Area of my expertise includes:
Java - Android (UI, working with database, Cocoacontrols, Java Applets, multi threading, client-server interaction via TCP/IP), ASM. Not only this, also experienced to work with Facebook SDK, Twitter4J SDK, SBJSON, Flurry, AFNetworking, Retrofit, RoboSpice+Spring, Parse; and many more.
Native IOS, Objective-C; Swift; OOP, MVC, main design patterns, DB engineering; Apple's Xcode IDE Frameworks and APIs like Foundation, UIKit, and CocoaTouch; iOS 10 and newer OS versions. A Git code repository technology.
Looking forward to have a positive feedback by your end.