Knowledge of C++, Java, MVP, MVVM, Kotlin. 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 the libraries available for common tasks Ability to understand business requirements and translate them into technical requirements Familiarity with cloud message APIs and push notifications Proficient understanding of code versioning tools, such as Git Familiarity with continuous integration Translate designs and wireframes into high-quality code Design, build, and maintain high performance, reusable, and reliable Java code Ensure the best possible performance, quality, and responsiveness of the application Identify and correct bottlenecks and fix bugs Help maintain code quality, organisation, and automatisation