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Interview questions
What architecture are you following in your current project, and why?
Write complex SQL queries involving multiple joins, subqueries, and data aggregation logic.
Concatenating lists within a range using list comprehensions
Count occurrences of elements in a list of tuples using Spark RDDs
Flatten nested lists recursively using Python
Why I chose specific technologies (e.g., Spark over traditional ETL tools)
How we manage dependencies and retries in data pipelines
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