Google Data Scientist Interview Experiences & Questions
3 candidates share their Google Data Scientist interviews: each round, the questions asked and the outcome. Latest: Feb 2026.
What to expect · Google Data Scientist
Based on 3 real interviews
The Google Data Scientist interview process
Most common round types: Analytical (1), Behavioral (1), Data Modeling (1), Product Strategy (1), SQL (1), Statistics & Experimentation (1).
Real Google Data Scientist interview questions
- How do we sample from an arbitrary distribution?
- Is KNN supervised or unsupervised?
- Let's build a schema for this product.
- How do you calculate a t statistic or a z statistic?
- What metrics to use when evaluating a model?
- Find seasonality in this quarterly data set.
- Walk me through how you'd design the experiment and causal analysis for this problem.
- How would you set up a RAG system?
- Google Meet used to be available only to G Suite users and now it's widely available to everybody. How would you define success and what metrics would you use?
- What is the best way to connect SQL databases and why?
- How did you make your workplace a better place?
- Calculate Test Scores
- Tell me about a time you took initiative.
- Tell me about a time you adapted to changing priorities.
All 3 Google Data Scientist interview experiences
“I was first contacted by the recruiter for a buisness DS position and had a quick screen. They walked me through the several rounds and what is covered in each. Later on they even helped me go…”
“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…”
“Started off with recruiter screening with light technical questions, and walked me through all the rounds. Next, I had several rounds. Very light coding, mostly case studies and stats knowledge.…”
More: all Google interviews · Data Scientist interviews at every company
Frequently asked questions
How many rounds are in the Google Data Scientist interview?
Candidates report a typical 3 rounds, usually including a recruiter screen, phone screen, technical round, final / onsite round.
How hard is the Google Data Scientist interview?
Candidates rate it 2.7/5 on average (medium), across 3 interviews.
How long does the Google Data Scientist hiring process take?
About 4 months from first contact to decision, based on reported timelines.
What percentage of Google Data Scientist candidates get an offer?
100% of candidates with a final result got an offer (2 of 2).
What does the Google Data Scientist interview focus on?
The most common round types are Analytical, Behavioral, Data Modeling, Product Strategy.