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Google Software Engineer System Design Questions

161+ questions from real Google Software Engineer System Design rounds, reported by candidates who interviewed there.

161
Questions
8
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What does the Google System Design round test?

The Google system design round assesses a candidate's ability to architect scalable systems. Software Engineer candidates are typically asked to design a large-scale service or platform from scratch, covering database choices, API design, scaling strategy, and failure modes.

Top Topics in This Round

Google Software Engineer System Design Questions

Prepping for Google L5 Onsite Interview (US)

Google Process,Onsite,L5,System Design,Dsa,Kubernetes,Golang,Infra 2026

Hey everyone, looking for some advice. I’ve been invited for an onsite interview at Google for an L5 Infra role (Kubernetes + Go). The recruiter mentioned there will be two coding rounds and one syste

Hey everyone, I just had my first telephonic interview with Google, and I wanted to share my experience and feelings about it. I’ve been preparing for DSA (Data Structures and Algorithms) for close to

https://preview.redd.it/4x75cjot480g1.png?width=846&format=png&auto=webp&s=c74e5e328b5f4ac213c11f879fd2931623b07f69 A long-time lurker, and this is my first time posting here, maybe it’s m

Goodbye r/leetcode

System Design,Behavioral 2025

First of all, I would thank this community from the bottom of my heart. I received amazing guidance from the preparation suggestions and their experiences which led to a successful offer. I am working

My LC Prep - Google Offer SWE II (L3)

Dynamic Programming,Arrays,Stack,Recursion 2025

My Technical-Interview Prep Journey (Google Offer) Hey everyone! A little while ago I shared my [Google interview experience](https://www.reddit.com/r/leetcode/comments/1kdnzwi/got_the_google_offer_

Two years ago, I was a nervous wreck. I’d always been decent at coding but the thought of **coding interviews** made me freeze. I couldn’t even get past “easy” problems on Leetcode without looking at

I think I remember reading a long time ago that Google will let you ask your interview for a different question. I was wondering if anyone has ever tried this before and what has happened? Does anyone

MY SPIRIT REMAINS UNBROKEN AND I SHALL PERSEVERE TOWARDS THE CHASM OF DARKNESS AND UNCERTAINTY GUIDED BY THE LIGHT OF THE HOLY TRINITY (SYSTEM DESIGN, PROJECTS, AND LEETCODE). MAY WE ALL FIND OUR PATH

How to be a CS major in 2026 (for incoming freshmen)

Career,General Experience,System Design,Ml 2026

Woohoo. You just got into some decent school, and want to work at FAANG once you graduate. Maybe you're in this field because you're a die-hard computer or programming nut. Or maybe you're in this fie

Anyone have a site for AI proctor practice?

Ai Interview,Oa,System Design,Interview Prep 2026

Had one of these interviews for a mid level AT&T role recently. Terrible experience all around: * The only coding question was incredibly vague (something like "design a scheduler that accepts 5 r

I am currently preparing for system design interviews and have few questions for folks who have experienced it already. Does the interviewer provide most of the functional requirements or are we suppo

Just wrapped up a month-long sprint where I interviewed with around 40 companies. The market is definitely tough, but people are hiring if you can actually get past the resume screen. I wanted to dump

I had an onsite in person interview loop recently for a Software Engineer position at a mid-size tech company. Most of the day went pretty well — I did fine in the technical rounds, had good conversat

I just did another mock interview with another Staff Engineer from Open AI I’d argue this is the near perfect solution for Design K Leaderboard for Facebook comments or videos. To be honest the design

Hello! I want to know if companies like Google, Meta etc, require a system design interview for SWE positions. At what level or after how many years of experience should I expect to encounter system d

I recently left Google after nearly four years. I wish I could say it lives up to all the hype, but it didn't. I honestly felt like I did some of the worst work of my career there. The environment, th

I ask because Meta's interview rounds are crystal clear where as for Google and MS, I see all manner of rounds. There's someone who had four rounds at MS, where each round was a combination of HLD, Co

Got it. thanks.

Interview Experience,System Design,Career 2026

Are you the kind of person who likes to follow a reddit story? Who remembers previous posts? me neither. But I like the story that has an ending. [part 1](https://www.reddit.com/r/leetcode/comments/1

Got a 6-month Amazon SDE (AIML) internship — how do I maximize PPO chances?

Amazon,Internship,Ppo,System Design,Interview Prep 2026

Hi everyone, I recently received an offer for a **6-month SDE Intern role (AIML domain) at Amazon (Hyderabad)**, likely in DSP (Last Mile Tech), starting this July. I’m currently in my 3rd year, and t

Recently, I went through a Google system design interview where I was asked to design an end-to-end system for Google’s employee cab transportation service. The goal was to optimize cab allocation, ro

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