Alena D.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.

🚀 Experienced iOS Developer | Swift | Objective-C | RXSwift Passionate and result-driven iOS Developer with a proven track record of delivering high-quality mobile applications. Proficient in leveraging the latest iOS SDK, diverse programming languages, and a range of development tools to create seamless and intuitive user experiences. Excels in Agile and Scrum environments, utilizing project management tools like Jira and Trello for efficient workflow development. Adept at version control systems, various architectures, and API integrations. Key Skills: 📱 Environment: Proficient in iOS SDK, diverse iOS versions, and devices. Expertise in Xcode for efficient app development. In-depth knowledge of App Store guidelines and submission processes. 🔧 Languages: Mastery in Swift, Objective-C, and RXSwift for robust application development. 🔄 Workflow Development: Agile and Scrum methodologies for efficient project management. Utilization of Jira and Trello for task tracking and collaboration. Estimation skills for accurate project planning. 🧭 Version Control Systems (VCS): Proficient in Git, Bitbucket, Sourcetree. Conducts thorough code reviews for quality assurance. 🏛️ Architecture: Expertise in MVC, MVVM, Redux, Props + Coordinator, and Service Holder architectures. 🎨 Layout Design: Proficient in Storyboards, UIKit, SnapKit, and Animation for visually appealing interfaces. 💾 Offline Storage: Utilizes Core Data, User Defaults, and File System for efficient offline storage. 🔗 API Integration: Experience with REST API, JSON, and Alamofire for seamless integration. Proficient in authentication methods (phone, Google, Facebook, etc.). 🌐 Other Technologies: iOS NotificationCenter & Push Notifications for real-time updates. SpeechRecognition & TextSpeech for voice-enabled features. MapKit for location-based services. Integration with Google Services (Firebase, AdMob, Analytics, etc.). In-App Purchase and Payment POS integration (Clearent, Stripe, Square). Core Bluetooth & Printer Integration for diverse device connectivity. Expert in debugging on simulators, real devices, and using proxy tools. Integration of 3rd party SDKs and APIs for extended functionality. Let's collaborate to bring your iOS project to life! 📬 Contact me to discuss your project requirements and explore innovative solutions for your app development needs.