Tell me about a time when you realized something wrong was happening, that would affect you or your team.
Data Scientist Senior Interview Questions
3,382 data scientist senior interview questions shared by candidates
Pandas, numpy and recursive functions
no question
I had a 45-minute technical interview with a Senior Data Scientist consultant. The session included three SQL questions and one Python question, focused on sales transactions and data manipulation. One point of friction was that the interviewer asked me not to use window functions and instead pushed for a GROUP BY solution. While I adapted under pressure, I felt the conversation was more rigid than collaborative. Overall, the process was structured and timely, but I would have appreciated more flexibility in the problem-solving approach — especially for senior-level candidates who may use different methods to arrive at the correct solution.
Tell me of a time when you had to convince stakeholders a model was good enough.
Case study testing modelling process
For this dataset, show me the frequency, loss ratio and recommend a price change
why you want to join sapient
business use case of predicting number of people visiting hotel.
Classical questions on interpersonal skills
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