✓Multi-tenant SaaS infrastructure
✓Serverless applications (Lambda, API Gateway, DynamoDB)
✓Container-based systems (ECS, Fargate, EKS)
✓Data platforms (RDS, Aurora, Redshift, S3)
✓Authentication systems (Cognito)
✓Real-time architectures (EventBridge, SQS, SNS)
✓CI/CD pipelines (CodePipeline, CodeBuild)
✓Monitoring and observability (CloudWatch, X-Ray)