Worked on the SUSE/rmt repository to enhance authentication robustness and observability within the backend. Focused on strengthening the authentication controller by introducing targeted test coverage for scenarios involving incorrect URLs and missing parameters, using Ruby as the primary language. Improved error logging and handling mechanisms to support better incident response and debugging, thereby reducing operational risk and supporting a stronger security posture. Emphasized backend development and testing skills to ensure authentication-related flows were thoroughly validated. The work delivered a single feature that increased the reliability of authentication processes, with no bugs fixed during the period, reflecting a focused engineering effort.