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Andrea Grillo

PROFILE

Andrea Grillo

Andrea Grillo engineered robust cloud infrastructure and automation solutions across the pagopa/io-wallet and related repositories, focusing on secure, scalable deployments and streamlined developer workflows. He implemented Terraform-based infrastructure as code, integrating Azure services such as Cosmos DB, Key Vault, and API Management to enable private networking, automated certificate renewal, and centralized secrets management. Leveraging technologies like Python scripting and GitHub Actions, Andrea enhanced CI/CD pipelines, improved alerting reliability, and introduced end-to-end testing environments. His work demonstrated depth in cloud security, network configuration, and automation, resulting in resilient, maintainable systems that accelerated feature delivery and reduced operational risk.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

472Total
Bugs
38
Commits
472
Features
229
Lines of code
75,373
Activity Months19

Work History

April 2026

1 Commits

Apr 1, 2026

April 2026 monthly summary: Delivered a targeted fix in pagopa/io-wallet to improve Slack alert quality for TLS certificate renewal failures. The fix ensures the certificate name is displayed correctly in Slack notifications, addressing a formatting issue that previously caused confusion in on-call communications. The change was implemented with a minimal-risk code patch and aligns with our focus on reliable alerting and faster incident response.

March 2026

21 Commits • 7 Features

Mar 1, 2026

For 2026-03, delivered cross-repo cross-functional improvements in dx and io-wallet focused on security, reliability, and automation. Key outcomes include consolidated Stategraph domain, authentication, and secret management with DNS/config for a custom domain, Google OIDC integration, and secret handling in workflows (plus standardized secret names); migration of Terraform state backend from Azure to HTTP-based Stategraph service with module upgrades; end-to-end TLS automation across environments with new automation environments, renewal scheduling, and environment naming standardization; updated Stategraph container images to latest releases for bug fixes; CI/CD workflow hardening with improved Slack notifications and per-environment secret handling; io-wallet enhancements for TLS renewal automation and monitoring with Slack alerts; and infrastructure drift remediation/ autoscaling optimization for application gateway and CDN. These initiatives reduce manual toil, accelerate secure deployments, improve monitoring, and strengthen operational resilience across dev, uat, and prod.

February 2026

32 Commits • 23 Features

Feb 1, 2026

February 2026 monthly performance highlights: Delivered targeted features and reliability improvements across io-wallet, dx, and io-sign, focusing on testing control, security, and developer productivity. Key outcomes include uat testing resource governance, infrastructure modernization, and expanded development tooling that enable faster, safer delivery of business capabilities.

January 2026

28 Commits • 14 Features

Jan 1, 2026

For 2026-01, delivered a broad set of infrastructure and platform enhancements across io-wallet, io-infra, and dx to boost security, reliability, and scalability of payment services. Implemented PSN/DNS/APGateway Domain Migration and Private Endpoint enabling private, auditable connectivity between IO wallet and PSN, including DNS provisioning, zone updates, TTL optimization, App Gateway migration, Front Door integration, and private endpoint documentation. Stabilized CDN assets by ensuring index.html presence and reinforcing content delivery pipelines. Cleaned up PSN APIM configurations by removing obsolete API groups, updating with new groups, and adding functional keys, alongside enhancements to Function App Support APIs with subscription keys. Upgraded IO WEB APIM API group with tags and revision 2. Scaled API gateways and routing for wallet services, with increased APIM instances and refined path-based routing. Completed documentation efforts (Spoke docs, architecture diagrams, readme diagrams) and devcontainer improvements. In dx, introduced autoscaling optimization for APIM using ignore_changes on sku_name to enable more instances without unnecessary updates. Overall impact: improved security, observability, and cost-effective scalability, delivering faster time-to-value for PSN integrations and wallet services.

December 2025

44 Commits • 17 Features

Dec 1, 2025

Concise monthly summary for December 2025 focusing on business value, security, and reliability improvements across PSN initiatives, with emphasis on private connectivity, security hardening, and scalable API governance.

November 2025

17 Commits • 7 Features

Nov 1, 2025

November 2025 monthly review: Delivered substantial infrastructure automation, security enhancements, and governance improvements across dx and io-wallet. Notable outcomes include automated CI/CD testing for Terraform integration with a dedicated environment and refined workflow patterns, Azure App Configuration integration with security enhancements (role assignments, resource naming, private endpoints), Cosmos DB Terraform module end-to-end tests with corrected role assignments, a new non-sensitive settings handler to prevent data exposure, and bootstrapper usability improvements exposing Azure IDs. The work also covered IaC alignment and provider updates, comprehensive documentation updates, and CI/CD labeling improvements for GitHub runners. These changes reduce risk, accelerate safe deployments, and improve developer productivity.

