Oleksandr F.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

As a Senior iOS Developer with 15+ years of experience, I will transform the intricate requirements into high-performance, 5-stars Swift and SwiftUI applications that will help you achieve your business goals. I am a specialist in creating long term sustainable, scalable and robust codebase. 🛠️ Skill Set and Frameworks: • Languages: Swift (Expert), Objective-C • AI: Vision, CoreML • UI Frameworks: SwiftUI, UIKit, Combine, CoreAnimation • Architectures: MVVM, VIPER, Clean Architecture, MVC • Data Management: CoreData, SwiftData, SQLite, Realm, JSON/XML • Backend & Cloud: Firebase, AWS, CloudKit, Supabase, REST APIs • Payments & Subscriptions: StoreKit (In-App Purchases), Stripe SDK • Hardware & Location: CoreLocation, MapKit, CoreBluetooth (BLE), HealthKit • Performance: Offline Storage, Multi-Threading, Performance Tuning • Advanced Graphics: Metal, Metal Shading Language 🚀 Let's Build Something Great Together I am a proactive communicator who believes in a transparent cooperation. I don't just write a code, I collaborate with you in solving your problems and ensuring I produce an exceptional product. Ready to get started? Click the "Invite" button to send me a message. I'd be happy to discuss your project goals. 🤝