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the LEGO Group Interview Questions

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

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1
SQL & Data ManipulationStart here. 7 questions · ~67 min
2
Metrics7 questions · ~67 min
Using Metrics to Drive DecisionsEasy

Explain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.

Funnel AnalysisKPIsLeading Indicatorsthe LEGO Group
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3
Execution7 questions · ~67 min
Balancing Speed Quality and ScopeHard
Recently asked

Describe a time you had to choose between speed, quality, and scope, and how you aligned stakeholders around the trade-off.

Trade-offsRisk AssessmentScope Managementthe LEGO Group
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4
Product Sense7 questions · ~67 min
Approach User Research in DesignEasy

Explain a practical approach to user research in the design process, from understanding user needs to turning findings into design decisions.

Jobs to Be DoneUser ResearchUser Needsthe LEGO Group
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5
Strategy5 questions · ~48 min
Tell Me About YourselfEasy

Craft a concise self-introduction that highlights fit, communication style, and relevance for an Account Executive role.

brand cultureBusiness AcumenCompetitive Analysisthe LEGO Group
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6
Pipelines7 questions · ~67 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualitythe LEGO Group
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7
More topics10 questions · ~96 min
SQL Injection Detection FunctionHard
Practice

Detect obfuscated injection signatures in Quotient request payloads using normalization and Aho-Corasick multi-pattern matching.

Hash TablesArraysStringsthe LEGO Group
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio Mismatchthe LEGO Group
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