Christian Londero developed secure key management automation and enhanced API capabilities across the pagopa/cstar-securehub-infra and pagopa/cstar-securehub-infra-api-spec repositories. He implemented dynamic Azure Key Vault provisioning using Terraform and HCL, enabling environment-specific key creation and reducing manual intervention for TPP environments. In parallel, Christian expanded backend API functionality by introducing endpoints for payment processing and recipient whitelist management, updating OpenAPI specifications and improving documentation clarity. His work addressed deployment consistency and API discoverability, resolving issues in API spec generation and CI workflows. The solutions delivered improved security posture, maintainability, and integration support for third-party providers within the PagoPA ecosystem.