Cloud platforms (AWS, Azure, Google Cloud) · Intermediate · 6 h

Serverless and managed services

Event-driven Lambda functions, least-privilege roles, and the same patterns on Azure and Google Cloud.

Why employers care: Teams build on managed services to move fast. Interviews test whether you can wire them together securely.

In the roadmaps for: Data Engineer, AI/ML Engineer, Forward Deployed Engineer, Software Engineer (Backend), DevOps / Platform Engineer, Cloud and Network Engineer, Cybersecurity Engineer

Lessons, in order

An event-driven function with a least-privilege roleA Lambda function that reacts to new files in S3, its IAM policy scoped to exactly what it needs, and a test that runs offline.4 min

Next shelf: Reliability, security and cost