Led development of a cross-platform fitness and habit-tracking application built with Flutter, Dart, and MVVM/MVI patterns, serving 400K+ monthly active users and achieving a 4.7 Play Store rating.

Architected a scalable modular codebase using Provider, Bloc, and Clean Architecture principles to improve maintainability and long-term extensibility.

Optimized CI/CD pipelines with GitHub Actions and Fastlane, and introduced automated integration and unit testing to raise code coverage to 85%. Mentored junior engineers and contributed low-level platform-specific audio modules using Platform Channels and DSP techniques.

Developed and maintained three enterprise Android applications in the data analytics domain, supporting more than 500K users.

Led Java-to-Kotlin migration efforts and designed responsive UI/UX with Material Design, ConstraintLayout, and Data Binding, improving user retention by 28%.

Built offline-first architecture with Room, WorkManager, and sync adapters, and optimized the network layer with Retrofit, OkHttp, and caching strategies to reduce API latency by 50%.

Reduced app startup time by 42% through lazy loading, ProGuard/R8 optimization, and memory leak detection with LeakCanary.

Integrated Firebase services including Analytics, Crashlytics, Remote Config, and A/B Testing, along with third-party SDKs such as Stripe, Google Maps, and Retrofit.

Collaborated with backend and iOS teams using RESTful APIs and GraphQL, and led a Kotlin migration across 200K+ lines of code, reducing runtime crashes by 60%.

Implemented a high-performance SDK in Java with socket optimization to support third-party developer integration.

Architected a modular framework using XML and improved scalability while reducing development time for new UI components by 30%.

Maintained high code quality and performance standards while contributing to a product adoption increase of 40% in the first quarter after launch.