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Google interview notes, page 193 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·Onsite - Coding / Algorithms

Jul 2026
Google SWE coding round with a tree problem that looked manageable until the follow-up optimization came up. The core idea is straightforward but the efficient version requires some thought about caching and path recomputation.
  • Given a valid boolean expression tree with AND, OR, and XOR internal nodes and boolean leaves, flip each leaf one at a time from left to right and return the root's evaluated value after each temporary flip.

“Brute force came to me pretty fast: inorder traversal to collect leaves, flip one, re-evaluate the whole tree, restore it, repeat.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jul 2026
PM interview at Google with a market sizing question about Google Translate. Short and focused, just the one question from what I can tell.
  • What is the total addressable market for Google Translate?

“Market sizing for a free product is a weird place to start because you have to decide pretty quickly whether you're sizing users, potential revenue, or some proxy for value.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jul 2026
PM interview at Google with a scenario framed around Netflix, which threw me off a bit. Single product analytics question, pretty open-ended.
  • You're a PM at Netflix. One million users are paying but completely inactive. How do you investigate this?

“I spent the first minute just trying to figure out what 'inactive' even means here, which was probably the right instinct but I fumbled the segmentation part.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jul 2026
Google PM interview, one question about critiquing the Yelp app. Short and focused, basically a product sense exercise dressed up as a design review.
  • Walk me through a critique of the Yelp app.

“I went straight into listing UI complaints and kind of lost the thread for a bit.”

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Google·Software Engineer·Onsite - Coding / Algorithms

Jul 2026
Google onsite coding round with a grid-based constraint satisfaction problem. The question looked like a straightforward 2D array thing until the rules started stacking up and I realized brute force wasn't going to cut it cleanly.
  • Given a 2D grid containing houses (H), flowers (F), and plantable spaces (O), determine whether you can place flowers on O spaces such that: no row or column contains more than one flower, and every house has exactly one adjacent flower that is not shared with any other house. Return a boolean. Follow-up: return all valid grid configurations instead.

“The two constraints together are what make this annoying.”

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Google·Product Manager·Hiring Manager Screen

Jul 2026
Behavioral screen for a PM role at Google, just the one question about how a past manager would describe you.
  • If I reached out to your previous manager, how would they describe you as an employee?

“I fumbled this a bit.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jul 2026
Google PM interview with a classic product design question dressed up in a wild hypothetical. One question, no warm-up, just straight into it.
  • You're the PM for a new consumer device: a time machine. How would you design the interface?

“I spent the first thirty seconds just kind of staring.”

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Google·Software Engineer·Onsite - Behavioral / Leadership

Jul 2026
Behavioral round at Google for an EM role. Just one question but they let it run long, lots of follow-ups.
  • Tell me about a time you launched a new initiative and walk me through how you approached it.

“Classic leadership question but the follow-ups are where it gets tricky.”

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Google·Product Manager·Onsite - Product Sense / Strategy

Jul 2026
Google PM interview, one product design question about building a dog walking app. Pretty open-ended, which I wasn't totally prepared for.
  • Design a new app for dog walking.

“I went straight into features and kind of skipped the whole 'who is this for' part, which I regretted mid-answer.”

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Google·Software Engineer·Onsite - Coding / Algorithms

Jul 2026
Google SWE coding round, just one algorithmic question about scheduling. Clean problem, classic setup, but the details matter more than you'd expect.
  • Given a list of meeting time intervals [start, end), find the minimum number of conference rooms needed so no two overlapping meetings share a room.

“I'd seen this problem before so I wasn't panicking, but I fumbled explaining why a min-heap on end times actually works.”

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