iOS Developer with 5+ years of commercial experience in fintech and food delivery products.

I build high-load mobile applications with real-time features, background processing, and scalable architecture. Worked in international product teams, delivering features from design and architecture to production releases in the App Store. Focused on performance, stability, and measurable product impact.

• Swift, Objective-C
• UIKit, SwiftUI, Combine
• Swift Concurrency (async/await), GCD
• Clean Architecture, MVVM + Coordinator, TCA
• WebSocket (Starscream), REST APIs
• Core Data, AVFoundation, StoreKit / PassKit
• CI/CD (Fastlane, GitLab)
• Unit / UI / Snapshot Testing
• Crashlytics, Sentry
• Instruments, FPS measurement

• Developed real-time features for delivery apps (live tracking, background updates, WebSocket-based services).
• Migrated networking layer from GCD to Swift Concurrency, improving readability and error handling.
• Implemented offline mode with Core Data and optimized dynamic collections using DiffableDataSource and Instruments profiling.
• Integrated payments (Apple Pay, subscriptions) in fintech and delivery products.
• Reduced crash rates and improved app stability through root cause analysis and production monitoring.
• Led code reviews and mentored junior engineers, contributing to architectural decisions and code quality with Swift best practices

• iOS product development (Delivery / FinTech / Real-time apps)
• Collaboration on technically challenging features
• Mentoring and knowledge sharing
• Contributing to open-source iOS projects