Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.Must have good knowledge of Android architecture and understanding of frameworks like MVVM, MVP etc.Familiarity with RESTful APIs to connect Android applications to back-end servicesProven knowledge of Android UI design principles, patterns, and best practicesSolid understanding of the full mobile development life cycleExperience with offline storage, threading, and performance tuningAbility to design applications around natural user interfaces, such as touchExperienced with common android libraries like Retrofit, OkHttp, Picasso, RxJava, ButterKnife, Dagger, Gson, Arch-components etc.Familiarity with cloud message APIs and push notificationsA knack for benchmarking and optimizationUnderstanding of Google s Android design principles and interface guidelinesProficient understanding of code versioning tools, such as Git.Familiarity with continuous integrationExperience on Hybrid mobile application framework (Cordova/Ionic) will be a plus.