MVVM, Xcode, Uikit, Json, Ios Sdk, Rest Apis, Core Data, Swift, Mvc, URLSession, Coordinator, Deep Links, Swift Package Manager, Codable, Clean Architecture, UserDefaults, Swift Concurrency, SwiftData, XCTest, Universal Links, Keychain, SwiftUI

Core Data, Objective-c, Performance Tuning, Web Technologies, Core Animation, Restful Apis, Swift, Cocoa Touch, offline storage, UI UX standards, Apple’s design principles, iOS frameworks, low-level C-based libraries, interface guidelines, Threading