Google Software Engineer Interview Questions
Google Software Engineer interview questions typically test core algorithmic problem solving, clean coding under time pressure, and — for mid-to-senior levels — system design and scalability thinking. The process is multi-stage: a recruiter screen followed by one or two timed technical screens (often live coding on a shared Google Doc), then a virtual or onsite loop with several 45-minute interviews that mix coding, design (L4/L5+), and behavioral “Googleyness” assessments. Interviewers evaluate general cognitive ability, role-related technical depth, leadership, and culture fit, and candidates should expect iterative feedback and a hiring-committee review before team matching. ([leetcopilot.dev](https://leetcopilot.dev/blog/google-coding-interview-guide-2026?utm_source=openai)) For interview preparation focus on timed practice of data-structures and algorithms, simulate coding on Google Docs, and prepare concise STAR-style stories that show impact and collaboration; senior candidates must add targeted system-design drills that discuss trade-offs, reliability, and scaling. Allow several weeks of structured practice, rehearse clear verbal explanations, and be ready to ask clar
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Find shortest subarray with at least k distinct
Problem Given an integer array nums and an integer k, find the length of the shortest contiguous subarray that contains at least k distinct integers. ...
Describe a conflict with a colleague
In a behavioral interview for a software engineering or technical role, you are asked: > Tell me about a time you had a conflict or disagreement with ...
Maximize Boundary-Difference Subarray Sum
Given an integer array nums and an integer k, find the maximum possible sum of a non-empty contiguous subarray whose first and last elements differ by...
Design at-least-once notification delivery
System Design: At-Least-Once Notification System Context Design a multi-channel notification platform (email, SMS, push, in-app) that guarantees at-le...
Design distributed message queue service
Design a Distributed Message Queue Service Problem Statement Design a distributed message queue system that supports very high throughput for both pro...
Compute minimum meeting rooms on circular day
Problem You are given a list of meetings scheduled within a 24-hour day. Time is cyclic: after 23:59 the next minute is 00:00. Each meeting is represe...
Find Shortest Queue with Few Calls
You are given a list of queues of integers. For each queue, the only available operations are isEmpty() and poll(), where poll() removes and returns t...
Design a multi-timer using single underlying timer
You are given a Timer class that has access to a single underlying system timer API that can only keep one active timer at a time. Underlying single-t...
Recommend top-K movies from similarity graph
Movie Recommendation: Top K You are building a simple movie recommendation feature. Input - A set of movies 0..(M-1). - An undirected similarity graph...
Answer common collaboration behavioral questions
Behavioral interview prompts Answer the following behavioral questions with concrete examples (use the STAR or CAR framework). Focus on your specific ...
Describe a challenging recent project
Behavioral Tell me about a challenging and interesting project you worked on recently. Follow-ups - What were the hardest problems you encountered? - ...
Min boards to cover roof holes
You are given an m x n binary grid roof representing a roof surface: - roof[i][j] = 1 means the cell is intact. - roof[i][j] = 0 means the cell is a h...
Design a waitlist system with top/bottom K
Object-Oriented Design: Waitlist System Design and implement (at the class/interface level) a waitlist system that supports the following operations: ...
Find secret word with match-count feedback
Problem You are given a list of unique lowercase words, all of the same length (e.g., length = 6). One of these words is a secret word. You can intera...
Find maximum value in huge text file
You are given the path to a very large text file on disk. The file has the following properties: - Each line contains exactly one signed 64-bit intege...
Compute max coins with 3-step token moves
You are given a one-dimensional board with n positions represented by a string s of length n: - . = empty cell - T = token - C = coin You may move tok...
Maximize sum without choosing adjacent elements
Problem You are given an integer array nums where nums[i] is the value in position i. Select a subset of indices such that no two selected indices are...
How would you answer these behavioral prompts?
You are in a behavioral interview. Prepare structured answers (with concrete examples) for the following prompts. Expect follow-ups such as: Why was y...
Assign meetings to rooms with delays
You are given: - An integer n (number of meeting rooms, labeled 0..n-1). - A list of m meetings meetings[i] = [start_i, end_i) with start_i < end_i. A...
Answer project deep-dive and Why Google questions
Scenario This round is conversational (no coding). The interviewer asks about: - One or more personal projects (deep dive) - Internship experience and...