10 Spark Performance Questions for $180k+ Databricks Data Engineer Roles

The Offer-Winning Answer Guide

Spark optimization is THE interview differentiator - every $180k+ Databricks role tests your ability to diagnose and fix performance problems, not just write queries.

Senior interviews expect you to explain WHY a job is slow, WHAT metrics to check, and HOW to fix it without trial-and-error guessing.

What’s inside:

✅ All 10 questions with detailed answers

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