Developer
Develop, secure, deploy and troubleshoot applications that use AWS managed services.
Who this path is for
Be comfortable writing and debugging code, calling APIs and using version control.
Study each topic, complete the applied exercise, and keep evidence of what you learned. These are original study milestones, not a claim to reproduce the full exam blueprint. Use the linked AWS exam guide to check all in-scope domains before booking.
Your learning roadmap
01Application building blocks
3 focus areas · applied exercise
Application building blocks
3 focus areas · applied exercise- AWS SDKs
- Lambda events
- API Gateway and DynamoDB
Sketch an authenticated order API and its data access patterns.
Document the API contract and failure responses.
02Application security
3 focus areas · applied exercise
Application security
3 focus areas · applied exercise- Execution roles
- Secrets management
- Encryption
Review the order-worker IAM policy and identify unnecessary privileges.
Explain why a role is preferable to credentials in code.
03Deployment strategy
3 focus areas · applied exercise
Deployment strategy
3 focus areas · applied exercise- Infrastructure as code
- Versions and aliases
- Rollback
Design a release and rollback sequence for a function.
Define a health signal that would trigger rollback.
04Troubleshoot and optimize
3 focus areas · applied exercise
Troubleshoot and optimize
3 focus areas · applied exercise- Logs and traces
- Retries and idempotency
- Performance
Run the order-worker lab and compare a valid message with a failing one.
Trace the failed attempt through logs and dead-letter handling.
Put the learning into practice
Related labs cover selected skills. Completing them does not establish exam readiness.