Leena Gupte enhanced security and observability across the alphagov/govuk-infrastructure and alphagov/search-api-v2 repositories during August 2025. She implemented environment-specific GCP access controls, separating production and integration environments to reduce risk and clarify operational boundaries. In search-api-v2, Leena improved quality metrics monitoring by preventing empty metrics from being sent to Prometheus and introducing new service classes and configurations for better analytics readiness. Her work, using Ruby, Terraform, and YAML, focused on backend development and infrastructure as code, laying a foundation for scalable monitoring and data-driven decision-making while strengthening incident detection and supporting future cloud services integration.