Published multiple banking apps on Play Store (Tropical Bank Mobile Banking, KCBU Mobi, KCB Agent). Tech Stack: Kotlin, Java, MVVM, Hilt, Retrofit, Coroutines, Room, OkHttp, Firebase FCM, ML Kit, Jetpack Compose, Jetpack Navigation, WorkManager, ViewModel, LiveData, Glide, Lottie, KSP, Google Maps, Material Components. Integrated selfie verification AI service for eKYC using ML Kit and image preprocessing. Developed in-app video calling using Twilio Video SDK. Implemented real-time notifications via Firebase Cloud Messaging (FCM). Worked with secure API integration, SSL pinning, Play Integrity API, and biometric authentication. Used Crashlytics, Google Analytics, and Remote Config for crash monitoring and dynamic app behavior. Followed Clean Architecture, SOLID principles, and modular project structure. Proficient in debugging with Android Profiler, ADB tools, ProGuard. Developed eKYC Web Portal for Tropical Bank using Spring Boot, HTML, CSS, JavaScript, Bootstrap, Thymeleaf. Integrated Evolute Biometric Device for fingerprint-based customer identity verification.