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Google interview notes, page 6 of 215

FAANG / Big Tech

Most of these Google write-ups come from Software Engineers (1,167), then Product Managers (686) and Data Scientists (125). The most reported rounds are the product sense round (667), the technical phone screen (660), the behavioral / leadership round (252) and the onsite coding round (214).

2146 interview notes · updated Oct 2026

Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Google PM interview with a product design question about building a self-driving car experience specifically for kids. Pretty open-ended and I wasn't sure how deep to go on the safety angle versus the UX side.
  • How would you design a self-driving car solution tailored specifically for children?

“I spent too long on the obvious stuff, parental controls, safety sensors, that kind of thing.”

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Google·Software Engineer·Onsite - System Design / Architecture

Apr 2026
System design round at Google for a software engineer role. One question, pretty open-ended, basically asked me to design a simplified Google Docs with sync and collaborative editing support.
  • Design a notes application that supports real-time sync and collaborative editing, similar to a simplified version of Google Docs.

“I went straight to the data model and storage layer, which in hindsight was the wrong move.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Google PM interview with a single product design question about reimagining the airport experience. Pretty open-ended, which sounds fun until you're actually in it.
  • How would you redesign the airport experience?

“I went broad first, which was probably a mistake.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Google PM interview with a single product design question focused on public health. The prompt was open-ended enough that I spent way too long figuring out what direction to even go before I started structuring anything.
  • Using existing Google products, design a feature to address hearing damage as a public health concern.

“The constraint of staying within the existing Google ecosystem actually tripped me up more than a blank-slate question would have.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Google PM interview, one question about redesigning a physical product. Pretty open-ended and I think I underestimated how much structure they actually wanted.
  • How would you design a better alarm clock?

“I went straight into user personas and pain points, which felt right, but I spent way too long on the problem space and barely had time to flesh out actual solutions.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Got a product estimation question at Google, just the one. Pretty classic case-style prompt but it goes deeper than you'd expect if you actually try to break it down properly.
  • Estimate the annual cost of running YouTube.

“I started with storage and bandwidth because those felt obvious, then realized I was probably underselling the compute side.”

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Google·Software Engineer·Technical Phone Screen

Apr 2026
Google SWE interview, one coding round centered on a classic scheduling problem. Nothing too exotic, but the interviewer was clearly watching how you think out loud more than whether you got the answer.
  • Given a list of meeting time intervals, find the minimum number of conference rooms required to schedule all of them.
  • How would your approach change if the dataset were extremely large, say too big to fit in memory?
  • What are the trade-offs between using a min-heap versus a two-pointer approach for this problem?

“I went with the sweep-line approach, splitting starts and ends into separate events, sorting them, and simulating with two pointers.”

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Google·Software Engineer·Onsite - Behavioral / Leadership

Apr 2026
Behavioral round at Google for a software engineering role, just the one question but it took up the whole conversation.
  • Tell me about a time you failed or made a significant mistake at work. Walk through what happened, how you took ownership, what you did to fix it, and what you took away from it.

“I had a story ready but rambled through the recovery part and lost the thread.”

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Google·Product Manager·Onsite - Behavioral / Leadership

Apr 2026
Behavioral screen for a PM role at Google, just the one question but it hit harder than expected.
  • Tell me about a time you missed a deadline.

“I had a story ready but fumbled the delivery.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Apr 2026
Interviewed for a PM role at Google and got hit with a big open-ended strategy question about climate and resource allocation. Pretty classic Google ambiguity test.
  • You have an unlimited budget. How would you approach solving the climate crisis?

“I froze for a second because the scope is genuinely absurd.”

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