Xero Data Scientist Interview Questions
The questions to prepare for a Xero Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Design an experiment that accounts for novelty effects and network spillovers before deciding whether to ship.
XeroTests your understanding of power, variance, and practical constraints when planning experiments.
XeroBuild a classifier for a highly imbalanced dataset and choose training and evaluation methods that surface rare positives.
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Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
XeroFind the second-highest distinct transaction amount using a subquery in PostgreSQL without LIMIT.
Capgemini FSSBU
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NPCIUse LEFT JOINs and COUNT DISTINCT to count games with under 10 hours of playtime for each console.
XeroRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoTests your ability to design feedback loops and data-driven iteration for an AI product feature.
XeroTests your ability to write maintainable Python for transforming nested JSON data.
XeroTests your ability to interpret experiment results using both statistical and business-relevant effect sizes.
XeroTests your ability to build diagnostic analytics and drive investigation from signals to causes.
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