Deep, hands-on experience with core AWS services - compute and container platforms (EKS/ECR), managed data stores (RDS/PostgreSQL, S3), event-driven messaging (SQS, EventBridge), and identity/security primitives (IAM, IRSA, KMS, Secrets Manager). Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching senior engineers/leads on compliant usage patterns and controls.