Senior iOS Developer

GC/CITIZEN can apply Required Skills: - 5+ years of iOS experience with multiple iOS published in the App Store (Messaging experience is a HUGE plus!) - Proficient with Objective-C or Swift, and Cocoa Touch - Experience with iOS frameworks such as Core Data, Core Animation, etc. - Experience with offline storage, threading, and performance tuning - Familiarity with RESTful APIs to connect iOS applications to back-end services - Knowledge of other web technologies and UI/UX standards - Understanding of Apple's design principles and interface guidelines - Knowledge of low-level C-based libraries is preferred - Experience with performance and memory tuning with tools such as Instruments - Familiarity with cloud message APIs and push notifications - Knack for benchmarking and optimization - Proficient understanding of code versioning tools (git) - Familiarity with continuous integration

Skill : iOS, Objective-C, Xcode, Cocoa, iOS SDK - iOS, Objective-C, Xcode, Cocoa, iOS SDK