Cash App, part of the Square ecosystem, has amassed over 15 million monthly active users and continues to grow. Building its next-gen stack on top of AWS-managed open-source technologies has allowed Cash App platform teams to focus on security and increase developer velocity and permitted the app's product engineering teams to focus on business value. Come and learn how Cash App built its stack on top of Amazon EKS while leveraging AWS's first-rate managed services. If you are running at scale any application that requires operational excellence and fine-grained security policies, this session is for you.