AWS, GCP, Terraform, Crossplane, Kubernetes, Amazon EKS, Google GKE, Karpenter, Istio, GitLab CI/CD, GitOps (Flux, Argo CD), Backstage (Internal Developer Platform), Apache Airflow, Amazon EMR, Google Dataproc, Prometheus, Grafana, Loki, Mimir, Thanos, Datadog, Wiz, Vantage / Finout (FinOps), External Secrets Operator / cloud-native secrets managers, IAM, Go, Python, Java, and AI-assisted/agentic engineering tooling (Cursor, Claude Code, Codex).