Crayon Data Software Engineer Interview Questions

The questions to prepare for a Crayon Data Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Two Sum for Target

Medium

Tests problem-solving and efficient array/hash-based reasoning.

Arraystwo sumAlgorithms

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Understanding ACID Properties in Databases

Medium

Explain the ACID properties of database transactions and their importance.

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Significance of RDDs

Medium

Tests foundational understanding of Spark’s lineage and distributed data processing concepts.

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Spark Performance Tuning Approach

Medium

Tests ability to diagnose and improve Spark job performance in production pipelines.

Performance Tuningspark

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Scalability of a System

Hard

Tests system design thinking for growth, reliability, and performance under load.

system designscalability

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Project Architecture Walkthrough

Medium

Tests system design communication and ability to explain tradeoffs and components clearly.

technical depth

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