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Acquco Interview Questions

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

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1
CodingStart here. 7 questions · ~59 min
Longest Subarray With Target SumMedium
Practice

Use prefix sums and a hash table to find the longest continuous subarray with a given sum in O(n) time.

Hash TablesArraysSearchingAcquco
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2
SQL & Data Manipulation10 questions + 3 drills · ~114 min
Optimizing Large Transaction Table JoinsHard

Explain how to tune a slow PostgreSQL query that joins several large transaction tables using indexes, join strategy, and partitioning.

JoinsperformancesqlAcquco
Find Duplicate Rows QueryEasy
Practice
Practice drill

Identify duplicate Dover India asset records using GROUP BY and HAVING, excluding the unique record identifier.

Data WranglingsqlAggregationsDover IndiaDataAnnotation
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Weekly Service KPI by TeamMedium
Practice
Practice drill

Analyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.

KPIJoinssqlDeloitteReputation
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3
Execution6 questions · ~50 min
Balance Speed and ReliabilityHard

Explain how you keep software delivery fast while protecting reliability through clear quality bars, risk-based trade-offs, and rollback readiness.

Trade-offsRisk AssessmentQualityAcquco
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4
Behavioral & Leadership15 questions · ~126 min
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5
More topics6 questions · ~50 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAcquco
Tell Me About YourselfEasy

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

Competitive AnalysisGo-to-MarketAcquco
Building a Forecasting ModelHard

Tests end-to-end forecasting methodology, feature thinking, and validation for business-critical decisions.

ForecastingRegressionTime SeriesAcquco
Motivation for AcqucoEasy

Tests motivation and alignment with Acquco's mission of helping Amazon FBA sellers exit quickly.

User NeedsValue PropositionProduct VisionAcquco
String and Algorithm PracticeMedium

Assesses problem-solving strategy for string manipulation and foundational algorithms.

AlgorithmsawsAcquco
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The finish line: interview-readyComplete all 44 questions plus 3 hands-on drills to finish this plan.