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Select Minds Interview Questions

The questions to prepare for Select Minds interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
ExecutionStart here. 9 questions · ~72 min
Quality Under Tight DeadlineMedium

Explain how you protect quality on a fixed-deadline engineering project by managing scope, risks, and release criteria.

Launch PlanningTrade-offsScope ManagementSelect Minds
Decide What to AutomateEasy

Explain how you decide which tests to automate versus keep manual, balancing risk, cost, and long-term maintenance.

Trade-offsRisk AssessmentScope ManagementSelect Minds
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2
System Design3 questions · ~24 min
Design Feature Drift Monitoring SystemHard

Design a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.

Feature StoreFeature DriftModel ServingSelect Minds
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3
Pipelines17 questions · ~136 min
Batch vs Streaming Data ProcessingEasy

Compare batch and streaming data processing, including when each fits best in a pipeline.

Stream ProcessingETLBatch ProcessingSelect Minds
Production Pipeline Quality MonitoringMedium

Approach for adding data quality checks, observability, and production monitoring to a data pipeline.

Data QualitymonitoringobservabilitySelect Minds
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4
Generative AI & LLMs12 questions · ~96 min
Explain Vector Search in RAGMedium

Design a grounded document Q&A system and explain how vector search improves retrieval quality, latency, and hallucination control in RAG.

Vector SearchPrompt EngineeringRAGSelect Minds
State Management for Long Running AgentsHard

Explain how to manage memory, summarization, retrieval, and safety in a long-running LLM agent when context exceeds the model window.

long contextcontext windowstate managementSelect Minds
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5
Behavioral & Leadership7 questions · ~56 min
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6
More topics2 questions · ~16 min
High-Concurrency Query OptimizationHard

Tests your ability to improve database performance and reliability under heavy load.

Performance TuningperformanceindexesSelect Minds
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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.