Charles Z.

Freelance iOS developer specializing in Swift and SwiftUI, I help startups, companies, and entrepreneurs create high-performing, elegant, and future-proof iPhone and iPad applications.

My approach combines technical quality, attention to detail, and an understanding of product challenges. Each application is developed with a clear objective: to offer an excellent user experience while reliably and scalably meeting business needs.

I am involved in creating MVPs, developing complete iOS applications, redesigning existing products, or adding new features.

📱 iPhone and iPad application development

🚀 MVPs and products for startups

🎨 Modern interfaces with SwiftUI

🔗 API and third-party service integration

⚡ Performance optimization and maintenance

☁️ Firebase and cloud service integration

📦 App Store publication and support

Swift • SwiftUI • UIKit • Firebase • StoreKit • RevenueCat • Core Data • CloudKit • REST APIs • Git

Beyond development, I pay close attention to user retention, performance, user experience, and App Store best practices. The goal is to build applications that provide real value to their users and can evolve smoothly over time.

Let's discuss your project.