Rpc, API design, Data Modeling, Microservices, Servers, Docker, Distributed Systems, Python, AWS, Java, Graphql, REST, Gcp, Azure, Kubernetes, Go, GitHub workflows, service-oriented architecture, database metrics, cloud-native architectures, asynchronous systems, CircleCI, observability, backend software engineering, testable systems, deployment tooling, Caching, event buses, queues, SDKs, developer tooling