• Led mobile engineering for P2P marketplace, building a new cross-platform product area on Kotlin Multiplatform to serve Android and iOS with a shared foundation.

• Helped drive the modernization of the mobile stack from legacy Java toward a modern Kotlin, Compose, and KMP architecture, improving delivery speed, stability, and overall developer experience.

• Streamlined the mobile release process from roughly monthly releases to a weekly cadence, enabling faster iteration and more consistent product delivery.

• Improved Android crash-free rate from 97% to 99.99% through platform stability work, stronger state management patterns, and release-quality improvements.

• Led major platform and process migrations, including new architecture patterns, tooling, and developer workflows that made the team faster, more stable, and easier to scale.

— Initiated and led technical re-architecture of Xamarin app (250K lines of business logic) to native iOS and Android using Swift and Kotlin in 6 months.

— Lead a team of 6 mobile developers with a weekly release schedule. Grew 2 Middle developers to Senior level.

— Improved release process, which led to a decrease in the release schedule from 2 months to 1 week.

— Improved release deployment time using automation from over a day to under an hour.

— Brought the Android application rating from a 2.3 to a 4.7, the highest app rating has ever had.

— Reduced API integration time by 70% by streamlining the process using Swagger.

— Built a white label for cellular network tariff management application with run-time and compile-time customization using Kotlin.

— Rewritten app from Java to Kotlin with the bi-weekly release schedule.

— Decreased app start-time from 20 to 3 seconds on low-end devices, which led to a 30% increase in in-app user engagement.

— Architected the server-driven UI approach for Android platform.

— Designed and implemented automated tests written in BDD, while expanding a proprietary test framework and an internal test execution infrastructure as necessary.

— Solved the app network and battery consumption problem with protocol-buffer and network request grouping and caching.

— Participated in the development and support of social platform for NA football fans with 5M MAU with real-time bets and sports events. (Java, Sockets, SQLite, Design Patterns)

— Developed and maintained mobile/web apps.