Freelancer profile translated to English.
Back to original languageAbout Oleksandr
iOS Developer Swift/SwiftUI with 6 years of experience, I help startups and SMEs build iOS MVPs, develop product features, and publish native apps on the App Store.
I cover the entire process: technical scoping, architecture, SwiftUI/UIKit development, API integration, Bluetooth/CoreBluetooth, testing, performance optimization, TestFlight, and App Store Connect.
What I do best:
• Creating native iOS MVPs in SwiftUI, from prototype to first releaseable version
• Developing product features for existing iOS applications
• Taking over and stabilizing Swift / UIKit codebases
• MVVM, VIPER, TCA, and Clean Architecture
• Integrating Bluetooth / CoreBluetooth, REST / GraphQL APIs, Firebase / Supabase
• Automated testing, CI/CD, TestFlight, and App Store publishing
Recent experiences:
• Sports app with real-time Bluetooth communication, results tracking, and competitions
• Medical / physiotherapy app published and maintained on the App Store
• Pupill, an independent SwiftUI iOS app for monitoring pet health
Available remotely for short or long-term missions: SwiftUI MVPs, mobile team augmentation, project takeover, pre-release stabilization, or existing app improvement.
English
Fluent
Polish
Native or bilingual
Ukrainian
Native or bilingual
French
Fluent
German
Basic
Russian
Native or bilingual
Remote only
Primarily works remotely
Experience
- Produit indépendantCreator & iOS DeveloperApril 2025 - Today (1 year and 2 months)Creation of Pupill, an independent SwiftUI iOS app for monitoring pet health.End-to-end MVP development: product scoping, iOS architecture, screen design, SwiftUI development, business logic, data management, testing, product iterations, and TestFlight / App Store preparation.This project illustrates my ability to transform a product idea into a structured, publishable native iOS application.
- Angry NerdsiOS Developer - Sport app & BluetoothSPORTSSeptember 2022 - Today (3 years and 9 months)Wrocław, PolandDevelopment of an iOS sports application with features for training planning, results tracking, and competitions.Working on a modular codebase with Clean Architecture, Clean Swift. Developing product features in Swift, SwiftUI, and UIKit, real-time Bluetooth/CoreBluetooth integration with external devices, performance and stability optimization with GCD and Instruments.Developing shared business logic modules in Swift, reused on the Android side to align product rules across platforms and reduce duplication.Contributing to code maintainability improvements, bug fixing, and release preparation.
- PrograilsiOS Developer - Medical appMEDICALAugust 2021 - September 2022 (1 year and 1 month)Poznań, PolandEvolution and stabilization of Physitrack, a medical iOS application for physiotherapy and patient exercise tracking.Development and maintenance of UIKit features, improved modularity with VIPER architecture, writing unit tests, bug fixing, and preparing App Store versions.Working in a healthcare context, with particular attention to reliability, code testability, and release quality.
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Education
- Postgraduate Diploma - Artificial Intelligence and Business Process AutomationGdańsk University of Technology2023Postgraduate Studies
- Computer ScienceWrocław University of Science and Technology2020Master's Degree