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Karat Interview Questions

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

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1
CodingStart here. 28 questions · ~276 min
O(1) Insert Delete Random SetEasy
Practice
Recently asked

Implement a set-like structure using an array and hash map to support insert, delete, and random access in average O(1) time.

Hash TablesArraysData StructuresKarat
Path Existence in 2D GridEasy
Practice

Use BFS to determine whether a four-directional path connects two open cells in a blocked grid.

Karat
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2
Execution4 questions · ~39 min
Rate-Limiting API DesignMedium
Recently asked

Tests API design, correctness, and practical handling of throttling behavior.

Trade-offsSuccess Criteriaapi designKarat
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3
System Design5 questions · ~49 min
Diagnosing Slow Component CodeMedium

Assesses your ability to analyze frontend code and pinpoint performance regressions.

reactKarat
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4
Behavioral & Leadership8 questions · ~79 min
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5
More topics5 questions · ~49 min
Real-Time Code Execution ScaleHard
Recently asked

Tests system design for scalable execution pipelines and reliable test validation under load.

InfrastructureToolsQualityKarat
Design a Camera AppHard

Evaluates product sense, requirements definition, and prioritization for a consumer app experience.

designKarat
Context Switching and OS ModesMedium

Evaluates your foundational understanding of operating system concepts relevant to software performance and behavior.

Operating SystemsKarat
High-Availability Notification SystemHard
Recently asked

Tests distributed systems design with retries, reliability, and multi-channel delivery.

AutomationDependenciesQualityKarat
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