Data Scientist Machine Learning Interview Questions

467 data scientist machine learning interview questions shared by candidates

Each interview was with a totally different person and pretty distinct. It helps to be familiar with data science and engineering and academic research. Was asked to design a database as well as some numerical code in ds interview.
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Machine Learning Scientist

Interviewed at Capital One

5
Mar 6, 2021

Each interview was with a totally different person and pretty distinct. It helps to be familiar with data science and engineering and academic research. Was asked to design a database as well as some numerical code in ds interview.

In the second half of the interview, I was asked to design a recommendation system for confluence, to recommend articles. NOTE: They say that they ask system design question according to the resume or our previous experience, but I havent worked on a recommendation system previously. So it might be a question based on the teams requirement. The interviewer mentioned that he has experience working on recommendation and it is his field of expertise.
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Senior Data Scientist, Machine learning

Interviewed at Atlassian

3.1
May 1, 2025

In the second half of the interview, I was asked to design a recommendation system for confluence, to recommend articles. NOTE: They say that they ask system design question according to the resume or our previous experience, but I havent worked on a recommendation system previously. So it might be a question based on the teams requirement. The interviewer mentioned that he has experience working on recommendation and it is his field of expertise.

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