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Basis Research Institute Interview Questions

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

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1
CodingStart here. 7 questions · ~66 min
2
Machine Learning8 questions · ~76 min
3
System Design7 questions · ~66 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingBasis Research Institute
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4
Execution4 questions · ~38 min
Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope ManagementBasis Research Institute
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5
Model Evaluation6 questions · ~57 min
Choosing Classification Evaluation MetricsEasy

Explain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.

PrecisionAccuracyRecallBasis Research Institute
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6
Generative AI & LLMs7 questions · ~66 min
Reduce Hallucinations in LLM AnswersEasy

Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.

HallucinationPrompt EngineeringRAGBasis Research Institute
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7
More topics11 questions · ~104 min
Design Real-Time Operations Dashboard PipelineHard

Design a pipeline for a real-time operational dashboard, covering streaming ingestion, modeling, data quality, and dashboard serving.

InfrastructureStream ProcessingQualityBasis Research Institute
Process vs ThreadEasy

Tests foundational OS concepts and how concurrency is structured.

technicalprocesstechnical experienceBasis Research Institute
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.