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Guideline Interview Questions

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

50questions
~8htotal time
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1
SQL & Data ManipulationStart here. 11 questions + 2 drills · ~123 min
2
Coding8 questions · ~75 min
Test-Case Driven Function WritingEasy
Practice

Check each Guideline test case by comparing its actual result with the expected result.

coding challengeBasic AlgorithmsArraysGuideline
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3
Execution5 questions · ~47 min
Prioritize Competing Team ProjectsMedium

Decide how to prioritize competing engineering projects when stakeholders, dependencies, and capacity all conflict.

Trade-offsRoadmappingPrioritizationGuideline
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4
Metrics6 questions · ~56 min
Calculate Self-Serve LTV to CACMedium

Define and calculate LTV to CAC for self-serve customers, then interpret what the ratio says about growth efficiency.

CACLTVfinancial metricsGuideline
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5
Strategy5 questions · ~47 min
Marketing Budget Optimization FrameworkMedium

Framework for optimizing marketing budget across channels using unit economics, attribution, and customer value.

EstimationTAM/SAM/SOMGrowth StrategyGuideline
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6
System Design5 questions · ~47 min
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7
More topics10 questions · ~94 min
Landing Page Conversion Test DesignMedium

Design a landing-page A/B test with clear metrics, power, and significance criteria while guarding against common experiment pitfalls.

Statistical SignificanceSample SizeA/B TestingGuideline
Idempotent Event-Driven WorkflowHard

Tests system design for reliable async processing, including idempotency and failure handling.

OrchestrationAutomationIdempotencyGuideline
Payroll Integrations ValueMedium

Tests product sense and your ability to connect integrations to adoption and automation for Guideline.

Value PropositionUse CasesProduct VisionGuideline
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.