Database

Configure and integrate AWS Cognito user pools and identity pools for authentication

Design and implement advanced DynamoDB patterns including single-table design, global

Build and optimize AWS Lambda functions with proper handler patterns, layer management,

Implement advanced AWS S3 patterns including presigned URLs for secure direct uploads,

Build Azure Functions with input/output bindings, trigger types, and Durable Functions

Develop Google Cloud Functions with HTTP and event-driven triggers, including Pub/Sub,

Deploy and manage containerized services on Google Cloud Run with proper concurrency

Implement Google Cloud Pub/Sub messaging with topic and subscription management, push