Eways

Built Eways from scratch within a team at HafHashtad — a comprehensive e-payment platform covering bill payments, mobile charging, wallet management, and an integrated store.

• —Implemented MVVM with LiveData, repository pattern, Room for local caching
• —RxJava 2 for reactive networking throughout the app
• —Minimized bugs before releases by about 60% using unit and integration tests (JUnit, Mockito, Robolectric, Espresso)
• —Mixed Java and Kotlin codebase, collaborating closely with backend developers