Slides GitHub Actions Workflows (WordCamp Netherlands, 2024) GitHub Actions Workflows (WordCamp Karlsruhe, 2024) Performance Awareness and Optimization (WordCamp Netherlands, 2023) An Introduction to Unit Testing (for WordPress) (WordCamp Europe, 2018) The Hitchhiker’s Guide to the WordPress Coding Standards (WordCamp Retreat Soltau, 2018) An Introduction to Unit Testing (for WordPress) (WordCamp London, 2018) The Hitchhiker’s Guide to the WordPress Coding Standards (WordCamp Antwerp, 2018) We Are Community (WordPress Meetup Aachen, February 2018) Using PSR-7 Middleware in Your RESTful WordPress Projects (WordCamp Nijmegen, 2017) REST in Pieces (WordCamp Berlin, 2017) An Introduction to Unit Testing (for WordPress) (WordCamp Vienna, 2017) REST in Pieces (WordCamp Vienna, 2017) One Website, All the Languages (WordCamp Geneva, 2016) An Introduction to Software Testing (WordCamp Cologne, 2016) One Website, All the Languages (WordCamp Antwerp, 2016) IT Certifications: What Are They Good For? (WordCamp Nuremberg, 2016) How (Not) to Write Testable Code (WordCamp Nuremberg, 2016) An Introduction to Software Testing (WordCamp Berlin, 2015) Brush Up Your Taxonomy Skills (WordCamp Berlin, 2015)