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Scalefree Interview Questions

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

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1
CodingStart here. 1 question · ~10 min
2
Generative AI & LLMs2 questions · ~19 min
RAG to Reduce HallucinationsHard

Design a high-throughput RAG pipeline that grounds answers, detects unsupported claims, and balances quality, latency, and cost.

Vector SearchHallucinationRAGSScalefree
RAG and Retriever PipelineHard

Explain RAG and implement a retrieval pipeline that grounds LLM answers in relevant document chunks.

Vector SearchHallucinationRAGSScalefree

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3
Model Evaluation1 question · ~10 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 MetricsSScalefree
4
System Design2 questions · ~19 min
LLM Serving for High LatencyHard

Design an LLM serving architecture that manages long generation latency, GPU efficiency, reliability, and model quality.

gpu hardwareinference latencyModel ServingSScalefree
Multi-Agent System ChallengesHard

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

agent workflowschallengesmulti-agent systemsSScalefree
5
NLP2 questions · ~19 min
Handling Context Window LimitsHard

Design a token-aware, hierarchical document processing pipeline that preserves global context despite language-model context limits.

Language Modelscontext windowsoftware engineeringSScalefree
Embeddings and Vector SearchHard

Design an embedding and vector search approach for personalized New York Life recommendations.

Vector SearchMachine LearningWord EmbeddingsSScalefree
6
Behavioral & Leadership2 questions · ~19 min
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