Top 24
Prep plan
Updated weekly · Last refresh Oct 17

XPO GenAI Engineer Interview Questions

The questions to prepare for a XPO GenAI Engineer interview. Questions from real interview reports rank first. Updated daily.

24questions
~3htotal time
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1
System DesignStart here. 7 questions · ~56 min
Design a Low Latency RAG PlatformHard

Design a low latency RAG system over millions of documents, with scalable retrieval, ranking, generation, and production monitoring.

low latencyscalabilityRAG architectureXPO
Optimizing Inference LatencyMedium

Assesses your techniques to reduce inference latency for large-scale models in production.

inference latencyoptimizationXPO
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2
Generative AI & LLMs5 questions · ~40 min
Choose Between RAG and Fine-TuningEasy

Compare RAG and fine-tuning, and decide when each is the better fit for an LLM product.

XPO
Approach LLM Fine-Tuning for TasksMedium

Explain a practical approach to fine-tuning an LLM for a specific task, including data, evaluation, and hallucination risks.

Prompt EngineeringLLM EvaluationFine-TuningXPO
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3
Model Evaluation3 questions · ~24 min
Monitor Production Model PerformanceHard

Approach for monitoring a model in production and spotting drift, threshold issues, and calibration loss.

PrecisionAccuracyRecallXPO
Monitoring Drift in GenAIMedium

Assesses your approach to production monitoring, metrics, and drift detection for GenAI systems.

model performanceXPO
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4
Behavioral & Leadership6 questions · ~48 min
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5
More topics3 questions · ~24 min
Design Real-Time Feature PipelineHard

Design a real-time feature pipeline processing 120K events/sec into low-latency feature tables and warehouse models with replay and quality controls.

InfrastructureStream ProcessingOrchestrationXPO
Privacy for Fine-TuningMedium

Evaluates your privacy and security practices for fine-tuning on sensitive proprietary data.

model fine-tuningdata privacySecurityXPO
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The finish line: interview-readyComplete all 24 questions to finish this plan.