I’m Marcus – a 53-year-old software developer and consultant from Ortenau, Germany.
I build accessible, maintainable software in C# and Python.
When I’m not coding, I’m cycling and fine-tuning bikes.
- Writing clean, elegant, energy-efficient code
- Making software accessible for everyone (WCAG 2.1 AA)
- Following proven principles: Clean Code, SOLID, DRY, KISS, TDD
- Sharing knowledge about neurodivergence and accessibility
- Languages: C#, Python, JavaScript, TypeScript, SQL, Java
- Frameworks: .NET, WPF, WinForms, ASP.NET
- Testing: Ranorex, TDD, accessibility testing
- Tools: Git, Visual Studio Code, Scrum workflows
- 🚴 where2ride – a TypeScript + Tailwind starter for exploring cycling routes
- 🌀 Autinaut – C# app for autism spectrum self-reflection and visualization
- 🎮 TicTacToe – classic WPF version of Tic-Tac-Toe in C#
- 🎲 Greed – a risk-and-luck dice game in C#
- 📚 Vokabeltrainer – Android app to build and practice vocabulary lists
- Building more accessible tools for everyday developers
- Exploring new ideas at the intersection of cycling, creativity, and code


