Google Product Design Engineer interview questions
based on 10 ratings - Updated Apr 10, 2026
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75%
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Employee Referral
25%
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Product Design Engineer applicants have rated the interview process at Google with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 61.5% positive. This is according to Glassdoor user ratings.
Candidates applying for Product Design Engineer roles take an average of 70 days to get hired, when considering 10 user submitted interviews for this role. To compare, the hiring process at Google overall takes an average of 38 days.
Common stages of the interview process at Google as a Product Design Engineer according to 10 Glassdoor interviews include:
Phone interview: 38%
One on one interview: 38%
Background check: 13%
Drug test: 13%
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First interview was technical for initial screening. Next round is final panel interview which is three separate one on one interviews (2 technical, 1 behavioral). Behavioral is on leadership and googleyness.
Technical questions were challenging but interviewers were constructive and helpful, it was clear they weren’t trying to trick you. Process involved a phone screen with a recruiter, a technical screen, and a day-long panel of interviews.
Multiple rounds- and they were all very technical and with on the spot design challenges. At the end there was time for questions (but this was over time) for the full hour it was 30 minute technical questions and 30 minute design challenge
Interview questions [1]
Question 1
Typical beam problems and open ended design questions on how to design a part for a consumer electronics product