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Google interview notes, page 143 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·Software Engineer·Technical Phone Screen

Jun 2026
Google coding interview, grid traversal problem with a couple of follow-ups that went deeper than I expected. Pretty standard on the surface but the follow-ups are where they actually test you.
  • Given a 2D grid with possible obstacles, implement a shortest-path search from a start cell to a target cell using BFS. Alternatively, count the number of connected regions in the grid.
  • How would you extend this to a 3D grid? Walk through the state representation and how complexity changes.
  • Why use BFS here instead of DFS or other search strategies? When would you prefer one over the other?

“Got the BFS skeleton down pretty fast, 4-directional moves, visited set, queue.”

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Google·Software Engineer·Hiring Manager Screen

Jun 2026
Google interview, one question about career trajectory and how the role fits into longer-term goals. Pretty standard leadership screen vibe.
  • Where do you see yourself technically and as a leader over the next 3-5 years, and how does this role fit into that path?

“I had an answer prepared but it felt a bit generic coming out of my mouth.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Google interview for what seemed like a product or solutions role focused on cloud migration. One question, pretty open-ended, and I spent most of the time figuring out what they actually wanted before I could even start answering.
  • A business currently running on-premises VMware infrastructure has signed a deal with Google Cloud Platform. How would you design the onboarding product for that customer?

“I spent the first couple minutes just trying to scope this because it's deceptively large.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Google PM interview with a single 10x improvement question on Google Photos. Not much context shared but it's the kind of open-ended product sense question that can go a lot of directions depending on how you frame the problem space.
  • How would you improve Google Photos by 10x?

“The 10x framing is doing a lot of work here.”

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Google·Software Engineer·Onsite - Behavioral / Leadership

Jun 2026
Behavioral round at Google for a software engineer role. Four questions, mix of leadership, culture fit, and an ethical judgment call at the end that I wasn't expecting to think that hard about.
  • Describe a project you led and explain what made it particularly challenging.
  • Have you changed any hobbies recently, and if so, why?
  • Tell me about a time you helped a new person get integrated into your team.
  • You find a bug right before a release that will affect some users but can't be fixed in time. What do you do?

“I had a decent story ready but rambled too long on the setup and barely got to what I actually did.”

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Google·Software Engineer·Technical Phone Screen

Jun 2026
Google SWE interview with a data structures design problem. The question was about modeling an org chart in memory with three operations, and the tricky part was handling inferred relationships correctly.
  • Design an in-memory org chart that supports three operations: marking one employee as the direct manager of another, marking two employees as peers (same manager), and querying whether one employee is a manager of another. The system must correctly handle inferred relationships. For example, if A manages X and X is a peer of Y, then A should also be recognized as a manager of Y.

“The peer inference piece is what gets you.”

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Google·Software Engineer·Onsite - Product Sense / Strategy

Jun 2026
Got a strategy question for a high-performance computing role at Google. Pretty open-ended, no obvious right answer, and the whole thing felt like they wanted to see how you think about customer demand versus infrastructure philosophy.
  • You're leading high-performance computing strategy at Google, and customers are pushing for vertical solutions rather than horizontal technologies. How do you respond?

“This one sat me down hard.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
PM product sense question for Google, just the one question but it took up the whole session. Pretty open-ended, which I wasn't fully ready for.
  • You're a PM at Alaska Airlines. How would you go about improving the in-flight experience for customers?

“I fumbled the opening by jumping straight into ideas before actually scoping the problem.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Product sense round at Google for a PM role. Just one question but it opened up into a pretty sprawling conversation about product philosophy and personal fit.
  • You're a PM at Google. Which product would you choose to work on?

“I picked something I actually cared about instead of the obvious flagship answer, which felt right in the moment but then I spent the next five minutes second-guessing myself mid-answer.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Google PM interview with a classic product strategy question that sounds deceptively open-ended. One round, one question, and a lot of room to either shine or ramble yourself into a hole.
  • How would you grow your favorite product by 10x?

“Picked a product I actually use daily, which helped, but I spent way too long setting up context before getting to any real ideas.”

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