Ярослав

YAROSLAV HURYN
Android Developer

Address: Kyiv, Ukraine Phone: [открыть контакты](см. выше в блоке «контактная информация») Telegram: @linbabaaa Email: [открыть контакты](см. выше в блоке «контактная информация») /

SKILLS
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●​ Kotlin ●​ Coroutines & Flow ●​ Dagger 2 / Hilt
●​ Jetpack Compose ●​ Media3 / ExoPlayer ●​ Firebase
●​ MVVM / MVI ●​ Google Play Billing ●​ Unit Testing (JUnit, Mockito)

WORK EXPERIENCE
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Android Developer / abz.agency, Kyiv​​ ​ ​ September 2024 – Present

●​ Developed a social media platform using Jetpack Compose.
●​ Built and optimized an infinite scrolling feed with pagination, ensuring smooth performance under heavy data load.
●​ Implemented advanced audio & video playback using Media3 / ExoPlayer, including background playback with
notification controls.
●​ Designed and implemented authentication flows, including token-based authorization and KYC verification.
●​ Implemented dynamic content logic based on user roles and subscription status (authorized, verified, premium
users).
●​ Integrated Google Play Billing for subscription management.
●​ Implemented push notifications and user engagement mechanisms.

Android Developer / Offerwall, Kyiv​ ​ ​ ​ July 2022 – May 2024

●​ Developed an application focused on the sales of other mobile applications.
●​ Researched, selected, and integrated analytics services to track user behavior and optimize app performance.
●​ Implemented push notification services, enhancing user retention and engagement through targeted messaging.
●​ Worked with analysts to improve features and strategies, helping to increase the company’s revenue.

Android Developer / Andersen, Kyiv ​​ ​ ​ ​ November 2021 – July 2022

●​ Developed and implemented new features for the Meeting Room application, enhancing user experience and
optimizing performance.
●​ Provided ongoing support and maintenance for existing features, addressing bugs and implementing necessary
updates to improve functionality.
●​ Collaborated closely with cross-functional teams to align development efforts with business goals and user needs.
●​ Created and maintained unit tests, ensuring the reliability and stability of the application.

EDUCATION
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Bachelor’s Degree in Software Engineering​ ​ ​ ​ ​ Graduated: June 2023
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" ​