October 2025

9 Commits • 9 Features

Oct 1, 2025

October 2025 performance highlights focused on security hardening, reliability, and multi-cloud readiness across Pagopa engineering teams. Summary of deliverables includes network security enhancements for development VNets, CI/CD reliability improvements for self-hosted GitHub runners, expanded monorepo onboarding with Terraform management and cloud-provider links, standardization of Azure Cosmos DB naming, and expanded Terraform testing coverage for Cosmos DB. Infrastructure updates also included Azure Private Endpoints for app-backend and a new Container App Environment module, plus an infrastructure modernization effort upgrading bootstrapper and production structure to align with newer module versions.

September 2025

14 Commits • 9 Features

Sep 1, 2025

September 2025 performance summary: Delivered cross-repo platform improvements with a focus on naming consistency, monitoring, IaC reliability, and testing. Highlights include: VPN/NAT Gateways named to avoid conflicts with configurable Entra ID prefix; Function App module extended to support multiple action groups and updated migration notes; Bootstrap/module v3 upgrades across key repos with enhanced Terraform state security via Azure AD authentication; establishment of a dedicated testing/integration environment with isolated infrastructure and expanded test coverage; and comprehensive TLS certificate management documentation for Azure Application Gateway. Also fixed a Container App Jobs naming bug to comply with Azure naming constraints.

August 2025

16 Commits • 6 Features

Aug 1, 2025

August 2025 delivered significant performance, security, and automation improvements across io-infra, dx, io-auth-n-identity-domain, and io-messages. Key outcomes include faster CI/CD through CI Runner enhancements and Terraform optimizations, strengthened Key Vault security with TLS-scoped vaults, private endpoints, and refined access controls across ItalyNorth and ITN, as well as a new canary deployment capability for Azure App Service. Production reliability improved via environment-aware purge protections and corrected monitoring alerts. Governance and ownership clarity were tightened through updated CODEOWNERS and Terraform workflow SHAs, enabling more predictable, auditable releases across multiple repos.

July 2025

50 Commits • 14 Features

Jul 1, 2025

Month: 2025-07. This period delivered security-focused infrastructure modernization, platform reliability, and developer experience improvements with measurable business value across pagopa/io-infra, pagopa/dx, and pagopa/io-auth-n-identity-domain.

June 2025

21 Commits • 9 Features

Jun 1, 2025

June 2025 across pagopa/dx, pagopa/dx-playground, pagopa/io-messages, and pagopa/io-infra focused on delivering automated deployment capabilities, stabilizing infrastructure, and improving developer productivity. Key outcomes include end-to-end CI/CD automation for Web Apps and Azure Container Apps, enhanced Container Apps scalability and RBAC controls, standardized alerting for Azure Service Bus, automation for API Management artifacts, and security-hardening for ITN infrastructure. Additionally, provider version management and environment-based publishing workflows improved reliability and governance across multiple repos.

