Zest AI Interview Questions
The questions to prepare for Zest AI interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.
Zest AICompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Zest AIAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreMerge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.
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Approach for maintaining data quality and integrity across ETL pipelines.
Zest AIExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
Zest AIExplain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.
Zest AIExplain how you handle team conflict while keeping delivery on track and maintaining trust across stakeholders.
Zest AIUse customer feedback to identify the biggest pain points in the user journey.
Zest AIExplain what a p-value means in hypothesis testing and how it relates to statistical significance.
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