Freelance Mobile App Expert

Padel-Tennis Club Hamburg Lohbrügge

• Development of the mobile apps "P3 Club League" for Android and iOS using Flutter
• Design of features, UX, and UI
• Use of Firebase Auth, Storage, and Realtime Database

Public sector for passenger transport

• Further development of the Android app "RiM - Rail in Motion"
• Code refactorings
• Technical evaluation and documentation
• Development following agile Scrum methodology

Digital agency for sustainable app projects

• Further development of the mobile app "Stadtradeln" for Android
• New development of the mobile app "Stadtradeln" for Android and iOS with Flutter
• Designing features, UX and UI

Gastronomy digitalization

• New development of the Android app "luca link"
• Implementation of new architecture
• Build, release, and deploy processes
• Development following agile Kanban methodology

Innovation lab of the Hamburg-based Techniker Krankenkasse

• Further development of the Android app "TK-App"
• Integration and maintenance of the modules "TK-Safe" and "TK-Fit"
• Build, release, and deploy processes on the Google Play Store with over 1 million Android users
• Supporting apprentices
• OWASP security standards
• Development following agile Scrum methodology

Development of desktop applications, 3D CAD, HoloLens, augmented reality and mobile apps

• New and further development of 3D applications and mass installation tools
• Universal Windows Platform development
• Development of RESTful APIs on an ASP .Net Core basis
• Support and technical implementation of international HoloLens projects

• New and further development of native Android and hybrid apps for iOS and Android using Flutter

Development of the mobile application "PN-digital" to transfer analog sampling documentation into a digital system.

• Development of the app in Kotlin on the Android Studio platform.
• Development of a tailored, robust, and reliable architecture that enables future extensions.
• The application provides efficient, precise documentation and offers real-time information.
• Execution of thorough testing with consideration of security aspects to ensure data confidentiality and integrity.