Worked on the fireproof-storage/fireproof repository to enhance security by updating the allowed_signers list in accordance with current governance policies. Focused on access control, the developer removed an outdated email from the configuration, reducing the risk of unauthorized sign-offs and improving auditability. The change was implemented through a single, well-documented commit, ensuring traceability and minimal disruption to ongoing operations. Leveraged skills in configuration management and Git version control, with attention to operational stability and compliance. No new features were added during this period, but the targeted bug fix addressed a critical aspect of security and maintained alignment with organizational requirements.