Debugging

Understands the basics of debugging and the tools used for it.

Uses a systematic approach to debug issues located within a single service.

Proficient at using systematic debugging to diagnose all issues located to a single service. Uses systematic debugging to diagnose cross service issues, sometimes with help from more senior engineers.

Proficient at using systematic debugging to diagnose all issues within the scope of their domain.

Proficient at using systematic debugging to diagnose all issues within a set of related domains.

Leads incident response across the engineering organization as needed. Uses systematic debugging to diagnose issues across the organization.