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 applications on the App Store.
I provide end-to-end services: 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 the first shippable version
• Developing product features on existing iOS applications
• Taking over and stabilizing Swift / UIKit codebases
• MVVM, VIPER, TCA, and Clean Architecture
• Bluetooth / CoreBluetooth, REST / GraphQL APIs, Firebase / Supabase integration
• Automated testing, CI/CD, TestFlight, and App Store publication
Recent experiences:
• Sports application with real-time Bluetooth communication, results tracking, and competitions
• Medical / physiotherapy application published and maintained on the App Store
• Pupill, an independent SwiftUI iOS app for tracking pet health
Available remotely for short or long-term assignments: SwiftUI MVPs, mobile team augmentation, project takeovers, pre-release stabilization, or existing application improvements.
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 4 months)Creation of Pupill, an independent SwiftUI iOS app for tracking 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, shippable native iOS application.
- Angry NerdsiOS Developer - Sport app & BluetoothSPORTSSeptember 2022 - Today (3 years and 11 months)Wrocław, PolandDevelopment of an iOS sports application with features for workout planning, results tracking, and competitions.Working on a modular codebase with Clean Architecture, Clean Swift. Development of product features in Swift, SwiftUI, and UIKit, real-time Bluetooth/CoreBluetooth integration with external devices, performance and stability optimization with GCD and Instruments.Development of shared business logic modules in Swift, reused on the Android side to align product rules across platforms and reduce duplication.Contribution to improving code maintainability, 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, improvement of modularity with VIPER architecture, writing unit tests, bug fixing, and preparation of App Store versions.Working in a health context, with particular attention to reliability, code testability, and release quality.
Recommendations
AC
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Postgraduate Diploma - Artificial Intelligence and Business Process AutomationGdańsk University of Technology2023Postgraduate Studies
- Computer ScienceWrocław University of Science and Technology2020Master's Degree