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data-science-interviews

Data science interview questions and answers

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Created 2020-03-02 · Updated 2026-10-06 · #1243 today
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Data Science Interviews

Data science interview questions - with answers

The answers are given by the community

  • If you know how to answer a question — please create a PR with the answer
  • If there's already an answer, but you can improve it — please create a PR with improvement suggestion
  • If you see a mistake — please create a PR with a fix

For updates, follow me on Twitter (@Al_Grigor) and on LinkedIn (agrigorev)

Do you want to talk about data? Join DataTalks.Club

Questions by category

  • Theoretical questions: theory.md (linear models, trees, neural networks and others)
  • Technical questions: technical.md (SQL, Python, coding)
  • More to come

Contributed questions

The contrib folder contains contributed interview questions:

Other useful things

  • Awesome data science interview questions and other resources: awesome.md

This is a joint effort of many people. You can see the list of contributors here: contributors.md

License

This work is licensed under a Creative Commons Attribution 4.0 International License.

CC BY 4.0