how many years of python experience do you have?
Senior Data Engineer Interview Questions
2,563 senior data engineer interview questions shared by candidates
There was a technical home work question to design a ETL process that loads csv files into a SQL system. The files's structures could change and so they had to be handled dynamically.
Live coding was mainly in SQL. Some Python questions pertaining to taking in data from an API. Some lower level engineers were fairly clearly interviewing for the first time, and so they went from full resume review to live coding and back without transitions, as if to take up time allotted to them.
Tell me about the time you had a challenge in a project
Q: List all transactions that were, at the time of the transaction, the largest transaction to date.
Q: What is each customer's current card_number?
Q: Which customers have not made any transactions with any card?
Q: How many cards has customer '1544' had?
SQL joins, aggregate functions (including having)
Python Hash Table (The Two Sum problem)
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