Sr Data Scientist Interview Questions

3,368 sr data scientist interview questions shared by candidates

For stats: Focus on brushing up the stats 101, Confidence interval, Z statistics For ML: Practise case study for example if you're taking over someone's work what are some questions you gonna ask that person and then follow up questions on that For coding: More like leetcode. One main question but would have 3 parts to it. For values: Situational Questions on past work and behavior kind of questions Problem Framing: Simple data manipulation using pandas
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Senior Data Scientist

Interviewed at Brex

3.9
Jan 27, 2025

For stats: Focus on brushing up the stats 101, Confidence interval, Z statistics For ML: Practise case study for example if you're taking over someone's work what are some questions you gonna ask that person and then follow up questions on that For coding: More like leetcode. One main question but would have 3 parts to it. For values: Situational Questions on past work and behavior kind of questions Problem Framing: Simple data manipulation using pandas

The first round was a comprehensive technical interview focused on Exploratory Data Analysis, feature selection, model building, and evaluation, with a strong emphasis on classification metrics. It also included basic to intermediate Python and SQL questions. The second round was more situational and project-focused. The final directorial round involved questions on my current project, and the interviewer shared his screen to me to walk him through some machine learning code, asking me to explain each line of the implementation.
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Data Scientist - Senior Specialist

Interviewed at Standard Chartered Bank

3.7
Oct 31, 2025

The first round was a comprehensive technical interview focused on Exploratory Data Analysis, feature selection, model building, and evaluation, with a strong emphasis on classification metrics. It also included basic to intermediate Python and SQL questions. The second round was more situational and project-focused. The final directorial round involved questions on my current project, and the interviewer shared his screen to me to walk him through some machine learning code, asking me to explain each line of the implementation.

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