During March 2025, Jesus Barajas focused on backend development and testing for the SUSE/rmt repository, specifically targeting the authentication engine. He enhanced the robustness of authentication by introducing comprehensive test coverage for scenarios involving incorrect URLs and missing parameters, ensuring the system could gracefully handle edge cases. Using Ruby, he also improved error logging and handling within the authentication controller, which increased observability and streamlined debugging processes. These targeted changes reduced operational risk and strengthened the security posture of the authentication flows. The work demonstrated a methodical approach to backend reliability, emphasizing thorough testing and maintainable error management practices.