Adapt project in cooperation with our partner Folium (folium.cloud) is about managing ads for a large number of custom players and providers. Performs targeted selection of advertising, converts it to the desired format, corrects video and audio parameters, interacts with advertising exchanges, collects statistics, and integrates third-party systems. The application has been in production for over two years. The average daily load is over 30 million requests and hundreds of terabytes of traffic. Development is carried out in Java and Kotlin languages ??using Spring, Netty, Dagger, Spek, Maven, etc. Much of the project is being developed using a serverless architecture based on Amazon Web Services. Services such as Lambda, ECS, Kinesis, S3, ElastiCache, DynamoDb, CloudFormation, Athena, etc. are used. The CI / CD system, testing, Blue / Green deployment is established. Management is located in California. At the moment, the development of new services is starting, capable of handling millions of concurrent requests.