Created interfaces using SwiftUI, AutoLayout, XIB, and SnapKit.Developed core application logic, worked with databases using the GRDB library, and managed multitasking with GCD and async/await.Utilized the RxSwift library for data handling, later refactoring to async/await, and also worked with the Combine library.Developed and maintained the network layer of the application using Alamofire.Worked with various architectures such as MVC, MVVM, and Clean VIP, as well as different design patterns (delegate, multicast, factory, builder, state, etc.).Set up CI/CD processes for automating the build and deployment of the application.Worked with remote config for dynamic application configuration management.Wrote and maintained tests (unit, UI, snapshot) using the Nimble and InstantMock libraries.Used various libraries:Kingfisher: for image downloading and caching.RouteComposer and Stinsen: for managing application navigation.

Developed and maintained several applications, including implementing chats, news feeds, stories, a messenger, augmented reality, and multi-account support. Worked with App Store and TestFlight, handling app submissions and publishing new versions. Utilized architectures such as CleanSwift and MVC. Worked with technologies and libraries: ARKit, Starscream, Alamofire, SnapKit.