- Developed AR-based measuring tape and tattoo placement features, allowing users to visualize tattoos with precise scaling and positioning.- Implemented AI-driven tattoo and QR-code generation.- Implemented alongside robust media handling (saving, sorting, modifying images), improving app functionality and retention.- Enabled barcode and QR scanning to retrieve product details instantly, enhancing user engagement and app utility.

Stack: Swift, MVC, MVVM+C, Alamofire, Moya, RxSwift, XCTest.- Built dynamic and user-friendly interfaces for various tennis-related features, including game screens, user profiles, and login modules, significantly improving user engagement.- Did module-specific testing (XCTest) to reduce bugs by 30%.- Optimized backend communication with Moya and RxSwift, decreasing load times by 25%, resulting in faster and smoother user interactions.

- Developed an application for an online clothing shop.- Created a weather widget that displayed live updates, contributing to a 15% increase in daily user engagement.- Added interactive maps for favorite location marking, enhancing the app's functionality and improving user satisfaction.