• Skilled in Java and Kotlin, facilitated the development of unique mobile applications, from concept to launch. Ensured high-quality, easy-to-manage code by using effective API design, highlighting a solid understanding of object-oriented software development.• Utilized industry-standard Android SDK design patterns and modern layout frameworks such as Jetpack Compose and using Constraint Layout in XML to create optimized, responsive UI designs for all screen sizes, including tablets.• Orchestrated the seamless construction of applications from scratch using architectural frameworks including MVVM and Clean Architecture, leading to a quantifiable 65% increase in client sales.• Expertly integrated Firebase suite (Database, Firestore, Cloud Functions, Storage, In-app Messaging) into various e-commerce apps. Optimized offline data handling and caching, reducing content loading time by 50% and improving app stability by reducing crashes from 9% to 0.5%.

• Led the design and development of a location-based social communication app. Leveraged Firebase Authentication, Firestore, and Cloud Messaging to implement core features, boosting user engagement by 25%.• Worked in tandem with a distributed team to create comprehensive technical documentation detailing frontend and backend app modules. Conducted rigorous testing on both emulators and real devices, slashing the crash rate to a mere 0.5%.• Upheld CI/CD principles, troubleshooted distributed services, and ensured timely completion of projects, thereby elevating the app's performance and reliability.

• Designed and built various features with responsive UI for the Online conferencing app and collaborated with the designer, 2 senior developers, and the project manager. Implemented and integrated web services and external APIs for VOIP calling• Collaborated with the testers to debug the bugs and fix them• The application with that new feature resulted in 50% increase in performance