Area of my expertise includes:
I have proven expertise with Swift, Objective C and 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;
I can share few previous works of Android and iOS development as well. Please let me know your convenient time to discuss further.