Design an ETL pipeline that loads data every hour from X system to Y System with consistency and reliability describing edge cases.
Sr Data Engineer Interview Questions
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interview 1 : 30 min screen call with engineering lead interview 2: 60 coderpad coding round. I was asked to optimized text search. Interview 3: 60 min debugging interview in python. they will give some code with bugs and then they will ask you to fix code to pass test cases Interview 4: 45 min data quality. i was given some football match dataset to draw insights to figure out who will buy the tickeys Interview 5: 45 min ML infra. they will ask you how would you push something developed by data science to production Interview 6: 2hr behavioral interview. they will start with your undergrad and will ask each and every thing about your schools, universities etc etc
Primarily on the data warehousing and cloud part
simple sql/python qeustions leetcode easy
Tell me about a project you worked on recently.
How do you keep up with frequently changing tech world?
Implementation questions related technologies were asked?
write sql query and then python code for a table of events and return a pivot like response for certain values.
1) Merge overlapping Intervals (had done in 10 mints) 2) Spark questions like inferschema, mergeschema, how spark works, partitioning, small file problem. All questions I had answered accurately but they still rejected either I was too good for them. LOL
Past experiences, technologies.
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