Juste Guipi enhanced observability in the gardener/gardener repository by introducing the kube_node_created metric to both cache and shoot metric allowlists. Working primarily with Go and Kubernetes, Juste focused on improving visibility into node lifecycle events, enabling teams to monitor node creation more effectively and respond to infrastructure changes with greater agility. The technical approach emphasized repository discipline, ensuring that metrics exposure remained consistent across components and that all changes were traceable through well-documented commits. While the work spanned a single feature over one month, it demonstrated depth in observability engineering and contributed to more robust monitoring and capacity planning workflows.