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Prep plan
Updated weekly · Last refresh Oct 17

Known Software Engineer Interview Questions

The questions to prepare for a Known Software Engineer interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
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1
CodingStart here. 4 questions · ~36 min
Building a Data Extraction BackendMedium

Assesses your skills designing and implementing a small REST backend for database-backed data extraction.

rest apisKnown
Optimized Algorithm for Data ManipulationMedium

Tests your algorithmic thinking, correctness, and performance under edge cases and scale.

Data WranglingAlgorithmsedge casesKnown
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2
Execution4 questions · ~36 min
Backend for Marketing AutomationHard

Tests your backend architecture and reliability planning for Known marketing automation.

high availabilityfault toleranceKnown
Schema Design for Writes and AnalyticsHard

Tests your data modeling tradeoffs for mixed OLTP and analytics workloads at Known.

Known
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3
Software Architecture4 questions · ~36 min
Async Fetching and Error BoundariesMedium

Tests your approach to resilience and data loading patterns in Known SPAs.

error handlingasynchronous workKnown
Component Lifecycle and Custom HooksMedium

Tests your React fundamentals and ability to build reusable hook-based abstractions.

reacttechnical experienceKnown
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4
Behavioral & Leadership5 questions · ~46 min
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5
More topics2 questions · ~18 min
Optimizing React Real-Time RenderingHard

Tests performance tuning for React under real-time workloads at Known.

performance optimizationreacttechnical experienceKnown
Environment-Specific Deployment SettingsMedium

Tests your build and deployment configuration skills for consistent releases at Known.

configuration filestechnical experiencedeploymentKnown

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