May 2025

26 Commits • 13 Features

May 1, 2025

Month: 2025-05 Concise Monthly Summary for Developer Performance Review Key features delivered: - Azure Service Bus Namespace Terraform module and naming conventions: standardized naming mappings; new Terraform module for Service Bus Namespace (Standard and Premium with private endpoint support and autoscaling); enhanced role assignments via centralized namespace bootstrapping; security hardening by disabling public access. Documentation and a blog post were added to facilitate adoption (#550-#563, #579). - Documentation improvements and deployment guidance: major repo-wide documentation overhaul, including Node.js Azure Functions deployment workflow, API Management best practices, and Azure GitHub Environment Bootstrap module usage notes (#511-#535-#588-#514). - Terraform Drift Detection improvements and docs: enhanced drift detection workflow with explicit read permissions in workflows and updated Drift Detection docs plus Slack notification guidance (#542, #592). - Azure API Management NSG security hardening: added inbound/outbound NSG rules and corrected destination port configuration to improve secure access (#568, #570). - App CD identity IAM role updates: expanded CDN deployments and resource management permissions for App CD identity (#573, #576). - System-assigned managed identity for Azure CDN FrontDoor Profile: added system-assigned identity to enable secure cross-service authentication (#595). - io-infra and governance enhancements: VPN resource recreation bug fix; Cosmos DB RBAC with Infrastructure Identities; centralization of authentication resource groups; overhaul of PagoPA Opex Dashboards role definitions; Slack/Key Vault driven monitoring for drift (#1522-#1529, #1508-#1529). - io-auth-n-identity-domain: deployment access control alignment of AAD groups; Slack webhook for Terraform drift notifications (#192, #313). - io-services-cms: Opex role enablement via Terraform provider upgrades (azuread, azurerm, github) and bootstrap module upgrade (#1269). - io-messages: Azure Infrastructure – Application Insights data source refactor and provider upgrade to improve consistency and maintainability (#248). Major bugs fixed: - VPN Resource Recreation Bug Fix: corrected subnet ID construction to prevent unintended VPN recreation; included provider version updates (#1522). - Terraform Drift Detection workflow: fixed read-permission issue in drift workflows and updated Slack notification guidance (#542). - APIM NSG rule declarations: corrected rule declarations and destination ports to restore expected security posture (#568, #570). Overall impact and accomplishments: - Strengthened security posture, governance, and compliance across multiple repos with standardized naming, centralized RBAC, and hardening of network access. - Improved reliability and maintainability through drift detection enhancements, VPN stability fixes, and provider upgrades. - Accelerated deployment readiness and onboarding via comprehensive documentation, deployment guides, and bootstrap module improvements. - Enabled better observability and cross-service authentication through Application Insights refactor, system-assigned identities, and Key Vault-driven automation. Technologies and skills demonstrated: - Terraform (modules for Service Bus, Cosmos DB RBAC, authentication resource management, bootstrap upgrades) - Azure RBAC, AAD group alignment, and system-assigned identities - Private endpoints, autoscaling, and security hardening of cloud resources - GitHub Actions workflows, Slack/webhook integrations, and Key Vault secret usage for automation - Documentation governance and knowledge sharing through updated how-to guides and best practices

April 2025

39 Commits • 17 Features

Apr 1, 2025

April 2025 performance snapshot focused on delivering security, reliability, and automation improvements across dx, io-infra, io-messages, and io-wallet. The period emphasized container app hardening, identity and access governance, cross-region resilience, and CI/CD governance, translating technical work into measurable business value: more secure deployments, faster delivery, and stronger uptime.

March 2025

44 Commits • 25 Features

Mar 1, 2025

March 2025 performance highlights across the pagopa infra stack: delivered critical APIM migration reliability features, governance and tagging modernization, and foundational private infra/CI-CD enhancements that reduce deployment risk and improve cost visibility. Implemented an end-to-end APIM Migration Workflow Scheduler, restored production values in workflows, fixed backup workflows, and cleaned obsolete region/DNS configurations; standardized resource tagging; and expanded private infrastructure capabilities with Jira integration.

February 2025

39 Commits • 16 Features

Feb 1, 2025

February 2025 highlights: Cloud infrastructure modernization, security hardening, and CI/CD enhancements across Pagopa platforms, enabling safer, faster, and auditable deployments. Key deliverables include Terraform-based Azure provisioning with centralized state and subscription-wide RBAC; storage security hardening and data archiving with Entra ID authentication; dev environment (dev-io) and CI/CD workflow setup; APIM backup/restore automation; and ongoing IaC quality improvements including provider/module upgrades and registry migrations.

January 2025

24 Commits • 15 Features

Jan 1, 2025

January 2025 monthly summary across pagopa io-infra, pagopa dx, pagopa io-wallet, pagopa io-auth-n-identity-domain, and pagopa io-services-cms. Delivered significant security hardening, governance improvements, and CI/CD automation. Key infrastructure changes include resource tagging standardization, Key Vault access control enhancements, network/resource simplifications, state backend migration, and expanded RBAC. Across DX and ecosystem repos, introduced APIM role assignments, subnet enhancements, CI/CD testing automation, mono-repo bootstrap modules, and durable functions support. IAM hygiene improved with wallet access alignment and production cleanup, plus cross-repo secret access for CI/CD. Focused on business value, reliability, and scalable governance while enabling faster, safer deployments.

