Google Data Scientist Interview Questions (2025)

Thinking of interviewing at Google? Here’s what to expect, plus example questions and strategies.

Interview Structure

1. Online Application / Recruiter Screen
2. Technical Phone Screen (SQL, statistics, analytics)
3. Onsite / Virtual Loop
   • Technical Deep Dive
   • Product/Business Case
   • Behavioral & “Googleyness” round

Real Google Interview Questions

• How would you measure the success of a new Google Maps feature?
• Write a SQL query to join two tables and filter by user activity.
• Explain a time you influenced a business decision with data.
• Design an experiment to test a new search algorithm.
• What are the biggest data challenges at scale?

How to Stand Out

• Bring strong product sense: Google loves candidates who think like PMs.
• Communicate clearly: Walk through your logic and tradeoffs.
• Be ready for statistics and experimentation: Hypothesis tests, A/B tests, power analysis.

Resources

• Practice Google-style interview questions at InterviewQs
• Guide to Google’s hiring process