● Designed and developed multiple production iOS applications from scratch (5QBE, DarPlus, LMS, DarU). ● Defined application architecture (MVVM + DI). ● Built a modular library and integrated it into a large-scale production app. ● Implemented reusable components to improve scalability and maintenance. ● Participated in architectural decisions and code reviews.

● Online Bank: HalykQR — corporate clients module. ● Developed key features for Halyk Bank mobile applications (HalykQR, Payments). ● Worked on both corporate and retail client modules. ● Integrated payment flows and QR-based functionality. ● Collaborated with backend and QA teams in a banking environment.

● Developed and maintained multiple production iOS applications (Pillikan Delivery, Cashback, Partner). ● Implemented core application features and business logic. ● Integrated REST APIs and third-party services. ● Worked with maps, location services, and push notifications. ● Fixed performance issues and improved app stability.