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Interview question

Optimize a Spark job with data skew on a large join

Asked in Novartis Switzerland Data Engineer interviews

Asked by

46% candidates

Difficulty

Medium

Round

Technical Round 1

AI synthesized from candidate reports

Related practice

Candidates also saw

Novartis Switzerland Data Engineer — People Also Ask

Common interview prep questions from recent candidates

What questions are asked in Novartis Switzerland 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 Novartis Switzerland Data Engineer interview?
Competitive — panels test depth in role fundamentals, system thinking, and communication under follow-up pressure.
What interview rounds does Novartis Switzerland use for Data Engineer?
Typical loops: Resume screening → Technical → Behavioral → Offer. Timelines often run 3–6 weeks.
Is Spring Boot asked in Novartis Switzerland Data Engineer interviews?
When the role involves Java or backend services, Spring Boot and API design often appear in technical rounds.
Does Novartis Switzerland 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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