Worked on the linode/cluster-api-provider-linode repository, delivering a targeted backend fix to improve Kubernetes cluster reliability on Linode. Addressed a critical issue in firewall reconciliation by implementing logic to resolve missing FirewallID values from FirewallRef, ensuring that the process no longer fails when IDs are absent. Enhanced error handling was introduced, allowing the system to requeue operations on failure rather than crash, which reduces manual intervention and operational overhead. The solution was developed using Go and leveraged skills in backend development, cloud infrastructure, and Kubernetes, resulting in more stable cluster management and improved maintainability for future audits and debugging.