During March 2026, Kardas worked on the envoyproxy/gateway repository, delivering a health check retries mechanism that enhances service resilience. By introducing the retriableStatuses feature, Kardas enabled the system to retry specified HTTP statuses before marking a host as unhealthy, reducing false positives during transient network errors. This approach improved uptime and availability for downstream services. The implementation was completed in Go, leveraging backend development and API design skills, and followed repository best practices with clear commit messages and code review readiness. Kardas’s work demonstrated a thoughtful balance between technical depth and business value, focusing on reliability within Kubernetes environments.