I had 3 years of experience in iOS developer. In three years i had develop so many challenges applications. I am aware of bluetooth related application for send data and receive data between iOS device and Bluetooth device. Also develop live chat application by using XMPP chat framework same as whats app chat application. One also main thing is, i had develop E-commerece base application and etc. I had also integrated social login like, login with Facebook, twitter, google plus, linked in an etc.