The company that has an active fortress. 11 flags The Environment Our infrastructure is largely built on Microsoft Windows. We have a hybrid configuration with on premise servers and cloud based servers using Microsoft Azure with a large number of additional technologies and middleware. We support three warehouses, a call center, corporate headquarters, and the development environment in the cloud. Our team uses a mix of Windows, Apple, and some Linux for our systems management platforms and cutting edge network equipment. About 50% of the development platform runs on Linux and the rest Windows.