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City And County Of San Francisco AI Engineer Interview Questions

The questions to prepare for a City And County Of San Francisco AI Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
Machine LearningStart here. 3 questions · ~27 min
Prevent Overfitting in ML ModelsEasy

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

Cross-ValidationBias-Variance TradeoffRegularizationCity And County Of San Francisco
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffCity And County Of San Francisco
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2
System Design3 questions · ~27 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingCity And County Of San Francisco
Design a Resident Recommendations SystemMedium

Design a recommendation and ranking system for a property management platform that personalizes listings and workflow suggestions.

Feature StoreRetrievalModel ServingCity And County Of San Francisco
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3
Behavioral & Leadership5 questions · ~45 min
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4
More topics5 questions · ~45 min
Binary Tree Level Order TraversalEasy
Practice

Traverse a binary tree level by level using a queue-based breadth-first search.

QueueTreesCity And County Of San Francisco
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 EvaluationCity And County Of San Francisco
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityCity And County Of San Francisco
Choose the Right Classification MetricMedium

Explain when to use precision, recall, F1, or ROC-AUC for a classification model.

PrecisionAUC-ROCRecallCity And County Of San Francisco
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