Full-time software developer since 2010. 16 years of continuous iOS development across healthtech, cleantech, and broadcast media. I own projects end-to-end — from iOS apps to backend APIs to CI/CD pipelines. Fluent in four languages, active open source contributor.
Professional Experience
Senior iOS Engineer — SRF Schweizer Radio und Fernsehen
Zürich, Switzerland · July 2023 – Present
Developing and maintaining SRF News, Meteo, and Sport iOS apps with 1M+ daily active users
Swift and SwiftUI for Apple platforms, with strong focus on code quality, refactoring, and code reviews
Maintaining CI infrastructure for the iOS team
Member of the company's AI guild
Agile, cross-functional team with pairing and structured peer feedback
Full Stack Developer — eCarUp AG
Rotkreuz, Switzerland · October 2018 – June 2023 (4 years 9 months)
Led complete rewrite of iOS apps from Xamarin to Swift (50k+ LOC), designing new UI/UX throughout
Built white-label iOS apps with a flexible theme engine for multiple partners (NeoVac, IMOVAcharge)
Developed admin portal frontend in Angular and backend API in .NET serving mobile apps, frontend, and charging stations
Managed Azure infrastructure with Kubernetes, ArgoCD, and Cloudflare
Automated releases with GitHub Actions and Xcode Cloud; integrated Stripe payments and NFC card scanning
Secured $100k Microsoft for Startups funding for the company
iOS Developer — AMBOSS GmbH
Berlin, Germany · January 2015 – September 2018 (2 years 9 months)
Built and maintained two iOS apps serving medical students and physicians — a knowledge library (thousands of learning cards, WKWebView + native bridging, offline CoreData sync) and a question bank (USMLE/NBME exam prep)
Apps integrated via universal links and could run side-by-side on iPad
Created, deployed, and managed a Python (Django) backend API end-to-end
Maintained CI/CD pipelines for iOS and Python projects; served as code reviewer
Interviewed and assessed potential new hires for technical fit
iOS Developer — The Prestige Publishing / Hubert Burda Media
Berlin, Germany · September 2014 – December 2015 (1 year 4 months)
Built the DasKochrezept iOS app — featured by Apple, reached #6 in Food & Drink first week with no marketing
Developed iOS and tvOS apps for YoouBuzz infotainment platform; worked on PHP backend
Lead Mobile Developer — TrendU Lifestyle GmbH
Berlin, Germany · November 2013 – August 2014 (10 months)
Led complete rewrite of iOS fashion marketplace app from agency-delivered v1
Implemented custom UIKit Dynamics animations; Tinder-like swiping interface generating 200k decisions per day
Managed QA of the Android version; technology acquired by Hubert Burda Media
Lead iOS Developer — MD Digital Mobility (myDriver / Sixt)
Berlin, Germany · December 2012 – November 2013 (1 year)
Led iOS team developing customer-facing and driver-facing apps for the myDriver limousine service
Refactored legacy codebase, introduced new design, maintained Jenkins CI server with unit test suite
iOS Developer — Igobubble Limited
Berlin, Germany · February 2012 – November 2012 (10 months)
Developed social discovery iOS app in Objective-C/C++ with Chipmunk Physics engine and accelerometer-based bubble simulation
Built C# .NET backend API with custom WebSocket protocol; implemented instant messaging (text, voice, video, images)
iOS Developer — Norbsoft Sp. z o.o.
Kraków, Poland · January 2010 – February 2012 (2 years 2 months)
Developed 10+ iPhone/iPad projects spanning streaming media, database integration, OpenCV face recognition, OpenGLES, maps, online shopping, and social networking
Responsible for architectural design, UI, and testing — majority built solo
C++/Python Developer — Delphi (softDVB-T)
Kraków, Poland · November 2009 – September 2010 (11 months, side project)
Developed two blocks of a software DVB-T modulator based on software-defined radio using GNU Radio and USRP2 hardware
Implemented Reed-Solomon Convolutional Coder and Inner Interleaver for data stream error protection
Education
MSc Engineering, Electronics and Telecommunications — AGH University of Science and Technology, Kraków (2006–2011)
Specialisation: Networks and Services. Thesis: Analysis of multi-rate mode of IEEE 802.11 EDCA wireless networks using ns-3 simulator.
Languages
Polish — native
English — C2 (proficient)
Spanish — C1 (DELE certified)
German — B2
Certifications
Professional Scrum Master I (PSM I) — Scrum.org, May 2022
Professional Scrum Product Owner I (PSPO I) — Scrum.org, August 2022
Microsoft Certified: Azure AI Fundamentals — September 2022
Microsoft Certified: Azure Data Fundamentals — October 2022
Cisco Certified Network Associate 4.0 (CCNA) — valid to November 2013
Publications & Community
Technical Reviewer — Swift Game Development, 3rd Edition, Packt Publishing (2018)