Worked on stabilizing BGP gateway configuration in the derailed/cilium repository by developing a dedicated BGP default gateway auto-discovery reconciler. This component was implemented in Go and designed to process default gateway information with higher priority, ensuring correct gateway IP assignment before other BGP configurations. The work included refactoring the gateway auto-discovery logic into its own reconciler, which improved maintainability and clarified the sequencing of configuration changes. By addressing a bug related to reconciler priority, the changes reduced the risk of misconfiguration and enhanced network reliability in Kubernetes environments, leveraging skills in BGP, networking, and system design throughout the process.