Design, build & maintain advanced Android applications. Collaborate with backend, design & product teams. Integrate REST APIs, JSON & third-party libraries. Write clean, testable & scalable code in Java/Kotlin. Perform unit testing, debug issues & handle edge cases. Troubleshoot & fix bugs to improve app performance. Optimise UI/UX following Material Design & responsive layout principles. Manage the full mobile app development life cycle. Use Git or other version control tools for collaboration. Publish & maintain apps on Google Play Store. Stay updated with latest Android trends, tools & device compatibility best practices