Vanga Orth contributed to the pagopa/io-messages and pagopa/terraform-azurerm repositories by delivering targeted infrastructure and documentation improvements. For io-messages, Vanga created a PlantUML sequence diagram that visualizes the message reload flow, clarifying data movement and API interactions to support onboarding and design reviews. In the terraform-azurerm modules, Vanga modernized CDN URLs and authored migration guides, enhancing deployment security and upgrade readiness for Azure resources. The work leveraged Terraform, HCL, and Markdown, demonstrating a focus on maintainability and clarity. Across both projects, Vanga’s contributions addressed real workflow needs and provided depth in both infrastructure and documentation practices.