Required Technical and Professional ExpertiseStrong knowledge of iOS SDK and how to deal with different screen sizesStrong knowledge of iOS UI design principles, patterns, and best practicesGood experience in iOS design and development.Deep familiarity with Objective-C, Cocoa Touch, and Swift development.2 years of Experience working with iOS frameworks such as UIKit, Auto Layout, Speech, Networking, Map Kit, Social.Solid understanding of the full mobile development life cycle.Extensive hands-on experience in creating custom UI controls, designing protocols, implementing interfaces, and performance optimization.Must be familiar with RESTful APIs to connect Mobile (iOS) applications to back-end services.Experience with third-party libraries and APIsWorked on Social networking API's like Facebook SDK, Twitter API, LinkedIn SDKFamiliarity with the use of additional sensors, such as gyroscopes and accelerometersExperience in developing mobile apps with Push NotificationsExperience in submitting apps to Apple & Amazon StoresKnowledge of code versioning tools such as SVN, Git.iOS development using Objective C/SwiftA knack for benchmarking and optimizationFamiliarity with continuous integration