Alexey Rozhok

As part of the SberKids core team: • Developed and maintained core features of the SberKids app with 2.5 millions of active users • Built an in-app advertising feature with Kotlin, Coroutines, clean architecture approaches enabling stakeholders to configure banners, story screens and target them to specific user segments, increasing conversion to stakeholders’ content up to 10% • Developed an internal API for simple integration with the bank’s advertising platform, enabling fast banner rollout across tea

• Led end-to-end development of experimental features in the Sberbank Online app • Implemented gamification features under tight deadlines, using MVVM and UDF patterns, Jetpack Compose, and a multi-module architecture. Successfully rolled them out to 60 million users, driving up to a 7% increase in conversion to internal banking products • Ensured high unit test coverage with Mockk, resulting in 99% crash-free sessions and minimal UI, business logic defects • Led code reviews, ensuring high code quality

Within an internal project for the troubled assets department: • Built core features, using clean architecture, multi-module approaches, complex reactive UI with Kotlin flows, Jetpack Compose with MVVM + UDF patterns • Designed scalable relational database with Room, SQLite, allowing to store a large data set for offline working with sensitive data encryption • Implemented a mechanism based on Android services for synchronizing large data sets with the server, resolving data consistency issues between b

Designed and implemented automated E2E and UI tests for two enterprise iOS apps, developed scripts for data generation on back-end side Technologies: Swift, XCUITest, XCTest, Appium, Java, Junit5