Mobile App Development (Native ios and android | Ionic | React Native):- - Xcode/ObjectiveC, Swift, Xamarin, Parse, XMPP - iOS SDK, iOS 10, iOS 9, iOS 8, iOS 7, iOS 6, iOS 5, iOS 4, - iPhone 7, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5, iPhone 5S, iPhone 4, iPad pro, iPad3 & iPad Mini. • Objective-C, Swift Android app development: Android app development skills : Native Android, JSON, REST, IOS, Android Studio, XCode, Cocos2d-x, C++ (11 years), C#, SQL, OpenGL Strong knowledge with Android 3rd party libraries: Retrofit, Glide, ButterKnife, RxJava, GSON, Retrolambda, Dagger, etc.