Святослав

Sviatoslav Duliba
iOS Developer
Lviv, Ukraine · [відкрити контакти](див. вище в блоці «контактна інформація») · [відкрити контакти](див. вище в блоці «контактна інформація») · LinkedIn
SUMMARY iOS Developer with commercial experience building production mobile applications using
Swift, UIKit, and SwiftUI. Experienced in modernizing legacy codebases, developing
scalable features, integrating REST APIs and real-time communication, and optimizing
application performance. Focused on building scalable mobile applications with clean
architecture and maintainable code.
EXPERIENCE Capgemini Dec 2025 – Jun 2026
iOS Developer
Designed and implemented a scalable landscape mode solution for a core application
module, adapting complex backend-driven UI structures while preserving a consistent
user experience.
Modernized legacy UIKit modules by replacing deprecated APIs and improving long-
term maintainability.
Delivered features and resolved production issues in a large legacy MVC codebase.
Expanded unit test coverage for critical modules, increasing release confidence and
reducing regression risk.
Participated in code reviews and collaborated with cross-functional teams to deliver
production features in an Agile environment.
Used async/await in new functionality to simplify asynchronous flows and improve
maintainability.
IntenseLab Apr 2023 – May 2025
iOS Developer
Developed commercial iOS applications across fintech, real estate, and media domains using Swift,
SwiftUI, MVVM, and Combine.
Built real-time trading features with REST APIs and WebSockets, including market data
visualizations and technical indicators.
Implemented an end-to-end KYC verification flow with document capture, image upload,
and backend integration.
Developed location-based features with MapKit and CoreLocation, including geocoding
and route generation.
Built AVFoundation media workflows for asynchronous video compression and export.
Integrated PayPal, Sign in with Apple, Google Sign-In, and Firebase Authentication.
TECHNICAL Programming Languages: Swift
SKILLS UI Frameworks: SwiftUI, UIKit, Auto Layout
Architecture: MVVM, MVVM-C, MVC, SOLID
Networking: URLSession, REST API, WebSockets
Apple Frameworks: Combine, CoreLocation, MapKit, AVFoundation
Storage: CoreData, Realm, Firestore, UserDefaults, AppStorage, Keychain
Testing: XCTest, XCUITest, Unit Testing
Tools: Xcode, Git, SPM, Firebase, GitHub Actions, App Store Connect
EDUCATION Specialist in Pharmacy
Danylo Halytskyi Lviv National Medical University
Lviv, Ukraine
LANGUAGES Ukrainian: Native
English: Intermediate (B1)
Polish: A2