Top 13
Prep plan
Updated weekly · Last refresh Oct 17
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Firmus Consulting AI Engineer Interview Questions

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

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1
Generative AI & LLMsStart here. 3 questions · ~28 min
Designing a RAG PipelineHard

Design and evaluate a secure, grounded RAG pipeline for a Delta Air Lines AI application.

Hallucinationpipeline designPrompt InjectionFFirmus Consulting
End-to-End Production RAG PipelineHard

Explain an end-to-end production RAG pipeline, including retrieval quality, grounding, safety, evaluation, latency, and cost tradeoffs.

Vector SearchHallucinationPrompt EngineeringFFirmus Consulting
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2
System Design3 questions · ~28 min
High-Concurrency LLM ServingHard

Design a low-latency, high-concurrency LLM serving layer with effective prompt, response, and KV-cache strategies.

high-frequency requestsinference latencyml inferenceFFirmus Consulting
Design State for Multi-Agent SystemsHard

Design state management for a multi-agent application where agents coordinate over long-running tasks, tool calls, and handoffs.

challengesmulti-agent systemsstate managementFFirmus Consulting
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3
Behavioral & Leadership3 questions · ~28 min
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4
More topics4 questions · ~37 min
Cosine Similarity From ScratchMedium
Practice

Compute cosine similarity for equal-length high-dimensional vectors using dot products and Euclidean norms.

function implementationArraysArray ManipulationFFirmus Consulting
Evaluating Generative AI in ProductionHard

Design a practical evaluation framework for a generative AI model deployed in a real-world Nscale application.

performance evaluationevaluation metricsModel EvaluationFFirmus Consulting
Embeddings for RecommendationsHard

Design an embedding and vector search pipeline for personalized Amex cardmember recommendations.

Vector SearchMachine LearningWord EmbeddingsFFirmus Consulting
Real Time Drift Monitoring DesignMedium

Design a real time monitoring and alerting approach for feature drift, model degradation, and noisy metric movement in production.

CalibrationAUC-ROCThreshold TuningFFirmus Consulting

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