Strong knowledge of all the Android latest versions and available APIs. Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes. Familiarity with RESTful APIs to connect Android applications to back-end services. Strong knowledge of Android UI design principles, patterns, and best practices. Experience with offline storage, threading, and performance tuning. Knowledge of the open-source Android ecosystem and available libraries. Ability to understand business requirements and translate them into technical requirements. Proficient understanding of code versioning tools, such as GIT. Critical thinker. Team handling experience.