Android, Android Applications, Android SDK, Application Programming Interface (API), Banking Services, Code Reviews, Continuous Deployment/Delivery, Continuous Integration, Debugging Skills, Dependency Injection, Financial Services, Git, GraphQL, Identify Issues, Kotlin, Mobile Applications Development, Model View ViewModel (MVVM), Performance Tuning/Optimization, Product Design, Quality Assurance, Quality Management, REST (Representational State Transfer), Scalable System Development, Software Development, Test Plan/Schedule, Unit Test, User Interface/Experience (UI/UX)