Explore patterns for building stateful applications with serverless architecture in this 35-minute conference talk. Learn why developers love serverless computing and how to overcome challenges related to state management. Discover solutions for accessing, persisting, and sharing data across concurrent executions in serverless environments. Examine architectures and tools for integrating serverless with existing stateful applications, focusing on brownfield and incremental adoption scenarios. Gain insights into CQRS patterns and strategies for transitioning to stateless business logic while effectively managing state in serverless computing.