technical 30 minutes aked about more technical and behaviorial questions what challenges you faced.tell me about a time you ensured data quality.how did you optimize spark pipeline.how have you used python in data engineering

Online test was pretty simple, covered all regions (quant, DI, Verbal). Interview consisted of two rounds + HR. First round, they went through my resume, projects, puzzles and guesstimates, SQL queries (advanced). In second round, basic maths, puzzles and guesstimates. HR was pretty easy...regarding job location, role, base pay, etc...