I am Full-time freelancer have 4+ years of experience with Iphone app development. I'm Proficient with Objective-C, iOS SDK and Swift, also have experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text.

 I'm Proficient with skills are :-

Experience with offline storage, threading, and performance tuning
Experience with memory management and caching mechanisms specific to mobile devices
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
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, SVN.
Familiarity with continuous integration
Experience in Payment gateway integration
UI & UX experience
Locations and Map API's