This video from AWS re:Invent 2023 explores best practices for serverless developers. Julian Wood and Chris Munns discuss how serverless architectures allow developers to focus on delivering customer value without managing infrastructure. They cover service-full serverless design, optimizing Lambda functions, and improving the software delivery lifecycle. Key topics include using managed services, tuning Lambda performance, implementing CI/CD pipelines, and adopting platform engineering approaches. The speakers provide numerous tips and resources for building high-performance, cost-effective serverless applications at scale on AWS.