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Zapier Interview Questions

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

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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~67 min
2
Coding5 questions · ~47 min
Merge Two Sorted ArraysEasy
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Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersZapier
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3
Product Sense6 questions · ~56 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 NeedsZapier
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4
Metrics6 questions · ~56 min
Define Success for a ProjectEasy

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisZapier
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5
Execution6 questions · ~56 min
Describe a Successful ProjectEasy

Share a concrete project you led, focusing on success criteria, stakeholder alignment, execution, and measurable outcomes.

Success CriteriaRoadmappingRisk AssessmentZapier
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6
A/B Testing & Experimentation3 questions · ~28 min
Primary vs Guardrail MetricsEasy

Explain how a primary metric differs from a guardrail metric and how both are used in A/B test decisions.

ExperimentationGuardrail MetricsA/B TestingZapier
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7
More topics19 questions · ~178 min
Data Quality in ETL PipelinesEasy
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Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityZapier
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffZapier
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