Hi, iOS: Android: - Java Core, Android SDK - Kotlin - Android architecture and guidelines - Intents, Fragments, widgets, content-providers - Telephony, sensors, bluetooth, - Graphic and animation - Open-source frameworks: okHTTP, Retrolambda, Retrofit Skills: - UI and UX - Reactive programming (RxJava / RxSwift) - XML, JSON, HTTP, sockets - SQLite, Web, Concurrency - Networking with low signal connection - Voice and image recognition and augment reality - Fundamental programming patterns - Creative approach - Competence to write clear code and correctly create and use module tests - Ability and desire to gain new skills and lern new technologies - Practice of fast sorting out another's code if needed - Design and development of client-servet applications If needed, I can provide resources for server-side and web development, and for any kind of design.