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Updated weekly · Last refresh Aug 30

Wave Software Engineer Interview Questions

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

40questions
~5htotal time
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1
CodingStart here. 14 questions · ~114 min
Spreadsheet Formula EngineHard

Tests ability to implement parsing and expression evaluation with correct data modeling.

parsingBasic AlgorithmsWave
API Turn-Based Game EngineMedium

Tests ability to design stateful APIs with validation and correctness guarantees.

state managementoopWave
Spreadsheet Engine in Python or JSHard

Evaluates your ability to implement spreadsheet functionality in a chosen language and structure the solution.

javascriptpythonWave
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2
System Design9 questions · ~73 min
Offline Mobile Money SyncHard

Tests ability to design resilient sync protocols for offline or unreliable networks in fintech.

network requestsoffline syncWave
Scalable Merchant Payment GatewayHard

Tests ability to architect integrations with unreliable dependencies while maintaining payment reliability.

Wave
Rate Limiting and Fraud DetectionHard

Tests ability to design abuse prevention systems for high-value transaction APIs.

fraud detectionrate limitingWave
Transactional Ledger and Double-SpendHard

Tests ability to design consistent, high-throughput financial transaction processing systems.

Wave
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3
Behavioral & Leadership17 questions · ~139 min
Resolving a Complex Production BugEasy

Tests ownership during production incidents, structured root-cause analysis, and whether the candidate drives durable prevention after the immediate fix.

impactOwnershipDebuggingWave
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