Christian Heitzmann, MSc ETH CSE, is the owner of SimplexaCode AG in Lucerne, Switzerland. His professional certifications include Java, Python, and Spring. He holds teaching diplomas in both Computer Science and Mathematics, as well as a CAS in Machine Learning. With over 20 years of experience in professional software development and over 15 years in teaching and training, he works as a developer, documentation consultant, and trainer, bringing order to software, documentation, and data.