Worked on the kubernetes/autoscaler repository to enhance demonstration stability by delivering a longer-lived external gRPC CA certificate example. Extended the certificate validity in ca.yaml to approximately ten years, reducing the frequency of credential rotation and supporting more reliable demo workflows. Focused on feature delivery and validation rather than bug fixes during this period, ensuring that the new certificate management approach met security and usability requirements. Utilized YAML for configuration and applied expertise in certificate management and Kubernetes integration to streamline the demo process, providing clearer guidance for users and improving the overall developer experience with stable, long-term credentials.