For iOS: iOS SDK and XCode, iOS UX guidelines/best practice- Experience with mobile development issues related to performance optimization, caching, security, and native hardware components- Should have strong knowledge in iOS, Cocoa framework- Should have Knowledge into both Swift & Objective-C- Strong OO design and programming skills in Objective.- Strong Development experience with Mobile Platforms for IOS including iphone, iPad/apps.- Should have an experience of development or programming of any OOPS based language.- Complete deployment process on App Stores.- MVC Pattern implementation & UI Kit.- Controller/Navigation, Threading, process, Notifications, Json, XML /HTTP, integration of web-service, Events, multi-touch, gestures, Map Kit, location API, GC Memory Management, Images and Animations + Graphics, Core data and SQL DB.- Experience in REST API, JSON, XML, Web services, AJAX.HTML5, Cocoa framework, Objective C, C++