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Updated weekly · Last refresh Oct 17

Pagerduty Software Engineer Interview Questions

The questions to prepare for a Pagerduty Software Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~9htotal time
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1
CodingStart here. 22 questions · ~231 min
Brace Matching CodingEasy
Practice

Use a stack to determine whether brackets in a PagerDuty Event Orchestration expression are properly matched and nested.

validationPagerduty
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2
Execution5 questions · ~52 min
Migrate Monolith to MicroservicesHard

Plan a zero-downtime migration from a legacy monolith to microservices while managing risk, sequencing, and stakeholder pressure.

Trade-offsRoadmappingRisk AssessmentPagerduty
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3
System Design3 questions · ~31 min
Develop MVP With Live FeaturesMedium

Assesses your ability to build an MVP and evolve it through iterative requirements.

behavioralProject ManagementimplementationPagerduty
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4
Behavioral & Leadership14 questions · ~147 min
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5
More topics6 questions · ~63 min
Diagnose High Latency on LinuxMedium

Tests troubleshooting methodology and practical command-line diagnostic skills.

linux tuningProblem Solvingtechnical experiencePagerduty
System Design WalkthroughMedium

Evaluates your ability to explain system design tradeoffs and architecture decisions.

system designbehavioralPagerduty
SQL for Active IncidentsMedium
Practice

Count active PagerDuty incidents by qualifying region using multi-table joins and aggregations.

JoinsCTEsGroup ByPagerduty
Verify Memcached StatsMedium

Tests your practical caching setup knowledge and ability to validate operational health.

cachingcli commandstechnical knowledgePagerduty
Real-Time Metrics Data PipelineHard

Tests your ability to design ingestion, aggregation, and storage for real-time operational analytics.

Stream ProcessingmonitoringAggregationsPagerduty
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL TTR by TeamMedium
Practice
Practice drill

Calculate average time to resolve high-severity incidents for each team using timestamp arithmetic and aggregation.

Date FunctionsGroup ByAggregationsPagerduty
MQL to SQL Conversion SQLMedium
Practice
Practice drill

Calculate monthly MQL-to-SQL conversion rates and month-over-month percentage-point changes for PagerDuty leads.

Window FunctionsLag/LeadDate FunctionsPagerduty
The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.