Anya B.

iOS Developer | Mobile App Developer | Swift | SwiftUI | Xcode

$1M+ earned on Upwork. 15+ years and 700+ iOS projects delivered. I build, optimize, and scale native Swift & Objective-C apps — from polished consumer products to fintech, HealthKit, ARKit, BLE, real-time features, and App Store-ready platforms. 👋 Hello! Ready to collaborate with a proven iOS developer? Let’s talk. Send me a message and let’s bring your app to life.📨 Are you looking for a Senior iOS Developer who delivers high-performance, scalable, and user-focused native iOS applications? As a seasoned iOS developer, I specialize in transforming product ideas into robust mobile solutions using Swift and Objective-C - leveraging the full native iOS stack to deliver seamless user experiences. As a dedicated iOS developer with 15+ years of experience, I’ve completed 700+ iOS projects and logged thousands of hours purely in native app development. My apps have achieved a 70% reduction in crash rates, 50% boost in performance, and up to 60% higher user retention. I handle the full iOS development lifecycle-from ideation and architecture to App Store release and ongoing optimization-with proven results. 🏆 Why partner with me as your iOS developer? ✔️ Deep iOS ecosystem knowledge: Swift, Objective-C, UIKit, SwiftUI, Combine ✔️ Reliable delivery: Completed complex iOS projects for startups, enterprises, and niche industries ✔️ Full-cycle mobile iOS development: From UI/UX implementation to backend integrations and business logic ✔️ Performance-oriented: iOS performance tuning, memory optimization, and profiling for apps that run 35% faster and use 45% less memory ✔️ Modern development workflow: CI/CD pipelines (Fastlane, GitHub Actions), CocoaPods/SPM, architectural best practices (MVVM, VIPER) ✔️ Feature integration expertise: Leveraging Apple SDKs and third-party iOS libraries to accelerate delivery and improve stability 🚀 My core iOS developer services: 📌 Native iOS app development 🔹 Custom iOS development using Swift, Objective-C, and Objective-C++ 🔹 Expertise in key iOS frameworks: UIKit, SwiftUI, Core Data, Combine, MapKit, Core Location, AVFoundation 🔹 Responsive UI design for all iOS devices (iPhone, iPad) 🔹 Alignment with Apple’s Human Interface Guidelines (HIG) 🔹 Helped clients increase App Store ratings by over 1.5 stars through UX-focused iOS updates 📌 Advanced native iOS features 🔹 ARKit and SceneKit for augmented reality 🔹 Core ML and Vision for intelligent iOS features 🔹 BLE, HealthKit, PassKit, Core Motion for device integration 🔹 Real-time communication: Twilio, Sendbird, APNS 🔹 Metal and Core Graphics for high-performance iOS graphics 🔹 GameKit, SpriteKit, ReplayKit for gaming-related iOS apps 📌 Data management and iOS backend integration 🔹 Core Data, Realm, SQLite, CloudKit, Firebase Firestore for persistent iOS storage 🔹 Native networking: URLSession, Alamofire 🔹 REST, GraphQL, and AWS integrations 🔹 Offline support and sync strategies - optimized for poor connectivity environments 📌 Cross-platform awareness 🔹 Flutter and Dart experience for clients needing broader support (iOS-first focus) 📌 Testing, optimization, and iOS deployment 🔹 XCTest, Instruments, UI testing, network debugging 🔹 Automated deployments using Fastlane, Xcode Cloud 🔹 Efficient iOS project structuring using Tuist and modularized architecture 🔹 TestFlight and App Store release management handled end-to-end 📌 Third-party SDKs and analytics in iOS apps 🔹 Firebase, Flurry, Google Analytics integration 🔹 Ad SDKs (AdMob, Google Ads, MKStoreKit) for monetization 🔹 Social integrations and custom SDK usage to enhance your iOS app’s feature set 🔹 Increased monetization efficiency up to 80% with smart ad integration and IAP workflows 💡 My focus as an iOS developer 🔹 Building clean, scalable, and future-proof iOS architectures 🔹 Optimizing rendering and interaction performance for real-world use 🔹 Minimizing crash rates and post-launch bug reports 🔹 Implementing pixel-perfect UIs from Figma, Sketch, or Adobe XD 🔹 Writing testable, maintainable iOS code that reduces technical debt 🌟 Industries I’ve delivered iOS apps for 🔹 Social networking 🔹 Mobile banking and fintech 🔹 Health and fitness (Health Kit) 🔹 Retail and e-commerce 🔹 GPS and navigation (Map Kit, Core Location) 🔹 Smart devices and IoT 🔹 Entertainment platforms 🔹 iOS gaming (SpriteKit, Unity, GameKit) 🚀 Let’s build your iOS app right - from the first line of code to the final push to App Store.