SIPUN PATRA

Built and maintained native Android applications for government projects using Kotlin and Java, integrating GIS, treasury systems, and RESTful APIs. Implemented MVVM architecture with LiveData and ViewModel, and structured the codebase for scalability. Developed offline-first features using Room Database (SQLite) to support low-connectivity data capture. Created UIs using Jetpack Compose and XML layouts with Material Design, and integrated secure REST APIs using Retrofit with robust JSON parsing and error handling. Added Firebase Cloud Messaging (FCM) for push notifications. Implemented image handling with EXIF metadata and geo-tagging for location-stamped photo verification of assets. Optimized performance and stability, achieving 95%+ bug-free outcomes, and managed version control and code reviews using Git/GitHub in an Agile workflow.

Contributed to the MagTapp Browser, PDF & Learning App, working across features for browsing, document reading, and language translation. Implemented multi-language localization and accessibility-related support, along with document annotation features. Integrated third-party SDKs and RESTful APIs using Retrofit, including JSON parsing and network error handling. Migrated legacy Java modules to Kotlin, reducing technical debt and improving code quality by ~30%. Used Jetpack components such as LiveData and ViewModel for reactive UI updates and collaborated with product/design teams to deliver smooth and accessible user experiences in an Agile environment.

Developed Android application feature modules using Kotlin and Java with Room Database, Retrofit APIs, and MVVM architecture. Assisted with bug fixing, unit testing, and ongoing codebase maintenance, while tracking issues in Android Studio using Git. Supported senior developers with end-to-end delivery tasks including Google Play Store submission readiness for client applications.