Top 20
Prep plan
Updated weekly · Last refresh Oct 17

Zwift Software Engineer Interview Questions

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

20questions
~3htotal time
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1
CodingStart here. 5 questions · ~44 min
Async Closure OutputMedium

Tests your understanding of JavaScript closures, async timing, and variable capture.

javascriptasynchronousZwift
Clean API Data FormattingMedium

Tests practical coding ability for transforming API data into consistent, presentation-ready structures.

ArraysData WranglingStringsZwift
Collision and Distance CalculationsMedium
Practice

Detect intersecting or touching circles by comparing squared center distance with squared combined radius.

bounding boxesBasic AlgorithmsMathZwift
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2
Behavioral & Leadership10 questions · ~89 min
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3
More topics5 questions · ~44 min
Payments System DesignHard

Assesses your system design skills for building a reliable payments architecture.

designZwift
JavaScript Scoping and AsyncMedium

Tests understanding of JavaScript fundamentals and async behavior.

asynchronous workjavascripttechnical experienceZwift
Optimize Network for Low LatencyHard

Tests performance and networking tradeoffs for real-time multiplayer experiences.

network requestsTrade-offsperformanceZwift
Real-Time Telemetry BackendHard

Tests system design skills for high-throughput, low-latency telemetry pipelines at Zwift scale.

Stream ProcessingscalabilitytelemetryZwift
Global Leaderboard Database DesignMedium

Tests data modeling and database design for ranking, updates, and global access patterns.

star schemaperformanceData ModelingZwift

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.