Andrey M.

✅ TOP-RATED PLUS | Upwork Pro Mobile Developer ✅ ⭐ 100% Client Satisfaction | 20,000+ Hours Worked ⭐ I am a highly experienced Mobile Developer with 10+ years in native iOS development (Swift, Objective-C, SwiftUI) and React Native (JavaScript, TypeScript). I have successfully developed and launched 20+ high-performing applications, delivering clean, maintainable, and scalable code. What I Offer: 🚀 Expert Mobile App Development – iOS (Swift, Objective-C, SwiftUI) & Cross-Platform (React Native) 📱 Full-Cycle Development – From concept and UI/UX design to development, testing, and deployment 🎯 High-Quality Code & Performance Optimization – Efficient, scalable, and maintainable solutions 🔗 Seamless Integrations – APIs, third-party SDKs, payment gateways, authentication systems (SSO, OAuth) 💡 Collaborative & Client-Focused Approach – Clear communication, reliability, and timely delivery Technical Expertise: ✅ iOS Development – UIKit, Core Data, AVFoundation, MapKit, Core Location, and more ✅ Networking & Data Handling – AFNetworking, RestKit, XMPP, JSON, XML Parsing ✅ Storage Solutions – SQLite, Core Data (with multithreading), File System ✅ UI/UX Implementation – Storyboards, Auto Layout, Size Classes, and Programmatic UI ✅ Version Control & Collaboration – GitHub, Bitbucket, and Git best practices ✅ Software QA Experience – 2+ years in mobile & web application testing, including test case writing I take pride in delivering high-quality, user-friendly, and performance-driven applications while maintaining attention to detail. My goal is to help businesses build impactful mobile solutions that drive growth and user engagement. 📩 Let’s connect! I’d love to discuss your project and bring your ideas to life.