Allan Chen developed the IBM Cloud Instance Groups Autoscaler Plugin for the hashicorp/nomad-autoscaler repository, enabling Nomad to manage IBM Cloud VSI Instance Groups through automated scaling. He implemented the plugin logic in Go, integrating with the IBM Cloud VPC API to support cross-cloud autoscaling operations. Allan established robust build infrastructure and managed Go module dependencies to ensure maintainability and reliable builds. His work focused on API integration and infrastructure as code, addressing the need for seamless cloud resource management within Nomad. The depth of his contribution is reflected in the end-to-end delivery of a new, production-ready autoscaler plugin.