Java, Rust, Javascript, API design standards, caches, queues, Go, message brokers, API-first design principles, SDKs, API frameworks

Sql, Rest Assured, Shell scripting, Grafana, Datadog, AWS, Prometheus, Kubernetes, Buildkite, Azure, JUnit, Docker, Terraform, Gcp, Jenkins, ELT pipelines, GitHub Actions, test automation utilities, Bazel, CircleCI, whitebox testing strategies