Carlo Mazzaferro contributed to the worldcoin/iris-mpc repository by delivering targeted improvements in deployment reliability and operational efficiency. He migrated the KMS ARNs configuration format to ensure correct parsing as a string array, resolving a deployment bug and enhancing maintainability. Carlo also optimized deployment templates by adjusting memory allocations and refining container configurations, which reduced resource usage and improved stability. In addition, he implemented a deployment pipeline trigger using a whitespace-only YAML change, enabling automated deployment signaling without functional code modifications. His work demonstrated strong skills in Kubernetes, CI/CD, and configuration management, addressing both infrastructure robustness and workflow traceability.