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Prep plan
Updated weekly · Last refresh Oct 17

SCAN Health Plan AI Engineer Interview Questions

The questions to prepare for a SCAN Health Plan AI Engineer interview. Questions from real interview reports rank first. Updated daily.

32questions
~5htotal time
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1
CodingStart here. 4 questions · ~37 min
Writing a Machine Learning FunctionHard
Practice

Use dynamic programming and backpointers to find the most likely hidden-state sequence in a Hidden Markov Model.

RecursionMathArraysSCAN Health Plan
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsSCAN Health Plan
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2
Generative AI & LLMs4 questions · ~37 min
Improve RAG Answer QualityHard

Design and evaluate a RAG assistant over internal policy and delivery docs with strict latency, cost, and hallucination limits.

Prompt EngineeringRAGLLM EvaluationSCAN Health Plan
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3
Machine Learning4 questions · ~37 min
Data Preprocessing for Reliable ModelsEasy

Explain why data preprocessing matters, using a concrete supervised learning example with missing values, outliers, and mixed feature types.

Cross-ValidationFeature EngineeringSupervised LearningSCAN Health Plan
Describe an ML Project You BuiltMedium

Describe a machine learning project, from problem framing and feature work to model training and evaluation.

Cross-ValidationFeature EngineeringSupervised LearningSCAN Health Plan
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4
System Design7 questions · ~64 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingSCAN Health Plan
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5
Behavioral & Leadership11 questions · ~100 min
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6
More topics2 questions · ~18 min
Improve Underperforming Model AccuracyMedium

Approach for diagnosing an underperforming model and improving accuracy through error analysis, feature work, tuning, and bias variance tradeoffs.

Cross-ValidationAccuracyThreshold TuningSCAN Health Plan
Measure AI Model PerformanceEasy

Explain how to evaluate an AI model using the right metrics and how metric choice depends on the business goal.

PrecisionAccuracyRecallSCAN Health Plan
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