DataCater unlocks more value from organizations' data, faster. This talk walks you through our stack, architecture, and processes. We develop tools to deploy and run data-driven applications in a cloud-native environment. We will give a whirlwind tour on developing a java Quarkus application, a CICD stack powered by Github Actions / ArgoCD, building and deploying containerized Kafka Streams applications at runtime with Jib container builder. Having introduced the above common understanding, we will give a high-level overview of how we utilize modern Kubernetes and Cloud tooling to manage multiple clusters in different organizations together with our customers.