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Horizontal GenAI Engineer Interview Questions

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

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1
System DesignStart here. 3 questions · ~24 min
Model Optimization and Compression PipelineHard

Design a practical pipeline combining quantization, distillation, and XLA compilation for low-latency server inference.

gpu hardwareinference latencyModel ServingHHorizontal
Designing a RAG Customer Support BotHard

Design a grounded, secure RAG pipeline for Citi customer support with reliable retrieval, generation, evaluation, and monitoring.

system designfactual groundingdata ingestionHHorizontal
Privacy and Compliance for LLMsHard

Design a compliant architecture for using proprietary Capital One financial data with an LLM.

data securityfinancial dataComplianceHHorizontal
2
Behavioral & Leadership3 questions · ~24 min
Balancing Experimentation and StabilityHard

Tests prioritization and ownership when moving experimental AI code toward reliable production systems.

best practicesAI developmentbalanceHHorizontal
Pivoting With Changing RequirementsMedium

Tests adaptability, prioritization, stakeholder alignment, and ownership when business requirements change mid-project.

technical approachadaptabilityaccountabilityHHorizontal
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3
More topics3 questions · ~24 min
Fine-Tuning vs RAGHard

Compare fine-tuning and RAG for production, including data flow, updates, cost, latency, quality, and safety tradeoffs.

llm basicsRAGarchitectureHHorizontal
Evaluating Generative AI PerformanceHard

Explain a structured approach for evaluating generative AI quality, reliability, safety, and performance.

Evaluation Techniquesmodel performancestrategiesHHorizontal
Hallucination Evaluation StrategiesHard

Compare offline and online LLM evaluation strategies for detecting and reducing hallucinations in financial documentation.

HallucinationRAGLLM EvaluationHHorizontal

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