antonnovoselov

Migrated major app surfaces, including paywalls, from WebView to native components, boosting performance and increasing paid conversions by 5%. Delivered key features including Offline Mode, In-App Purchases, Push Notifications, and custom Sounds & Haptics modules. Migrated iOS networking from REST to GraphQL, eliminating constant back-and-forth with backend engineers for endpoint changes and accelerating feature delivery across the iOS team. Refactored codebase from MVC/MVVM to TCA architecture, increasing modularity and accelerating development velocity. Built a caching system to improve data persistence and reduce load times in low-connectivity scenarios. Streamlined release process via Bitrise CI/CD and GitHub Actions, reducing manual overhead. Drove Git Flow adoption across the iOS team, smoothing hotfix handling and release cadence.

Built and shipped new app features in Swift, SwiftUI, UIKit, and VIPER. Rebuilt the analytics module with batched event sending, significantly reducing network requests and improving app performance. Refactored a legacy Objective-C codebase into Swift. Introduced unit tests to a previously untested codebase, establishing a testing foundation.

Built iOS app to control video conferences hosted on Cisco Acano Meeting servers using Swift, UIKit, and WebSocket networking.