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Revelio Labs Interview Questions

The questions to prepare for Revelio Labs interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~55 min
Top Industries by TurnoverMedium
Practice

Write a SQL query to identify the top three industries with the highest employee turnover rate over the last calendar year at Revelio Labs. Use the provid...

Date FunctionsRankingCTEsRevelio Labs
Clean Public Resume DataMedium

Tests data cleaning and normalization approaches for noisy labor market data.

null handlingData Wranglingdata integrityRevelio Labs
Join Job and Financial DataEasy

Tests understanding of SQL joins and ability to apply them to real data integration tasks.

Joinsfinancial datamany-to-oneRevelio Labs
Optimize Slow Database QueriesHard

Tests query optimization skills and performance thinking for large-scale labor market datasets.

Performance TuningindexessqlRevelio Labs
Top 5 Users Per CategoryMedium
Practice
Practice drill

Identify the five most active users in each category using aggregation and row numbering.

JoinsRankingData AnalysisEEulidiaAAnheuser-Busch InBevAArete
SQL Detect Duplicate Clickstream EventsMedium
Practice
Practice drill

Identify sessions with duplicate events and return the earliest timestamp across each affected session.

data cleaningnull handlingData WranglingLinkedIn
2
Behavioral & Leadership8 questions · ~70 min
Backend Analysis for a Research PaperMedium

Tests end-to-end analysis planning, data modeling, and reproducible workflow design.

technical writingsolution designRevelio Labs
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3
More topics3 questions · ~26 min
Remote Work Metrics SelectionMedium

Tests metric selection and data-to-story mapping for labor market research communications.

Metricsremote workdashboardingRevelio Labs
Validate Hiring SpikesMedium

Tests statistical reasoning and investigation design to distinguish signal from noise.

root causeMarket TrendsRevelio Labs
Outline an AI Hiring NewsletterMedium

Tests ability to translate analysis into a structured research narrative for a newsletter audience.

User Needscontent managementartificial intelligenceRevelio Labs

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