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Updated weekly · Last refresh Aug 30

Klook Software Engineer Interview Questions

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

18questions
~3htotal time
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1
System DesignStart here. 5 questions · ~42 min
High Availability During UpdatesMedium

Tests designing resilient release strategies with minimal downtime and safe rollback.

high availabilityKlook
Distributed Booking Without OverbookingHard

Tests distributed consistency, concurrency control, and correctness under high demand.

system designbooking systemdistributed systemsKlook
High-Throughput Notification ServiceHard

Tests event-driven design, throughput planning, and reliability for large-scale messaging.

system designscalabilityKlook
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2
Coding6 questions · ~50 min
Concurrent Inventory LockingHard

Tests concurrency control and algorithmic correctness for inventory under extreme contention.

inventory managementconcurrencyKlook
Fix Memory Leaks Under LoadMedium

Tests profiling, root-cause analysis, and safe performance improvements under production-like load.

performanceKlook
Sorting Trade-offs in Distributed SystemsMedium

Tests distributed systems understanding of performance, memory, and communication costs.

performancedistributed systemsKlook
Advanced Graph or DP ProblemHard

Tests ability to reason through complex algorithms and implement efficiently.

Dynamic ProgrammingKlook
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3
Behavioral & Leadership7 questions · ~58 min
Recovering a Project in TroubleEasy

Tests ownership under pressure, technical problem-solving, and cross-functional collaboration when a project encounters a major obstacle.

challengeProblem SolvingstarKlook
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The finish line: interview-readyComplete all 18 questions to finish this plan.