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Updated weekly · Last refresh Oct 17

ClickUp Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 15 questions · ~131 min
Sort With Time ComplexityMedium
Practice

Sort an integer array in O(n log n) time using merge sort.

MathArraysSortingClickUp
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2
Execution11 questions · ~96 min
Refactor Versus Feature DeliveryHard

Decide when to invest in refactoring versus shipping new features, balancing delivery pressure, technical risk, and stakeholder expectations.

Trade-offsRisk AssessmentScope ManagementClickUp
Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope ManagementClickUp
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3
System Design11 questions · ~96 min
Component Architecture From an ImageHard

Evaluates your ability to translate product context into a coherent technical component architecture.

architectureClickUp
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4
Behavioral & Leadership8 questions · ~70 min
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5
More topics5 questions · ~44 min
Read Server-Side CookiesMedium

Tests your practical understanding of server-side cookie access and handling.

ClickUp
Event-Driven Text Processing SystemHard

Evaluates your ability to design and implement event-driven processing for text workloads.

ClickUp
REST vs GraphQLEasy

Tests API design knowledge and ability to reason about trade-offs for client-server communication.

Stakeholder ManagementCommunicationClickUp
Optimizing a Database QueryMedium

Tests your database tuning skills and ability to improve performance using sound reasoning.

JoinsData WranglingAggregationsClickUp
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Calculate 30-Day User RetentionHard
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsCurefitIndeedTikTok
Database Indexing Trade-offsHard
Practice
Practice drill

Compare PostgreSQL index strategies by read latency, write overhead, storage size, and an overall cost score.

Trade-offsdatabase optimizationdatabase managementHHostinger InternationalPPorch GroupCapital Technology Group
Database Indexing Trade-OffsHard
Practice
Practice drill

Analyze a food-order total query and explain index trade-offs for filtering, joins, aggregation, and write overhead.

Trade-offsdatabase optimizationJoinsHelloFresh
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.