Proficient with: - All versions of Swift, Objective-C and Cocoa Touch. - Most iOS frameworks such as Core Data, Core Animation, Bluetooth etc. - Core storage, threading, and performance tuning. * REST-ful APIs. - Full Stack knowledge as well as UI/UX standards. - Understanding of Apple's design principles and interface guidelines and CI/CD. - Ability to understand business requirements and translate them into technical requirements. - Performance and memory tuning with tools such as Instruments. - iCloud message APIs and APNS push notifications. - Bench-marking and optimization. - Proficient understanding of code versioning tools such as Git. - Cross platform app development with ReactNative and Flutter.