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Google Software Developer Interview Questions, Process, and Tips
Top Google Software Developer Interview Questions and Answers
- Q1. Painter's Partition Problem Given an array/list of length ‘N’, where the array/list represents the boards and each element of the given array/list represents the length o ...read more
- Q2. Special Numbers You are given an integer, ‘MAXVAL’. Your task is to determine the total number of special numbers present in the range, 1 to ‘MAXVAL’. Note: A special num ...read more
- Q3. Shopping Spree Preeti has decided to go to the Grand Mall to buy some stuff for her father’s birthday. On reaching the place, she found a fascinating shop that has an unl ...read more
87 Google Software Developer Interview Experiences
243 questions found
CodingNinjas
I was interviewed in Apr 2022.
1 Interview Round
Telephonic Call Round (1 Question)
Round duration - 45 minutes
Round difficulty - Easy
Timing 8:30-9:15
Interviewer was friendly but you can only discuss about the question with him.
interview happen on google meet.
- Q1. Technical Question below are giving versions and there commit msg arrange them ascending order and merge all commit messages with same versions.1.0.0* Initial r...read more View Answers (1)
Interview Preparation Tips
Tip 1 : Make sure you solve questions with easy level under 5-7 minutes
Tip 2 : Explain your approach before writing code
Tip 3 : Try to solve first with brute force and gradually come to optimal solution.
Tip 1 : If you have experience in product based organisation then this is a plus point
Tip 2 : Google don’t care much for your resume.
Skills evaluated in this interview
Anonymous
I applied via Company Website and was interviewed before Jun 2023.
3 Interview Rounds
Coding Test Round
Data Structures and basic algorithms like sorting and advanced topics like dynamic programming are also covered.The interview was 45 mins.
Coding Test Round
The same again regarding DSA and knowledge of OOPs was also required
HR Round (2 Questions)
- Q1. Why should we hire you Add Answer
- Q2. Give reasons for not selecting you Add Answer
Get interview-ready with top interview questions
1 Interview Round
HR Round (2 Questions)
- Q1. What is your Expected Salary? Add Answer
- Q2. What is your current salary? Add Answer
Interview Preparation Tips
What people are saying about Google
I applied via LinkedIn and was interviewed before Mar 2023.
1 Interview Round
Technical Round (1 Question)
- Q1. Few easy to moderate DSA questions Add Answer
Google interview questions for designations
I applied via Walk-in and was interviewed in May 2022.
2 Interview Rounds
Resume Shortlist Round
Group Discussion Round
How do project
Interview Preparation Tips
- Retail Banking Operations
How do you get this information
Selected
I applied via Approached by Company and was interviewed before May 2022.
3 Interview Rounds
Resume Shortlist Round
One-on-one Round (3 Questions)
- Q1. Tell me about yourself Add Answer
- Q2. What is your experience Add Answer
- Q3. Elaborate your day to day job Add Answer
Coding Test Round
1-2 hrs of interview across data structure
Interview Preparation Tips
I was interviewed in Mar 2021.
2 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 75 minutes
Round difficulty - Medium
A 24 hour window was given to us and we can attempt the test anytime in between. It included 2 coding questions. One was easy-medium level and the other one was hard. Along with this 7 debugging MCQ's were given, however they were easy.
- Q1. Minimum and Maximum Cost to buy N Candies Ram went to a specialty candy store in Ninjaland which has 'N' candies with different costs. The Candy shop gi...read more View Answers (2)
- Q2. Swap And Maximise You are given a circular array consisting of N integers. You have to find the maximum sum of the absolute difference between adjacent elements...read more View Answers (1)
Coding Test Round (1 Question)
Round duration - 75 minutes
Round difficulty - Hard
- Q1. Connect N Ropes With Minimum Cost You have been given 'N' ropes of different lengths, we need to connect these ropes into one rope. The cost to connect ...read more View Answers (2)
Interview Preparation Tips
Tip 1 : practice regularly in kickstart rounds
Tip 2 : solve previous year problems
Tip 3 : coding ninjas also has google asked problems
Tip 1 : Do not fake any skills, projects or achievements. The interviewer gets to know about it by asking questions to you.
