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Prep plan
Updated weekly · Last refresh Oct 17

Wave Software Engineer Interview Questions

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

32questions
~5htotal time
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1
CodingStart here. 11 questions · ~113 min
Spreadsheet Formula EngineHard
Practice

Build a spreadsheet interpreter using recursive expression parsing, cell references, dependency evaluation, and cycle detection.

parsingBasic AlgorithmsData StructuresWave
Balancing Tradeoffs Under DeadlineHard
Practice

Use dynamic programming to select the highest-value feature set under a time budget, with clarity as a tie-breaker.

clean codeDynamic ProgrammingAlgorithmsWave
Spreadsheet Engine in Python or JSHard

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

javascriptpythonWave
Tick-Tac-Toe Next-Move APIMedium

Assesses algorithmic thinking and API design for a game strategy problem.

Wave
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2
System Design6 questions · ~62 min
Offline Mobile Money SyncHard

Design a secure Wave protocol for authorizing, storing, and reconciling mobile money transactions without reliable connectivity.

network requestsmobile architecturedistributed systemsWave
Scalable Merchant Payment GatewayHard

Design Wave's payment gateway with intelligent bank routing, idempotency, and graceful recovery from third-party downtime.

backend integrationapi gatewayfailure modesWave
Design a Chat ApplicationHard

Evaluates system design skills for real-time messaging at scale.

designWave
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3
Behavioral & Leadership15 questions · ~154 min
Owning a Production Outage ResponseMedium

Tests ownership during an AWS production outage, including diagnosis, escalation, communication, and post-incident improvement.

resilienceProblem SolvingOwnershipWave
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The finish line: interview-readyComplete all 32 questions to finish this plan.