Top 48
Prep plan
Updated weekly · Last refresh Oct 17

Guidewire Data Scientist Interview Questions

The questions to prepare for a Guidewire Data Scientist interview. Questions from real interview reports rank first. Updated daily.

48questions
~7htotal time
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1
Machine LearningStart here. 15 questions · ~126 min
Random Forest vs Gradient BoostingMedium

Evaluates your ability to compare ensemble methods and justify model selection.

Guidewire
Supervised vs Unsupervised LearningEasy

Explain how you have used supervised and unsupervised learning, and how you evaluate each in practice.

Cross-ValidationUnsupervised LearningSupervised LearningGuidewire
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2
Model Evaluation12 questions · ~101 min
Compare Models With Cross-ValidationMedium

Compare two models using cross-validation and decide whether the performance gap is meaningful.

Cross-ValidationLog LossAUC-ROCGuidewire
Explain Cross-Validation in Model SelectionEasy

Explain what cross-validation is and why it matters when choosing between models.

Cross-ValidationAccuracyThreshold TuningGuidewire
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3
Statistics & Probability18 questions · ~152 min
Power Analysis for Experiment PlanningMedium

Reason about power analysis when planning an experiment and choosing sample size.

ExperimentationPower AnalysisSample SizeGuidewire
Sample Size and Power PlanningMedium

Reason about sample size, power, and minimum detectable effect before launching an experiment.

Hypothesis TestingPower AnalysisSample SizeGuidewire
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4
More topics3 questions · ~25 min
Handling Missing DataMedium
Practice

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningGuidewire
Role of a Guidewire Data ScientistEasy

Tests your understanding of the role scope and how it delivers value on Guidewire.

Value PropositionUse CasesProduct VisionGuidewire
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 48 questions plus 2 hands-on drills to finish this plan.