Trainer and Consultant with focus on Angular. Google Developer Expert (GDE) who writes for O’Reilly, the German Java Magazine, windows.developer and Heise. Regularly speaks at conferences.
PHP Development Best Practices & Application
Web Development Web Development & more
Agile & Culture Agility has become mainstream
Architecture Concepts & Environments
Web Security All about Web Security
Testing & Quality An overview of the most important topics
DevOps DevOps is a philosophy