Xcode, Core Data, MVVM, Push Notifications, Restful Apis, Singleton, Jenkins, Bitbucket, Core Animation, Mvc, Swift, Foundation, Cocoa Touch, AWS, cloud messaging, Builder, SwiftUI, Memento, Observer, UI-Kit

scalable architecture , Swift, X Code, Web Technologies, Performance Tuning, Cocoa Touch, Objective-c, Core Data, Core Animation, Restful Apis, Push Notifications, memory tuning, third party sdk integrations, apple design principles, ui/ux standards, unit-test, cloud message apis