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ETS Interview Questions

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

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 1 drill · ~64 min
2
Coding6 questions · ~54 min
Array Sorting ImplementationEasy
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Sort Airbus Americas Customer Services part numbers numerically using a comparison-based algorithm and explain its time and space trade-offs.

ArraysSortingProgrammingETS
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3
Pipelines6 questions · ~54 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityETS
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4
Execution6 questions · ~54 min
Recover a Slipping ProjectMedium

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentETS
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5
Finance & Accounting3 questions · ~27 min
Month-End Close ProcessHard

Explain a controlled month-end close, including reconciliations, accruals, variance analysis, review, and GAAP financial statement completion.

Accounting FundamentalsFinancial Statementsfinancial processesETS
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6
Technical Fundamentals4 questions · ~36 min
Functional vs Non-Functional TestingEasy

Tests your ability to classify testing types and align them to product quality goals.

ETS
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7
More topics19 questions · ~170 min
Validity and Reliability of FindingsEasy

Explain how you would establish that research findings are trustworthy, repeatable, and suitable for decision-making.

Cross-ValidationCalibrationAccuracyETS
Motivating Team MembersEasy

Tests your leadership approach to motivating and aligning teams in a consulting context.

User NeedsValue PropositionETS
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.