Proficient with Objective-C and Swift (depending on project requirements) and Cocoa Touch.
Experience with iOS frameworks such as Core Data, Core Animation, etc.
Experience with offline storage, threading, and performance tuningFamiliarity with RESTful APIs to connect iOS applications to back-end services.
Knowledge of other web technologies and UI/UX standardsUnderstanding of Apple’s design principles and interface guidelines.
Knowledge of low-level C-based libraries is preferred.