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Updated weekly · Last refresh Aug 30

Alpaca Data Analyst Interview Questions

The questions to prepare for a Alpaca Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
Behavioral & LeadershipStart here. 7 questions · ~56 min
Influencing Without Direct AuthorityEasy

Tests influence without authority through stakeholder alignment, communication, and ownership in a high-stakes decision.

Influence Without AuthorityStakeholder ManagementCommunicationAlpaca
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2
More topics7 questions · ~56 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAlpaca
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 IndicatorsAlpaca
Prioritize User Problems with DataMedium

Framework for using product data to identify and prioritize the user problem that should be solved first.

Feature PrioritizationUser NeedsPain PointsAlpaca
Handling Missing DataEasy

Tests practical data cleaning decisions and impact on downstream analysis quality.

Data WranglingCase WhenAggregationsAlpaca
Identifying Trends in DataMedium

Tests your approach to exploratory analysis and extracting actionable patterns from data.

ExperimentationRegressionData WranglingAlpaca
SQL for Business InsightsMedium

Tests your SQL proficiency and your ability to turn queries into actionable insights.

JoinsGroup ByAggregationsAlpaca
Analyzing Trends in DataMedium

Tests your exploratory analytics workflow and how you validate trend findings.

Lagging IndicatorsLeading IndicatorsDiagnosisAlpaca

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Join and Daily AggregationEasy
Practice
Practice drill

Aggregate Alpaca filled executions by calendar day using date casting, filtering, grouping, and SUM.

Date FunctionsJoinsAggregationsAlpaca
Rank Users by Cohort ActivityHard
Practice
Practice drill

Rank Alpaca users within signup cohorts by Q1 activity using LEFT JOIN, aggregation, and RANK().

Window FunctionsRankingGroup ByAlpacaQuantifind
Running Totals With CTEsMedium
Practice
Practice drill

Calculate daily net cash movement and running balances for Alpaca brokerage accounts using a CTE, subquery, and window function.

SubqueriesCTEsRunning TotalsAlpacaGoldman Sachs Bank
The finish line: interview-readyComplete all 14 questions plus 3 hands-on drills to finish this plan.