The VK social media app, 90+ million monthly active users, developed and enhanced features, conducted technical interviews.Key achievements:• Increased development efficiency by implementing a scalable base for community screen implementation, with complex vertical and horizontal scrolling, enabling faster team collaboration and parallel development.• Increased visibility tracking coverage from 56% to 93% with a flexible solution that streamlined tracking for all catalog blocks, using a single toggle.• Optimized analytics tracking, covering content visibility and user interactions, leading to more accurate insights into user behavior.Tech stack: Objective-C, Swift, UIKit, CocoaPods, server driven UI, A/B testing, Firebase Crashlytics.

Developed the Yandex.Market e-commerce app in a team of 100+ iOS developers.Key achievements:• Reduced development time from several months to a few weeks by implementing a client-side solution for pseudo-consolidation instead of backend-side solution.• Improved app performance by optimizing loading times and accelerating the checkout screen with pseudo-consolidation opening by an average of 44%.• Improved accessibility for visually impaired users, ensuring the app met high accessibility standards. Served on the team to improve the accessibility of the entire application.• Supported cross-team collaboration by assisting the tech lead with project management, aligning requirements between platforms, and helping other teams resolve technical challenges.• Enhanced feature development through collaboration in a feature team, focusing on new feature implementation and comprehensive unit/UI testing.Tech stack: Objective-C, Swift, UIKit, CocoaPods, server driven UI, A/B testing, AppMetrica, Firebase Crashlytics, unit/UI/screenshot tests.

Developed the DXtrade trading platform for expanding or newly established FX/CFD brokers willing to have tools for client retention. Key achievements:• Participation in the redesign of the entire application• Developed a custom flexible UI element resembling stacked iOS notifications, allowing stacking, collapsing, and expanding multiple elements.Tech stack: Objective-C, Swift, RxSwift, UIKit, Core Graphics, Core Animation, Figma, Firebase Crashlytics.