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Real Interview Experiences

Learn what to expect directly from candidates and interviewers who've been through it.

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Google
Product Data Scientist (L5)
Google·Posted 6 months ago · Dec 2025

“I just found like nervousness dropped my IQ like 20 points, so I ended up doing a lot of mocks with GPT. Then I started seeing way more causal inference in interviews, like the field can go back to the science part.”

Verified3 rounds5 questions
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OpenAI
Senior Data Scientist (L5)
OpenAI·Posted 6 months ago · Nov 2025

“One thing that stood out was the SQL round. They gave me this AI-generated, very modular code and asked me to read the logic like a human, then basically debug what the machine was doing wrong.”

Verified5 rounds4 questions
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DoorDash
Data Scientist
DoorDash·Posted 6 months ago · Jan 2025

“The SQL interviewer literally stopped me mid-explanation and said, “We’re not interested in your explanation. My job is just to make sure you get the right answer,” which honestly made the whole DoorDash process feel a lot like Meta.”

Verified3 rounds4 questions
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Citadel
Data Scientist
Citadel·Posted 6 days ago · Sep 2026

“Was referred so probably skipped some steps. The recruiter and first round was very friendly, but the person who debriefed my take home was not. Ultimately was rejected because they said they wanted someone more experienced but the process felt very dragged on.”

2 rounds1 question
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W
Data Scientist
Warner Music Group·Posted 1 month ago · Sep 2026

“Mostly feature engineering, with some core Python (functions and classes) mixed in. The platform has a built-in AI assistant you can query for syntax, so you don't need to memorize every method. You can execute your code to check it, but no test cases are given. So you never get a pass/fail signal. You have to decide how much time to spend validating your own output versus moving on to the next problem. Sanity-check the shape, nulls, and dtypes of what you build, and write your own quick asserts.”

2 rounds
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Amazon
Economist
Amazon·Posted 1 month ago · Sep 2026

“The interview questions were quite unclear and I had to figure out what she is asking for. Also, she was asking really deep mechanical questions about the estimator I am using and my selection about the sample size. ”

1 round
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McKinsey
Data Scientist
McKinsey·Posted 1 month ago · Aug 2026

“The technical round is the hardest to crack.”

4 rounds
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BCG Gamma
Data Scientist
BCG Gamma·Posted 1 week ago · Jul 2026

“Overall, it was a good interview process. The case studies really tested your ability to create a framework on the stop and ask the right discovery questions. ”

4 rounds
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R
Data Scientist
Raptive·Posted 2 months ago · Jul 2026

“It was nice quite technical and related to adtech. They asked abt ci/cd hub. Model deployment and slopes”

4 rounds3 questions
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