Worked on reliability and error handling across Gardener projects, focusing on backend development with Go and Kubernetes. In gardener/etcd-druid, improved reconciliation robustness by ensuring the full Etcd object was fetched at the start of the reconciliation loop, which enhanced finalizer handling and reduced deployment flakiness. Enhanced end-to-end test reliability in gardener/gardener by introducing robust resource readiness checks and refining initialization flows, leading to more predictable deployments. In gardener/gardener-extension-provider-azure, addressed hypervisor generation error handling by implementing regex-based error detection and adding unit tests, which improved error traceability and reduced the risk of production issues. Emphasized CI/CD and test automation.