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Interview question

Optimize a Spark job with data skew on a large join

Asked in GitLab Data Engineer interviews

Asked by

42% candidates

Difficulty

Medium

Round

Technical Round 1

AI synthesized from candidate reports

Related practice

Candidates also saw

GitLab Data Engineer — People Also Ask

Common interview prep questions from recent candidates

What questions are asked in GitLab Data Engineer interviews?
Recent candidates report role-specific technical questions, system design prompts, and behavioral STAR questions tied to ownership and impact.
How difficult is the GitLab Data Engineer interview?
Competitive — panels test depth in role fundamentals, system thinking, and communication under follow-up pressure.
What interview rounds does GitLab use for Data Engineer?
Typical loops: Resume screening → Technical → Behavioral → Offer. Timelines often run 3–6 weeks.
Is Spring Boot asked in GitLab Data Engineer interviews?
When the role involves Java or backend services, Spring Boot and API design often appear in technical rounds.
Does GitLab ask system design in Data Engineer interviews?
Mid-senior Data Engineer loops frequently include system design or architecture discussions — especially for distributed systems and scale.
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