Technical & Architectural Expertise in Data Engineering

Interview Discussion

Mar 07, 2025

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Interviewer: Welcome! Let's explore your technical and architectural expertise. We're looking for depth, so feel free to elaborate. Let's start with Apache Spark. Can you explain how you’d optimize a Spark job that’s experiencing excessive shuffling and skewed data?

Candidate: Absolutely. First, I’d analyze the DAG in Spark UI to pinpoint stages with hig…

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