Greeshma Mathew contributed to the zalando-incubator/kubernetes-on-aws repository by focusing on deployment stability and observability within Kubernetes environments. She updated the skipper-internal image version in deployment manifests using YAML, ensuring runtime consistency and reducing configuration drift across development, staging, and production. In a subsequent release, she upgraded the Parca Agent in the cluster’s daemonset, enhancing monitoring and diagnostics with minimal production risk. Her work emphasized traceable, targeted changes and maintained alignment between infrastructure configuration and operational state. Leveraging DevOps and infrastructure management skills, Greeshma delivered focused improvements that strengthened deployment reliability and cluster observability over a two-month period.