Data Engineer loops test SQL, Python and Data Engineering first, then Data Modeling and Problem Solving. Everything below is aggregated from 16,823 candidate reports and 2,413 company guides.
My process started with a timed OA-style round: 75 minutes split evenly between Python data structures/algorithms and SQL, with five questions in each. The SQL part came with tables included, and I had to answer based on what was there. The difficulty felt “average” overall, but the pressure was real—the thing that mat
After a recruiter outreach, I ended up with a fairly direct sequence: a phone screen where SQL and Python questions came up, then a loop-style technical process with a couple of engineering-focused interviews. The phone screen felt easy-to-medium overall, and the questions were mostly about being able to work through S