members use Google's suggestion architecture, such as MVVM and repository pattern. Use design patterns to improve project maintainability, and support team members to use it. Project Skills: Faster 3: Kotlin,Android architecture,MVVM,Koin,Project Modularization,Coroutines,JUnit4,Mockito,Robolectric ,Ktor,Websocket Sports Lottery: Kotlin,Android architecture,MVVM-C,Socket,Project Modularization,RxJava2,JUnit4,Mockito,Robolectric,Leakcanary,Protocol Buffers SWAG ,Senior Software Engineer Complete the project feature like policy upload, message center and live stream custom price etc.. Add unit test to old and new features to strengthen the project safety. Refactor a portion