Developers love patterns - proven approaches to well-known problems that make our jobs easier and set our projects up for success. In complex, distributed systems such as microservices, patterns like CQRS and Event Sourcing help decouple and scale your systems, and unlock hidden context that is valuable to the business. In this session, we take a look at some typical patterns for building robust and performant serverless microservices, and how data access patterns drive polyglot persistence.