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Work experience

Senior iOS Developer

from 06.2024 to 05.2025 (1 year)
Alphalink.xyz, Дистанційно (IT)

Built the iOS app for Alphalink — a Web3 startup focused on on-chain data and portfolio management tools for crypto users.

- Built a responsive and interactive user interface using SwiftUI in combination with UIKit for advanced UI components.
- Applied MVVM architecture to ensure clean separation of concerns and maintainable code structure.
- Implemented custom animations and UI transitions using SwiftUI and UIKit to enhance user experience.
- Developed custom animated line chart from scratch with real-time updates, making it ≈3–4× faster than the previous implementation
- Used Realm for efficient local caching and offline data support.
- Improved overall app performance by ≈2×

SwiftUI, MVVM, Combine, Alamofire, WidgetKit, Realm, Firebase, Sentry, Amplitude

Lead iOS Engineer

from 12.2023 to now (2 years 3 months)
Shiva Security Corp, Дистанційно (IT)

Developed the entire iOS application from scratch within tight deadlines, delivering a secure and high-performing VPN solution.

- Led iOS team and released VLESS-based VPN app to the App Store in 2 months
- Integrated Xray core with VLESS, XTLS, REALITY
- Built high-performance SwiftUI interface for seamless UX
- Designed modular architecture with scalable API/Services/UI layers
- Reduced connection time by ≈40% and boosted stability via server load balancing

SwiftUI, MVVM, Combine, Moya, WidgetKit, StoreKit, Firebase, Sentry, NetworkExtension

Lead iOS Engineer

from 01.2022 to 12.2023 (2 years)
Yakaboo.ua, книжкова платформа, Київ (Роздрібна торгівля)

Developed the official iOS app for Yakaboo — the largest online bookstore in Ukraine — entirely from scratch.

- Built audiobook & eBook app with MVP+Coordinator architecture, owning full project lifecycle
- Implemented custom player with background playback, bookmarks, speed control
- Implemented design system with designer, delivering a polished, consistent UI
- Delivered full offline functionality for downloaded audiobooks & eBooks
- Ensured fast, stable (99.9% crash-free), maintainable app

UIKit, MVP+Coordinators, Moya, Realm, WidgetKit, Firebase, CoreAnimation, AVFoundation, XCTest

Senior iOS Developer

from 06.2021 to 01.2022 (8 months)
TEMABIT Software Development, Київ (IT)

Worked on the Fora mobile app — the official application for one of the largest grocery store chains in Ukraine.

- Built app using MVP+Coordinator architecture, splitting features into independent modules for maintainability
- Developed key features including coffee coupon module and in-store pickup functionality
- Collaborated with designer to implement a scalable design system and sync Figma with code, reducing UI bugs by ≈80%
- Contributed to major redesign, building a complex and responsive home screen UI
- Ensured high code quality, modular architecture, and smooth user experience throughout

UIKit, MVP+Coordinators, Alamofire, Realm, CocoaPods, Core Animation, Firebase, XCTest

IOS-програміст

from 03.2020 to 06.2021 (1 year 4 months)
GrowApp Solutions, Інші країни (IT)

Worked on multiple commercial projects across telecom, banking, and digital assets:

ToTheMoon Mobile — app for a mobile network operator.
- Developed the app as part of a team, focusing on custom UI and performance.
- Took part in designing and implementing the app’s architecture for long-term maintainability.

Moneybase (Banking App) — contributed to internal development.
- Built private encryption and networking libraries used in the app.

Atomyze — a platform for purchasing digital assets.
- Led the iOS development team
- Conducted regular code reviews and implemented complex custom UI components.
- Took ownership of delivery and quality of the iOS application.

UIKit, VIPER, MVP, CocoaPods, Moya, URLSession, Lottie, RxSwift, SnapKit, Auto-Layout

IOS-програміст

from 08.2019 to 03.2020 (8 months)
Iron Water Studio, Інші країни (IT)

Worked on Salam Pay — a fintech application for money transfers and airline ticket purchases.
- Maintained and enhanced the app using the YARCH architecture, focusing on bug fixing and feature improvements.
- Modified and extended the flight booking module, improving UX and performance.
- Initiated development of an in-app assistant (chatbot) to simplify the money transfer process and guide users through key flows.
- Contributed to code stability and maintainability while working on a live production application with a large user base.

Neftmagistral — a mobile app for a regional gas station network.
- Provided mentorship for junior developers and performed regular code reviews.
- Helped maintain code quality and guided architectural decisions on the project.

UIKit, URLSession, VIPER, Firebase, Auto Layout, CocoaPods, MVC, Scrum

IOS-програміст

from 08.2018 to 08.2019 (1 year)
Rockbeam Software, Інші країни (IT)

Knowledge and skills

• UIKit
• SwiftUI
• Realm
• Core Data
• SPM
• CocoaPods
• GitHub
• Auto Layout
• MVVM
• GCD
• Core Animation
• Core Location
• Viper
• Clean Architecture
• Firebase
• Lottie
• Combine
• Operations
• SOLID Principles
• Knowledge of OOP principles
• Xcode
• Alamofire
• Figma
• GitFlow
• Git
• Moya
• FacebookSDK
• MVP

Language proficiencies

• Ukrainian — fluent
• English — above average