public interview · DevOops 2023
Public Troubleshooting Interview at DevOops 2023
September 5, 2023 · DevOops 2023
A public SRE interview from DevOops 2023: on stage, the candidate leads an incident investigation in the Yellow system, where payment volume suddenly drops. Below are the interview focus, the full recording, and the walkthrough.
Participants
Alexander Polomodov · interviewer
Salikh Fakhrutdinov · interviewee · Senior SRE · Tinkoff Origination Platform
Interview focus
- 01How do you quickly align on the Yellow architecture and payment flow?
- 02How do you narrow the incident across clients, authorization, configuration, backend, and data?
- 03Which questions and metrics separate a hypothesis from a random guess?
- 04How should a Lead engineer guide a Junior through the investigation while keeping user impact in view?
- 05Where is the boundary between mitigation, root cause, and follow-up after the incident?