~ Played a key role in developing a learning app, focusing on real-time communication features such as live video streaming and chat functionality using Agora's Video SDK.~ Engineered user-friendly interfaces and innovative features, resulting in a significant 25% increase in user adoption rates.~ Utilized Kotlin and Jetpack Compose within the MVVM architecture pattern to ensure a scalable and maintainable codebase.~ Achieved a notable 30% decrease in the app's size, leading to improved performance and user experience.~Implemented test-driven development practices using the MockK framework to ensure app reliability.Enhanced unit test coverage and contributed to migrating the codebase from XML to Jetpack Compose.~Spearheaded detailed monitoring and analytics, effectively reducing the ANR rate and enhancing app stability.