Excellent knowledge with Objective-CS trong understanding of Multi-threading & GCD (Grand Central Dispatch) concepts Designing and building advanced applications for the iOS platform
Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text
Experience with third-party libraries and APIs Unit-test code for robustness, including edge cases, usability, and general reliability
Excellent knowledge with Multithreading
Experience with Integrating Application with other services using REST web service calls