dunnhumby Site Reliability Engineer Interview Questions

Explain your approach to rolling updates, canary releases, and zero-downtime deployments with clear rollback criteria and stakeholder alignment.

canary releaseszero downtimerolling updatesdunnhumby

Tests end-to-end reliability troubleshooting and incident resolution in production.

production environmentdunnhumby

Tests observability practices for latency SLOs, alerting, and actionable signals.

monitoringalertingperformancedunnhumby

Tests your understanding of reliability tradeoffs across architectural styles.

architecturemicroservicesdunnhumby

Evaluates diagnostic approach and mitigation strategies for database performance issues.

databaseTroubleshootingdunnhumby

Tests ownership and prioritization in automating repetitive systems work, including how the candidate chose an approach and measured impact.

Automationsystem administrationscriptingdunnhumby