Keycard is hiring two staff-level Software Engineers, Infrastructure to own build, release, and run of the control plane for agent-native environments. You will manage BYOC deployments, enforce compatibility guardrails, and lead releases across customer clouds with a focus on reliability and security. You’ll build on AWS (EKS), Pulumi, Terraform, and Helm, collaborating with founders, engineers, product, and customers. Remote-first, North/South America focus.