Developed a custom Android SDK for Aghanim's in-app payment system, integrating Card Payments, Google Pay, and PayPal. Delivered a secure and modular payment SDK enabling seamless integration with third-party Android applications.
Senior Android Developer at EPAM Systems
January 1, 2020 - August 18, 2025Delivered secure, high-performance apps for international companies in finance, gaming, healthcare, mobility, and other sectors. Refactored legacy Java code to Kotlin using modern MVVM architecture. Integrated WebSocket-based real-time chat and redesigned UI with custom components and animations. Contributed key features and automated test coverage improvements to the IHG® Hotel Deals & Rewards app. Developed core modules for a mobile banking and wallet app, modernized legacy architecture from MVP to MVVM, enhanced GPS accuracy in a cab booking platform using NMEA protocol and Maps API, and created interactive training modules for a health app using Canvas API and Firebase.
Senior Android Developer at EPAM Systems
January 1, 2020 - July 14, 2025Refactored the testNow crowd-testing app from Java to Kotlin using modern MVVM architecture. Integrated WebSocket-based real-time chat and redesigned UI with custom components and animations. Contributed key features and automated test coverage to the IHG® Hotel Deals & Rewards app.
Senior Android Developer at EPAM Systems
January 1, 2020 - July 9, 2025Refactored the testNow crowd-testing app from Java to Kotlin using modern MVVM architecture. Integrated WebSocket-based real-time chat and redesigned UI with custom components and animations. Contributed to the IHG® Hotel Deals & Rewards app by implementing key features and automating test coverage.
Android Developer at Energize Global Services
January 1, 2019 - August 18, 2025Android Developer at Energize Global Services
January 1, 2019 - July 14, 2025Developed core modules for a mobile banking and wallet app, modernizing legacy architecture from MVP to MVVM. Enhanced GPS accuracy in a cab booking platform using NMEA protocol and Maps API. Created interactive training modules for a health app using Canvas API and Firebase.
Android Developer at Energize Global Services
January 1, 2019 - July 9, 2025Developed core modules for a mobile banking and wallet app and modernized legacy architecture from MVP to MVVM. Enhanced GPS accuracy in a cab booking platform with NMEA protocol and Maps API. Created interactive training modules for a health app using Canvas API and Firebase.
Education
Bachelor of Computer Science at Yerevan State University, Faculty of Informatics and Mathematics
January 1, 2009 - December 31, 2013Master of Management at Eurasia International University, Faculty of Management
January 1, 2014 - December 31, 2016Bachelor of Computer Science at Yerevan State University Faculty of Informatics and Mathematics
January 1, 2000 - December 31, 2004Master of Management at Eurasia International University Faculty of Management
January 1, 2005 - December 31, 2007Bachelor of Computer Science at Yerevan State University Faculty of Informatics and Mathematics
January 11, 2030 - August 18, 2025Master of Management at Eurasia International University Faculty of Management
January 11, 2030 - August 18, 2025Qualifications
Industry Experience
Software & Internet, Financial Services, Gaming, Healthcare, Transportation & Logistics, Travel & Hospitality
Hire a Developer
We have the best developer experts on Twine. Hire a developer in Yerevan today.