Zest AI interview questions

Showing 1–3 of 3 results

• Build a fair loan classifierHard

  This question evaluates competency in supervised classification and credit risk modeling, covering data exploration and preparation, model selection, evaluation metrics, threshold setting, fairness and regulatory considerations, interpretability, validation, and monitoring.

  Zest AIData ScientistMachine LearningOnsite
• Compute tree depth and meeting roomsHard

  This question evaluates skills in tree traversal and recursion for computing maximum depth of a binary tree, alongside interval scheduling and resource allocation for determining the minimum number of meeting rooms, testing reasoning about data structures such as trees and interval endpoints.

  Zest AIData ScientistCoding & AlgorithmsOnsite
• Diagnose overfitting from error curvesHard

  This question evaluates the ability to recognize and diagnose model generalization problems—specifically overfitting—by interpreting training, validation, and test error curves and understanding validation procedures and sources of variance.

  Zest AIData ScientistMachine LearningOnsite