What happens during on-call for a junior engineer?

On-call for juniors

For What happens during on-call for a junior engineer, interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.

• Alert fires → triage severity
• Mitigate (rollback, scale) before root cause
• Escalate with timeline and impact
• Post-incident write-up blameless