Having more than 6 years of experience in native iOS development using swift and objective c . Having experience in location tracking , education, social , chat , video calling app . 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 Familiarity with cloud message APIs and push notifications Knack for bench marking and optimization Proficient understanding of code versioning tool like git Familiarity with continuous integration