Support in the development of a professional and high-performance Ad Server system for displaying video ads in classic billing models as well as OpenRTB. processing large amounts of data; linking advertising services between television and the Internet; APIs for various applications; system monitoring; backup and backup strategy; software development and testing. System operations, kubernetes based environment. At peak times over 1,000,000 queries per minute. Over 100 servers in action. Over 300 apps in the kubernetes clusters.