Switchboard builds the routing, temporal, analytical, and control layers that surround that directory the Read Proxy, Time Machine, the Identity Data Lake, and GSAM, the control plane for millions of system accounts across Amazon"s engineering data planes. Throughout the day, you"ll collaborate with Identity and Access Management service teams to design features, participate in architecture reviews for scalability improvements, and write high-performance code to handle authentication and authorization requests across Amazon"s services.