AWS services in practice: hands on use of core services (S3, RDS or Aurora, Lambda, ECS, CloudWatch, IAM, API Gateway, SQS or EventBridge) for product work, including reading IAM policies, triaging CloudWatch logs and metrics, and reasoning about cost and scaling implications of service choices. Deployment pipelines on AWS: comfortable extending CI/CD workflows that build, test, and deploy services into AWS environments; able to debug pipeline failures end to end (build, image push to ECR, deploy step, post deploy health checks).