Works
From enterprise platforms to personal apps — a selection of projects I shaped from design to code.
Featured Case Studies
myAudi
Eight years of UX design shaped by user research and usability testing within large, cross-agency agile teams using the SAFe framework.
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Onoma
From initial idea to App Store — with swipe-based interaction for quick decision-making, detailed name profiles surfacing pronunciation and etymology, and real-time collaborative matching between partners.
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ZigHaven
Built around progressive disclosure to manage smart home complexity, with visual schedule editing, AI-powered room organization, and full VoiceOver accessibility throughout.
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Two custom Grav CMS plugins with a retro Windows 95 interface — featuring token-based guest authentication for personalized RSVP management and collaborative photo sharing.
A Canvas-based web app faithfully recreating the iconic Hamburg U-Bahn dot-matrix destination display with custom pixel font and countdown timer. Originally built for a wedding website, later extracted into a standalone open-source project.
Available almost since the launch of the App Store, Smart Alarm detected holidays and vacation days to prevent unwanted alarms, adjusted wake-up times based on weather, and included a location-based alarm that triggered when reaching a destination.
Co-designed and tested with blind users from day one, using VoiceOver as the primary interaction model. One of the first accessible transit navigation apps at the time of release.
Continuously operated for 20 years (2005–2025) as a distribution hub for personal projects and community-contributed German localizations.
Developed as part of my Master of Science at the University of Dundee, featuring a novel circular swipe context menu. Includes a formal gesture mapping study and usability evaluation addressing so-called gorilla-arm syndrome.
Applied research project with a UI that dynamically adapts between near-field hand gestures and far-field body gestures based on operator distance. Informed by Fitts' Law analysis and operator workflow observation.
Freelance iOS development with tailored designs for iPhone and iPad, seamless WordPress integration, and intelligent storage management that automatically cleans up older content.