– Architected production Android apps using Kotlin, Jetpack Compose, and MVVM clean architecture, reducing codebase complexity.

– Integrated RESTful APIs via Retrofit with Coroutine-based async flows, improving network reliability.

– Implemented Hilt dependency injection across modules, enabling better testability and decoupled feature development.

– Collaborated in Agile/Scrum environment: sprint planning, code reviews, and iterative releases.

– Developed research-focused Android apps for internal data collection and analysis workflows.

– Leveraged Room Database and SQLite for offline-first functionality ensuring data integrity.

– Progressively migrated legacy MVC codebases toward MVVM for better maintainability.

– Built and maintained a feature-rich

e-reader/bookstore Android app serving thousands of users.

– Handled full SDLC: requirements gathering, UI prototyping, implementation, testing, and Play Store deployment.

– Integrated third-party SDKs and payment APIs, improving in-app purchase flow and user retention.

– Managed landline phone switch infrastructure and internet data systems.

– Developed internal tooling and scripts to streamline monitoring and fault resolution.