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Google interview notes, page 89 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

May 2026
Google coding interview with a classic interactive search problem. The whole thing hinged on knowing how to prune a candidate set intelligently under a tight guess budget, which sounds manageable until you're actually in the room trying to articulate a minimax strategy on the fly.
  • You have a list of candidate 6-letter words and an API that returns the number of exact character-position matches between your guess and a hidden secret word. Find the secret word in at most 10 guesses. How do you approach this?

“My first instinct was to just guess randomly and prune, which is technically fine but completely misses the point.”

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Google·Product Manager·Onsite - Product Sense / Strategy

May 2026
Google PM interview with a go-to-market case question for a grocery delivery app. Pretty open-ended and I wasn't totally sure how deep to go on the strategy side versus the execution side.
  • You're a PM for a grocery delivery app and need to launch the first version in 3 months. How do you approach the go-to-market strategy?

“I started with target audience and worked outward but I think I spent too long on user segmentation and not enough on the actual launch mechanics like channel strategy, partnerships, or how you sequence a rollout in a competitive space.”

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Google·Software Engineer·Technical Phone Screen

May 2026
Google SWE coding round, one question the whole time: implement a recursive directory deletion using two provided APIs. Felt manageable but the follow-up discussion on trade-offs is where things got real.
  • Given two filesystem APIs, getChildrenPaths(path) and deleteFile(path), implement a deleteDirectory(path) function that removes a directory and all its contents recursively.
  • What are the trade-offs between recursive DFS, iterative DFS with an explicit stack, and parallel deletion for this problem?

“Started with recursive DFS which felt natural.”

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Google·Software Engineer·Onsite - Behavioral / Leadership

May 2026
Behavioral round at Google for a BA role. Just one question but they really wanted to dig into it.
  • Tell me about a time you used data to drive an improvement to an internal process.

“I had an answer ready but it felt thin once I started talking.”

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Google·Software Engineer·Hiring Manager Screen

May 2026
Google EM interview with one question that sounds deceptively easy until you're actually in the seat trying to explain a technical concept to a five-year-old without sounding like a Wikipedia article.
  • How would you explain what an API is to a five-year-old?

“I went with some analogy about a waiter taking orders between a kitchen and a customer.”

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Google·Product Manager·Onsite - Product Sense / Strategy

May 2026
PM interview at Google with a single big product vision question. The kind of open-ended prompt that sounds fun until you're actually sitting there trying to figure out where to even start.
  • The CEO of Google wants a product that enables in-person meetings. What would you build over the next 5 to 10 years?

“I went broad too fast.”

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Google·Product Manager·Onsite - Product Sense / Strategy

May 2026
Google PM interview with a big open-ended strategy question straight from the top. One question, no warm-up, just Sundar Pichai supposedly asking you to build out a grocery play from scratch in 6 to 9 months.
  • Google wants to break into the grocery market. The CEO has asked you directly: what is your product design and strategy for this venture over the next 6 to 9 months?

“The CEO framing is a bit of a power move.”

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Google·Product Manager·Onsite - Product Sense / Strategy

May 2026
Google PM interview, one question about YouTube's competitive position. Pretty sparse on details but the question itself is a solid strategy exercise.
  • What is the biggest threat to YouTube?

“I went straight to TikTok and short-form video, which felt obvious the second I said it out loud.”

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Google·Software Engineer·Onsite - System Design / Architecture

May 2026
System design round at Google for a software engineering role. The whole session was one big question about elevator systems, which sounds deceptively simple but spirals fast once you start pulling on the scheduling and fault tolerance threads.
  • Design the software for a multi-elevator control system in a high-rise building. Walk through your class design, how you'd assign cars to requests, how the system handles peak traffic and fairness, what happens when a car fails, and how you'd test and simulate the whole thing.

“I started with the obvious classes (elevator car, request queue, controller) and felt okay for the first few minutes.”

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Google·Software Engineer·Onsite - Behavioral / Leadership

May 2026
Behavioral round at Google for an EM role. One question, pretty focused on leadership under pressure. Not a lot to say about the experience itself but the question stuck with me.
  • Describe a situation where you had to re-energize a team following a demoralizing event.

“I had a decent story ready but I think I leaned too hard into what I did versus what the team actually felt.”

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