Freelancer profile translated to English.
Back to original languageAbout Martin
Native iOS Development at Apple Level – Since 2014.
I build apps that not only work but are technically top-notch and delight users:performant, maintainable, scalable, and pixel-perfect.
My Quality Standards
- ModernSwift(SwiftUI, Combine, async/await, TCA/MVVM)
- Collaboration inJira/Slack/Notion– I adapt to the workflow
My Special Advantage
I worked directly withformer Apple developerson a social media app and completed several exclusive **1:1 workshops with Apple Engineers & Designers**. **This is why I think and build software like Apple itself**: with an uncompromising focus on UI/UX, haptics, performance, and long-term maintainability.
As a **former CEO**, I also understand the business side: deadlines, budgets, and how an app can remain economically viable for development in 3-5 years.
Special Experience
- Complex **Bluetooth**-LE integrations (CoreBluetooth) e.g., in medical technology, professional cameras, smart home controls (lights, windows, etc.)
German
Native or bilingual
English
Fluent
Polish
Basic
Italian
Basic
Can work on-site
Bonn (up to 50km)
Experience
- Black Capture, IndustrieanlagenFounder & CEOMECHANICAL ENGINEERINGJanuary 2024 - Today (2 years and 7 months)Wesseling, GermanyBuilding a startup with the goal of filtering unavoidable CO2 from industry together with a research institute. Sales of software-supported industrial plants for CO2 capture in industrial environments. Development of a software-based calculation model for simulating technical key figures of CO2 capture systems.
- medipee GmbHLead Software DeveloperMEDICALAugust 2021 - December 2023 (2 years and 4 months)Moers, GermanyDevelopment of the iOS and Android app using flutter (cross-platform) for Bluetooth connection to a medical device. I completely overhauled the UI in the legacy project and defined standardized UI elements. I also trained staff on code quality, testing, and UI.
- TimeToFace GmbH,Software DeveloperSOCIAL NETWORKSJanuary 2020 - March 2021 (1 year and 2 months)Traunstein, GermanySocial Media PlatformDevelopment of the iOS and Android app for video calls and chat. Complete redevelopment with UI elements introduced together with an experienced Apple developer, video call function, matching function, graph networks, and in-app purchases or in-app subscriptions.
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Education
- Bachelor of Science in Computer ScienceHochschule Niederrhein2018Bachelor of Science Informatik