During May 2025, Jeremias contributed to the FOSSBilling/FOSSBilling repository by implementing automated task scheduling within the Docker image. He configured a cron daemon to run cron.php as the www-data user every five minutes, enabling reliable background job execution without manual intervention. This approach leveraged his skills in DevOps, Docker, and system administration, utilizing Dockerfile and shell scripting to install and configure the cron service. By embedding scheduled task automation directly into the containerized environment, Jeremias improved operational efficiency and reduced maintenance overhead. The work demonstrated a practical application of Linux cron and PHP scheduling in a production-like deployment context.