Solid iOS Mobile Knowledge of Swift, Objective-C, UIKit, SwiftUI, Memory Management, URLSession, Alamofire, Core Data, UserDefault, Keychain, GCD / Multithreading / Concurrency, Deployment, Building SDK, Unit testing(XCTest, Code Coverage), StoreKit, Firebase, AVFoundation, JSON and CI / CD, Deeplinks. Strong understanding of Architecture in Clean architecture, MVVM, MVP, VIPER, and MVC. Strong understanding of Design Patterns in Delegate, Singleton, Observer, Adapter, Factory, Builder, Visitor, Proxy, Coordinator, Strategy, Facade, Visitor, and Dependency Injection Strong understanding of Design principles in SOLID, TDD, GITFLOW.