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Direct Supply Interview Questions

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

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1
CodingStart here. 6 questions · ~51 min
2
Execution6 questions · ~51 min
Choose Agile vs WaterfallMedium

Explain Agile vs Waterfall and how to choose the right delivery model based on scope, risk, and planning needs.

Trade-offsSuccess CriteriaScope ManagementDirect Supply
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3
Metrics6 questions · ~51 min
Define Success for a ProjectEasy

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisDirect Supply
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4
Product Sense6 questions · ~51 min
Align Product With User NeedsMedium

A framework for connecting user needs to business goals, then making product decisions with clear trade-offs and measurable outcomes.

User NeedsValue PropositionProduct VisionDirect Supply
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5
System Design6 questions · ~51 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingDirect Supply
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6
Machine Learning3 questions · ~26 min
Bagging vs Boosting ExplainedMedium

Explain how bagging and boosting differ, and identify a representative algorithm for each ensemble method.

Ensemble Methodsmodel trainingSupervised LearningDirect Supply
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7
More topics17 questions · ~145 min
Significance of A/B TestingEasy

Explain why A/B testing matters in marketing analytics and how it supports causal, metric-driven campaign decisions.

ExperimentationGuardrail MetricsA/B TestingDirect Supply
Salary ExpectationsEasy

Tests compensation alignment for the Research Scientist role.

EstimationPricing StrategyDirect Supply
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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.