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BBG Interview Questions

The questions to prepare for BBG interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 6 questions · ~50 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersBBG
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2
Execution10 questions · ~84 min
Resolve Conflicting Stakeholder PrioritiesMedium

Explain how you align stakeholders with competing priorities, make trade-offs explicit, and keep execution on track.

Trade-offsRisk AssessmentScope ManagementBBG
Adapting to Changing RequirementsEasy

Describe how you adapted when project requirements or the expected format changed midstream.

Trade-offsRisk AssessmentScope ManagementBBG
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3
Strategy10 questions · ~84 min
Staying Current on Industry TrendsEasy

A practical approach for tracking industry trends, competitor moves, and market changes in a way that informs strategy decisions.

EstimationCompetitive AnalysisGrowth StrategyBBG
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4
Metrics9 questions · ~75 min
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisBBG
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5
Product Sense9 questions · ~75 min
Uncover Client Needs in DiscoveryMedium

Approach for discovering the real client need behind a stated product request.

Jobs to Be DoneUser ResearchUser NeedsBBG
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6
Pipelines3 questions · ~25 min
Ensure Data IntegrityMedium

Tests your understanding of validation, consistency, integrity constraints, and failure-mode handling.

IdempotencyData ModelingQualityBBG
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7
More topics3 questions · ~25 min
Optimize Database Query PerformanceMedium

Tests your ability to diagnose and improve SQL query performance using indexing, query plans, and execution strategies.

indexingJoinsAggregationsBBG
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.