Explore serverless architectural patterns in this 51-minute conference talk by Yan Cui at NDC Conferences. Discover how serverless technologies like AWS Lambda have simplified building reactive systems. Learn about emerging design patterns, including pub-sub, cron, push-pull, saga, and decoupled invocation. Understand how to choose the right event source based on desired tradeoffs. Gain insights into automating processes, such as file processing triggered by S3 uploads, real-time event processing with Kinesis streams, and implementing security policy audits. Enhance your knowledge of serverless architecture to build more efficient and responsive systems.