The core activity of Freivogel Informatik GmbH is software development, particularly: * Backend development with Java (maintenance, modernization, and new development of systems based on Jakarta EE, Spring, and other standards) * Development of web frontends (maintenance of legacy web applications and development of new modern web applications based on JavaScript frameworks such as Angular) * DevOps (Continuous Integration, Continuous Deployment, quality assurance in the build process, deployable packaging, and Agile methods)