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Prep plan
Updated weekly · Last refresh Oct 17

ServiceNow Backend Engineer Interview Questions

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

9questions
~1htotal time
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1
System DesignStart here. 3 questions · ~24 min
Architecting a Scalable BackendHard

Evaluates your system design thinking for scalability, reliability, and maintainability.

scalabilityarchitectureServiceNow
API Design Best PracticesMedium

Tests your ability to design robust, maintainable APIs for backend services.

best practicesServiceNow
Reliability and Performance of ServicesMedium

Tests your practices for building dependable, high-performing backend systems.

performanceServiceNow
2
Behavioral & Leadership5 questions · ~40 min
Responding to Critical FeedbackEasy
Recently asked

Tests how you receive criticism, regulate defensiveness, act on feedback, and turn it into measurable improvement.

resiliencefeedbackcoachabilityServiceNow
Career Change FrequencyMedium

Evaluates your career motivations and decision-making consistency.

ServiceNow
Background And Departure ReasonsMedium

Evaluates your background narrative and the reasons behind your job transitions.

ServiceNow
Complex Problem Solving ImpactMedium

Tests your problem-solving process and your ability to deliver outcomes with measurable impact.

CommunicationOwnershipPrioritizationServiceNow
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3
More topics1 question · ~8 min
Database Management and OptimizationMedium

Assesses your skills in improving database performance and operational reliability.

database managementquery optimizationdata integrityServiceNow

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Anti-Join Without EXCEPTMedium
Practice
Recently asked
Practice drill

Identify source records absent from a target table using an anti-join pattern instead of EXCEPT.

JoinsData ManipulationsqlServiceNow
Optimizing Poorly Performing SQLHard
Practice
Practice drill

Optimize a PostgreSQL reporting query by reducing scanned rows, preserving unmatched records, and selecting the latest related review efficiently.

database optimizationlarge datasetsperformancePPriority Technology Holdings, LLCZillowOne
Optimize SQL QueriesMedium
Practice
Practice drill

Optimize a PostgreSQL aggregation query by filtering early, reducing rows before joins, and returning qualifying active customers.

database optimizationperformanceindexesSofteamSSoftware Medical InformaticsGlassdoor
The finish line: interview-readyComplete all 9 questions plus 3 hands-on drills to finish this plan.