Роман

ROMAN SHEVCHENKO
iOS Developer
ABOUT ME
Software Developer with 1,5 years of commercial iOS development. Strong foundation in software
architecture, algorithms, and system design gained through formal education and full-stack
development. Currently specializing in iOS with proven track record of shipping production features,
improving app stability, and implementing clean, testable architecture.

SKILLS
CONTACT
Mobile Development: Swift, SwiftUI, UIKit, iOS SDK, App Store Connect, TestFlightArchitecture &
Patterns: MVVM, Clean Architecture, MVC, SOLID, Dependency Injection
https://github.com/Requime31 Networking: REST API, URLSession, async/await, Alamofire, GraphQLData
Persistence: Core Data, SwiftData, Firebase, CloudKit, UserDefaults
[відкрити контакти](див. вище в блоці «контактна інформація») Testing: XCTest, Unit Testing, UI Testing, Test-Driven Development (TDD)
Tools & CI/CD: Xcode, Git, Fastlane, GitHub Actions, Jira, Postman
[відкрити контакти](див. вище в блоці «контактна інформація»)
Concurrency: GCD, async/await, Combine, OperationQueue
Other: Git Flow, Code Review, Agile/Scrum, Performance Optimization

EDUCATION WORK EXPERIENCE
Sumy State University
Junior Specialist in IT
iOS Developer
2019 - 2022
Flexi Work | January 2024 - June 2025
Sumy State University Delivered production features for a commercial iOS app with 10,000+ users, implementing UI in
Bachelor’s Degree in IT (in progress) SwiftUI and UIKit following MVVM architecture
2022 - present Integrated REST APIs using URLSession and async/await with comprehensive error handling and
retry logic, reducing network-related crashes by 25%
LANGUAGE Implemented unit tests (XCTest) achieving 70% code coverage on critical modules
Set up CI/CD pipeline using GitHub Actions and Fastlane, automating builds and TestFlight
English (B2+) distribution
Collaborated in Agile team of 8 developers, participating in daily standups, sprint planning, and code
Ukrainian (native) reviews
Reduced crash rate from 1.2% to 0.4% through systematic bug fixing and memory leak elimination
Russian (native)
Managed full release cycle including TestFlight beta testing and App Store submissions

(Independent Project)
MyPocketFinance
Designed and built a native finance tracking app from scratch using SwiftUI, MVVM, and Combine
Implemented protocol-based services with dependency injection for testability and maintainability
Developed reusable UI component library (themed buttons, cards, empty states, onboarding flow)
Built complex features: interactive charts (Charts framework), transaction search/filter/sort, spending
insights with time-range comparisons
Implemented local notifications for budget alerts and reminders
Persisted data with SwiftData with abstraction layer allowing future backend migration
Wrote unit tests for business logic (view models, services) achieving 85% coverage on core features
Published project on GitHub with comprehensive README, demonstrating clean architecture and CI
setup

PROJECTS:
ProgrammerApp — educational iOS app (SwiftUI, Combine): multi-tab content, search/filters,
WebView integration, gamification; MVVM + Repository + DI; UserDefaults, unit tests, GitHub
Actions CI.
FoodTrackerApp — SwiftUI iOS app for meal logging: calories and macros by meal type, history,
user profile with BMR (Mifflin–St Jeor), local persistence, and product data from a REST API with
offline JSON fallback
Habit Tracker — SwiftUI app for logging daily habits (goals, streaks, history, charts), categories,
search/filters, and local achievements. Swift, SwiftUI, MVVM, Combine, UserDefaults + Codable
persistence, Swift Charts; supports iPhone and iPad.