During January 2026, Schildbach contributed to the traefik/traefik repository by standardizing ACME logging terminology across the codebase. He updated log messages to replace hardcoded references to LetsEncrypt with the more accurate ACME term, improving clarity and consistency for users and maintainers. This targeted change, implemented in Go, enhanced backend logging without altering existing functionality or introducing risk. By focusing on precise language in log outputs, Schildbach enabled faster diagnostics and reduced support overhead. The work demonstrated careful attention to detail and a clear understanding of backend development practices, delivering business value through improved maintainability and operational transparency.