Machine Learning Interview Questions

8,210 machine learning interview questions shared by candidates

Technical round: 2SQL questions on joins and window function. Python related question: assign decimal numbers to bucket and write Precision, Recall program in numpy. Data Science : Method for training fraud detection model
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Senior Machine Learning Engineer

Interviewed at Poshmark

3.9
Jul 1, 2025

Technical round: 2SQL questions on joins and window function. Python related question: assign decimal numbers to bucket and write Precision, Recall program in numpy. Data Science : Method for training fraud detection model

- Describe relative pros and cons of Object Oriented programming - Write a function that computes raising an integer to an exponent, and discuss runtime complexity issues (they want to see pointless trivia answer with recursion on half the exponent). - Talk about some natural language processing applications, general machine learning. Interviewer didn't seem to know many details about machine learning. - Write a function that transforms some input text into word counts.
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Principal Machine Learning Architect

Interviewed at FactSet

3.9
May 23, 2018

- Describe relative pros and cons of Object Oriented programming - Write a function that computes raising an integer to an exponent, and discuss runtime complexity issues (they want to see pointless trivia answer with recursion on half the exponent). - Talk about some natural language processing applications, general machine learning. Interviewer didn't seem to know many details about machine learning. - Write a function that transforms some input text into word counts.

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