Proficient with Objective-C or 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 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 and Shark, depending on project needs}} Familiarity with cloud message APIs and push notifications Knack for benchmarking and optimization Proficient understanding of code versioning tools {{such as Git, Mercurial or SVN}} Familiarity with continuous integration {{Make sure to mention any frameworks, libraries, or any other technology relevant to your project}} {{List education level or certification you require}}