Catalist Interview Questions
The questions to prepare for Catalist interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Reverse a singly linked list in-place using iterative pointer manipulation.
CatalistFind the second highest salary in each department without using aggregate functions.
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Approach for maintaining data quality and integrity across ETL pipelines.
CatalistExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
CatalistInvestigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.
CatalistDescribe an embedded project challenge, how you mitigated risk, managed stakeholders, and made trade-offs to deliver.
CatalistExplain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.
CatalistShare how you used data to shape a business decision, including the analysis, recommendation, and outcome.
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