In addition to my 7+ years of experience in iOS app development and user experience research, I have acquired extensive skills in Swift, SwiftUI, and Objective-C. These programming languages are essential for building high-quality iOS applications and ensuring seamless functionality. Swift: As the primary programming language for iOS development, Swift enables me to write clean, efficient, and maintainable code. I am proficient in leveraging Swift's features and capabilities to develop robust and scalable iOS applications. With Swift, I can create intuitive user interfaces, implement complex algorithms, and utilize powerful frameworks and libraries to enhance the functionality of the app. SwiftUI: SwiftUI is Apple's modern framework for building user interfaces across Apple platforms. I have hands-on experience with SwiftUI, allowing me to create visually stunning and highly responsive interfaces. SwiftUI's declarative syntax and live preview feature enable me to iterate quickly and efficiently during the development process, resulting in a streamlined user experience. Objective-C: Although Swift has become the preferred language for iOS development, Objective-C still plays a significant role in maintaining and updating existing iOS applications. I am proficient in Objective-C, and I can seamlessly work with legacy codebases, make necessary updates, and ensure compatibility with newer iOS versions. This skill allows me to provide maintenance and support for apps developed using Objective-C. By combining my skills in Swift, SwiftUI, and Objective-C with my expertise in iOS app development and user experience research, I possess a comprehensive toolkit to create outstanding iOS applications that meet the highest usability standards.