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State Street Interview Questions

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

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1
SQL & Data ManipulationStart here. 5 questions + 1 drill · ~58 min
2
Coding4 questions · ~38 min
Binary Search in Sorted ArrayEasy
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Recently asked

Implement binary search to find a target in a sorted array in O(log n) time.

RecursionMathArraysState Street
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3
Pipelines5 questions · ~48 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityState Street
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4
Execution5 questions · ~48 min
Balancing Speed Quality and ScopeHard

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

Trade-offsRisk AssessmentScope ManagementState Street
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5
Metrics5 questions · ~48 min
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsState Street
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6
Strategy5 questions · ~48 min
Tell Me About YourselfEasy
Recently asked

Tests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.

Competitive AnalysisGo-to-MarketState Street
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7
More topics21 questions · ~202 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentState Street
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 MismatchState Street
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.