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Clouddevs Interview Questions

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

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1
CodingStart here. 16 questions · ~140 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersClouddevs
Merge Two Sorted ArraysEasy
Practice

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersClouddevs
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2
Product Sense6 questions · ~52 min
Balance User Needs and GoalsMedium

Explain how you balanced user needs with business goals in a product decision, including trade-offs and outcomes.

Feature PrioritizationUser NeedsValue PropositionClouddevs
Approach New Feature DesignMedium

A structured approach for designing a new feature in an existing product, from user need to MVP and success criteria.

Feature PrioritizationUser NeedsUse CasesClouddevs
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3
A/B Testing & Experimentation8 questions · ~70 min
Diagnose Sample Ratio MismatchHard

Investigate sample ratio mismatch and decide whether an experiment readout is trustworthy enough to ship.

Guardrail MetricsSample Ratio MismatchA/B TestingClouddevs
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4
Generative AI & LLMs6 questions · ~52 min
Reduce Hallucinations in LLM AnswersEasy

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

HallucinationPrompt EngineeringRAGClouddevs
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5
Metrics3 questions · ~26 min
Improve Checkout Conversion MetricsHard

Define the checkout metrics to watch and use funnel diagnosis to find where conversion is leaking.

Funnel AnalysisConversion RateA/B TestingClouddevs
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6
Execution5 questions · ~44 min
Accessible, Scalable DesignMedium

Tests your accessibility practices and how you design for maintainability and iteration.

accessibilityscalabilityClouddevs
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7
More topics6 questions · ~52 min
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