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 largest subset sharing a common digit
You are given a list A of two-digit integers (each from 10 to 99). Two integers are said to “share a digit” if they have at least one digit in common ...
Find numbers with exactly two sum-of-squares forms
This question evaluates understanding of integer representations as sums of two squares and the ability to reason about counting distinct unordered re...
Compute sliding-window average excluding top k
This question evaluates a candidate's understanding of sliding-window algorithms, order-statistics maintenance, and data-structure techniques for incr...
Describe manager and cross-team communication
Cross-Functional Communication, Expectations, and Risk Management (Behavioral) Context You are interviewing for a Software Engineer role in an onsite ...
Compute shortest paths with blocked nodes
Given a graph with nodes and edges and a designated source node s, compute the shortest distance from s to every other node. Some nodes are inaccessib...
Solve Banana Speed and Interval Merge
During two technical phone screens for a new graduate software engineering role, the candidate was asked to solve two coding problems: minimum eating ...
Solve Grid and Counting Problems
A software engineering intern phone screen included two coding tasks: 1. Count islands in a grid Given an m x n grid of characters where '1' re...
Find shortest path with blocked nodes
Question Given an unweighted graph, a start node, an end node, and a block_set of nodes that cannot be traversed, return the length of the shortest pa...
Decide string transform with directional tokens and walls
Decide string transform with directional tokens and walls You are given two equal-length strings start and target of length n, each consisting only of...
Find Common Free Time Slots Across Calendars
This question evaluates a candidate's ability to work with interval merging and sweep-line techniques over multiple overlapping schedules. It tests pr...
Count Clusters of 2D Points Within a Radius
This question tests graph traversal skills, specifically identifying connected components among a set of 2D points using distance-based adjacency. It ...
Find the Longest Path of Equal-Valued Tree Nodes
Find the longest path of equal-valued nodes in a binary tree encoded as a breadth-first list. Clarify the ambiguity with strict BST terminology, then ...
Most Active Users in a Live Communication Stream
This question tests practical application of hash-based data structures and stream processing to track and rank user activity with deduplication logic...
Rearrange Tasks With Cooldown
This question evaluates task-scheduling and constraint-handling skills, testing algorithmic reasoning about arranging repeated jobs with cooldown cons...
Implement Employee Management and Expression Evaluation
This question evaluates competency in designing and maintaining hierarchical data structures and in parsing and evaluating nested function-style arith...
Solve Flower Placement and Directory Deletion
This question evaluates combinatorial constraint-satisfaction and permutation/matching skills for the flower-placement grid alongside filesystem trave...
Solve Quickselect, Tree Distance, and Prefix Substrings
You are given three independent coding tasks. 1. Implement Quickselect - Given an unsorted integer array nums and an integer k, return the k-th sma...
Count Spellings Using Chemical Element Symbols
Count Spellings Using Chemical Element Symbols Problem Given a list of valid chemical element symbols and a target word, count how many distinct ways ...
Find Maximum Envelope Nesting
This question evaluates algorithmic problem-solving skills, particularly reasoning about multi-dimensional ordering, sequence optimization, and time-c...
Compute minimum rooms for time intervals
You are given a list of meeting time intervals, where each interval is represented as [start, end) (start time inclusive, end time exclusive) and star...