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JUST ADD AI Interview Questions

The questions to prepare for JUST ADD AI interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
Generative AI & LLMsStart here. 6 questions · ~48 min
Evaluating LLM Success Beyond PerplexityHard

Design an eval framework for LLM quality, safety, usefulness, cost, and latency beyond perplexity.

HallucinationPrompt Injectionsuccess metricsJJUST ADD AI
Vector DB Indexing Trade-offsHard

Explain how HNSW, IVF, PQ, and disk-based indexes trade recall, latency, memory, and build cost at embedding scale.

Vector SearchTrade-offsinference optimizationJJUST ADD AI
Prompts for Chain-of-ThoughtMedium

Evaluates prompt design to elicit reasoning and structured outputs.

JJUST ADD AI
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2
System Design3 questions · ~24 min
Multi-Agent Collaboration ArchitectureHard

Architect a reliable multi-agent system in which specialized agents coordinate to complete one complex task.

agent workflowsmulti-agent systemssystem architectureJJUST ADD AI
Multi-Agent System ChallengesHard

Analyze the main engineering and ML challenges of building reliable multi-agent systems for collaborative tasks.

agent workflowschallengesmulti-agent systemsJJUST ADD AI
Caching Strategy for LLM ServingHard

Design an LLM serving cache that reduces latency and cost without returning stale, unsafe, or incorrect responses.

inference latencyml inferencecost constraintsJJUST ADD AI
3
Behavioral & Leadership4 questions · ~32 min
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4
More topics2 questions · ~16 min
LLM Production Evaluation MetricsHard

Select and justify the evaluation metrics needed to move an LLM from prototype testing to reliable production monitoring.

evaluation metricsMetricsModel MetricsJJUST ADD AI
Embeddings for Heterogeneous DataMedium

Evaluates strategies for multi-type data embeddings in vector search.

Vector SearchJJUST ADD AI

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