Tip 2 : Have at-least one good project on resume with all the details like technologies used and purpose.
Tip 3 : Don't write achievements which doesn't relate to your role. Write achievements which shows communication skills, leadership or teamwork.
Skills evaluated in this interview
I was interviewed in Dec 2020.
3 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
This round was held on Hackerearth from 2:00 PM to 3:00 PM
This round had 2 questions of easy/medium difficulty. Both were based on concepts of DP.
The use of offline IDE was prohibited so we were supposed to code it on Hackerearth IDE itself.
- Q1. Min Steps to one using DP You are given a positive integer 'N’. Your task is to find and return the minimum number of steps that 'N' has to take to ...read more View Answers (2)
- Q2. Longest Palindromic Substring You are given a string (STR) of length N. Your task is to find the longest palindromic substring. If there is more than one palind...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
The round was held on Google Meet and I was given 2 coding problems for which first I had to explain my approach and then I had to write code in Shared Google Docs and dry run on sample test cases and discuss Time and Space Complexity.
There were 2 interviewers and both were very friendly and helpful and tried to bring us to our comfort level first.
- Q1. Boyer Moore Algorithm for Pattern Searching You are given a string ‘text’ and a string ‘pattern’, your task is to find all occurrences of pattern in the string ...read more View Answers (2)
- Q2. Median in a stream Given that integers are read from a data stream. Your task is to find the median of the elements read so far. Median is the middle value in a...read more View Answers (3)
Coding Test Round (3 Questions)
Round duration - 90 minutes
Round difficulty - Hard
This round was also virtual. It has some difficult questions when compared to the previous rounds.
This was also held on Google Meet with shared docs for writing code.
There were 2 interviewers and both were helpful.
- Q1. Shortest alternate colored path Consider a directed graph of ‘N’ nodes where each node is labeled from ‘0’ to ‘N - 1’. Each edge of the graph is either ‘red’ or...read more View Answers (2)
- Q2. Spell Checker You are given a list of strings, ‘DICTIONARY[]’ that represents the correct spelling of words and a query string ‘QUERY’ that may have incorrect s...read more View Answers (1)
- Q3. The Skyline Problem You are given 'N' rectangular buildings in a 2-dimensional city. Your task is to compute the skyline of these buildings, eliminating...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Reading other’s interview experiences is one of the best ways to get yourselves ready for the next job interview. Practice daily atleast 5 questions.
Tip 2 : Most commonly asked topics in Google Interviews ( as per the mail I received from my recruiter ) :
BFS/DFS/Flood fill, Binary Search, Tree traversals, Hash tables, Linked list, stacks, queues, two pointers/sliding window
Binary heaps, Ad hoc/string manipulations.
Tip 3 : Highly recommended sites for practicing questions ( usually practice medium and hard level questions) -
Leetcode (highly encouraged)
Geeksforgeeks (highly encouraged)
CodeZen( highly encouraged)
Codeforces
Tip 1 : Mention past working experience in detail as how you were important to your previous company.
Tip 2 : Try to keep your resume to 1 page if work experience < 5 years
Tip 3 : Update your resume according to role you are applying for and never put false things on resume.
Skills evaluated in this interview
I was interviewed in Nov 2020.
3 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
This round was held on Hackerearth from 2:00 PM to 3:00 PM
This round had 2 questions of easy/medium difficulty. Both were based on concepts of DP.
The use of offline IDE was prohibited so we were supposed to code it on Hackerearth IDE itself.
- Q1. Min Steps to one using DP You are given a positive integer 'N’. Your task is to find and return the minimum number of steps that 'N' has to take to ...read more View Answers (2)
- Q2. Longest Palindromic Substring Given a string ’S’ consisting of lower case English letters, you are supposed to return the longest palindromic substring of ‘S’. ...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
The round was held on Google Meet and I was given 2 coding problems for which first I had to explain my approach and then I had to write code in Shared Google Docs and dry run on sample test cases and discuss Time and Space Complexity.