December 2024

16 Commits • 11 Features

Dec 1, 2024

Month: 2024-12 — This period delivered substantial platform hardening and modernization across multiple repositories, driving business value through improved developer experience, stronger governance, and more scalable infrastructure. Key outcomes include standardized development environment and quality assurance for the Terraform Azure modules; introduction of Azure API Management modules to enable scalable API governance; expansion of production-managed identities with explicit RBAC for a new resource group; comprehensive infra modernization including Trial System decoupling, deprecated component removal, regional resource grouping, and Terraform/CI tooling upgrades; and DX/CI/CD modernization to ensure compatibility with azurerm v4 and updated runner images. While no critical defects were reported, the work reduces maintenance debt, improves deployment reliability, and accelerates onboarding and feature delivery.

November 2024

29 Commits • 16 Features

Nov 1, 2024

November 2024 performance summary for Pagopa engineering. Executed extensive governance, reliability, security and deployment improvements across infra, dx, wallet, CMS and IPAccess domains, delivering production-ready features, regional expansions and cost-control measures that reduce risk and accelerate time-to-market.

October 2024

2 Commits • 1 Features

Oct 1, 2024

October 2024 focused on delivering actionable, value-driven improvements across two key repos. Delivered user-facing alerting enhancement in io-wallet and ensured operational resilience after manual failover in io-services-cms by aligning network configurations, reducing risk of misconfiguration and downtime.

Activity

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Quality Metrics

Correctness93.2%
Maintainability91.0%
Architecture91.8%
Performance85.8%
AI Usage22.6%

Skills & Technologies

Programming Languages

BashDockerfileGoHCLJSONJavaScriptMarkdownMermaidPowerShellPython

Technical Skills

API DevelopmentAPI Gateway ConfigurationAPI ManagementAPI integrationAPI managementAccess ManagementApplication GatewayAutomationAzureAzure API ManagementAzure CLIAzure Cosmos DBAzure DevOpsAzure IAMAzure Integration

Repositories Contributed To

11 repos

Overview of all repositories you've contributed to across your timeline

pagopa/dx

Nov 2024 Mar 2026
17 Months active

Languages Used

HCLYAMLhclyamlTerraformbashJSONMarkdown

Technical Skills

AzureCI/CDCloud InfrastructureCloud SecurityDevOpsGitHub Actions

pagopa/io-infra

Nov 2024 Jan 2026
13 Months active

Languages Used

HCLTerraformYAMLhclyamlBashJSON

Technical Skills

AzureAzure DevOpsCI/CDCloudCloud ComputingCloud Infrastructure

pagopa/io-wallet

Oct 2024 Apr 2026
15 Months active

Languages Used

HCLTerraformYAMLMarkdownyamlMermaidPythonXML

Technical Skills

Cloud MonitoringInfrastructure as CodeAzureAzure Cosmos DBCloudCloud Computing

pagopa/io-auth-n-identity-domain

Dec 2024 Oct 2025
8 Months active

Languages Used

TerraformHCLhclyamlYAML

Technical Skills

Cloud SecurityIdentity and Access ManagementInfrastructure as CodeAzureCI/CDDevOps

pagopa/io-messages

Feb 2025 Sep 2025
7 Months active

Languages Used

HCLTerraformYAML

Technical Skills

AzureCI/CDCloud EngineeringCloud InfrastructureCloud SecurityDevOps

pagopa/io-services-cms

Oct 2024 Oct 2025
7 Months active

Languages Used

HCLTerraform

Technical Skills

AzureCloud InfrastructureTerraformAzure Cosmos DBCI/CDIAM

pagopa/io-ipatente

Nov 2024 Sep 2025
4 Months active

Languages Used

HCLhclyamlTerraform

Technical Skills

AzureCloud InfrastructureInfrastructure as CodeTerraformDevOpsGitHub Actions

pagopa/dx-playground

Jun 2025 Jun 2025
1 Month active

Languages Used

DockerfilePowerShellYAML

Technical Skills

API ManagementAzureCI/CDContainerizationDevOpsEnvironment Setup

pagopa/terraform-azurerm-v4

Dec 2024 Dec 2024
1 Month active

Languages Used

HCLMarkdownShellYAML

Technical Skills

AzureCI/CDCode QualityDevOpsDocumentationInfrastructure as Code

pagopa/io-functions-admin

Mar 2025 Mar 2025
1 Month active

Languages Used

HCL

Technical Skills

AzureDevOpsGitHub ActionsInfrastructure as CodeTerraform

pagopa/io-sign

Feb 2026 Feb 2026
1 Month active

Languages Used

JSON

Technical Skills

ContainerizationDevOpsVSCode Configuration