I applied through a recruiter. The process took 1 week. I interviewed at UsefulBI (Bengaluru) in Jun 2025
Interview
Not a good experience, it felt like interviewer don't have a choice but take the interview on Sunday. First round was done by recruiter only where they asked, AWS, Python, PySpark questions.
Interview questions [2]
Question 1
Round 1 (Recruiter)
- AWS related questions
- PySpark related questions
- Python related questions
Round 2 (Someone Senior on Sunday Morning)
- How do you migrate data from mysql to s3 and the create data catalogue and get data into redshift
- What did you do to optimise pyspark code/pipeline
- Count number of words for each character in ssssaabbc
- How to get unique characters from the same?