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Prep plan
Updated weekly · Last refresh Oct 17

Denali Therapeutics AI Engineer Interview Questions

The questions to prepare for a Denali Therapeutics AI Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 8 questions · ~89 min
Find Two Sum IndicesEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysSortingDenali Therapeutics
Breadth-First Search in PracticeEasy
Practice

Return the breadth-first traversal of an Amaris Consulting dependency graph from a given starting node.

QueueSearchingGraphsDenali Therapeutics
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2
System Design5 questions · ~56 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingDenali Therapeutics
Design Feature Drift Monitoring SystemHard

Design a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.

Feature StoreFeature DriftModel ServingDenali Therapeutics
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3
Machine Learning5 questions · ~56 min
Prevent Overfitting in ML ModelsEasy

Explain how to reduce overfitting using regularization, validation, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationDenali Therapeutics
Handling Missing Values in MLEasy

Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.

Cross-ValidationFeature EngineeringRegularizationDenali Therapeutics
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4
Generative AI & LLMs4 questions · ~44 min
Evaluate LLM Assistant for Biomed ResearchHard

Tests your evaluation design for LLM quality, usefulness, and safety in biomedical workflows.

HallucinationPrompt EngineeringLLM EvaluationDenali Therapeutics
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5
Behavioral & Leadership5 questions · ~56 min
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6
More topics1 question · ~11 min
Model Performance MetricsEasy

Tests your understanding of metric selection aligned to objectives and tradeoffs.

PrecisionAccuracyRecallDenali Therapeutics
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