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Interview questions · hard
How do you optimize Spark jobs for better performance? Mention at least 5 techniques.
Retrieve the most recent sale_timestamp for each product (Latest Transaction).
How do you optimize Spark jobs for performance?
Briefly introduce yourself and walk us through your journey as a Data Engineer so far.
Describe a time you had to learn a new technology quickly to solve a problem.
Describe a time you had to make a difficult decision with limited information.
How do you stay updated with the latest trends and technologies in data engineering?
Describe a time when you had to work with a team to solve a complex problem.
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