Solid understanding of software design and patterns like - MVC, Delegation, Singleton, Factory, Adapter
Well versed with building UI using XML and custom UI components.
Comfortable and should have used on Unit test framework
Experience in consuming web services using JSON/ XML & in Memory caching.
Ability to engineer the app performance on various aspects of app memory management, multithreading, networking & Security
Proficient understanding of code versioning tools, such as Git
Must have implemented end to end application including code signing, provisioning and App Store release process.
Expert level experience with programming language in implementing Objective-C/cocoa concepts like Delegates, Protocols, Categories, extensions, Core-data, Local Notifications, Push Notifications, etc.
Good understanding on implementing Auto-layouts, Storyboarding and size classes.
Experience on writing unit test cases using xctest/ocunit.
Familiarity with agile development/waterfall processes and methodologies
Expertise in app memory management, multithreading, networking & Security