There were 2 interviewers and both were very friendly and helpful and tried to bring us to our comfort level first.
- Q1. Pattern Matching You are given a pattern in the form of a string and a collection of words. Your task is to determine if the pattern string and the collection o...read more View Answers (2)
- Q2. Running Median You are given a stream of 'N' integers. For every 'i-th' integer added to the running list of integers, print the resulting media...read more View Answers (3)
Coding Test Round (3 Questions)
Round duration - 90 minutes
Round difficulty - Medium
This round was also virtual. It has some difficult questions when compared to the previous rounds.
This was also held on Google Meet with shared docs for writing code.
There were 2 interviewers and both were helpful.
- Q1. Shortest alternate colored path Consider a directed graph of ‘N’ nodes where each node is labeled from ‘0’ to ‘N - 1’. Each edge of the graph is either ‘red’ or...read more View Answers (2)
- Q2. Spell Checker You are given a list of strings, ‘DICTIONARY[]’ that represents the correct spelling of words and a query string ‘QUERY’ that may have incorrect s...read more View Answers (1)
- Q3. The Skyline Problem You are given 'N' rectangular buildings in a 2-dimensional city. Your task is to compute the skyline of these buildings, eliminating...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Bookmark the GFG Google Archives. It helped me a lot during my preparations. Reading other’s interview experiences is one of the best ways to get yourselves ready for the next job interview. Practice daily atleast 5 questions.
Tip 2 : Most commonly asked topics in Google Interviews ( as per the mail I received from my recruiter ) :
BFS/DFS/Flood fill, Binary Search, Tree traversals, Hash tables, Linked list, stacks, queues, two pointers/sliding window
Binary heaps, Ad hoc/string manipulations.
Tip 3 : Highly recommended sites for practicing questions ( usually practice medium and hard level questions) :
Leetcode (highly encouraged)
Geeksforgeeks (highly encouraged)
CodeZen( highly encouraged)
Codeforces
Tip 4 : This is a great bigocheatsheet that could be of great help https://www.bigocheatsheet.com/
Tip 1 : Mention past working experience in detail as how you were important to your previous company.
Tip 2 : Try to keep your resume to 1 page if work experience < 5 years
Tip 3 : Update your resume according to role you are applying for and never put false things on resume.
Skills evaluated in this interview
I was interviewed before Nov 2020.
4 Interview Rounds
Telephonic Call Round (1 Question)
Round duration - 45 minutes
Round difficulty - Medium
The interview was with a Korean employee.
- Q1. Bridges In A Graph Given an undirected graph of V vertices and E edges. Your task is to find all the bridges in the given undirected graph. A bridge in any grap...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 45 Minutes
Round difficulty - Medium
Interviewer was an Indian employee.
- Q1. Longest Palindromic Substring You are given a string (STR) of length N. Your task is to find the longest palindromic substring. If there is more than one palind...read more View Answers (3)
Video Call Round (1 Question)
Round duration - 45 Minutes
Round difficulty - Hard
Interviewer was an Indian employee.
- Q1. Alien dictionary You have been given a sorted (lexical order) dictionary of an alien language. Write a function that finds the order of characters in the alien ...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 45 Minutes
Round difficulty - Hard
Interviewer was an Indian employee.
- Q1. Ninjas's Robot Ninja has a robot that can move in an infinite number line. The robot starts at position 0, with speed = +1. The robot moves automatically accord...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Do competitive coding in 1st and 2nd year.
Tip 2 : Practice basic questions before starting complex problem.
Tip 3 : Start doing mock interviews from the end of 5th semester. It gives a lot of confidence.
Tip 1 : Adding competitive programming ranks add value.
Tip 2 : You should have some good project which you can explain nicely.
Skills evaluated in this interview
Google Interview FAQs
Some of the top questions asked at the Google Software Developer interview -
The duration of Google Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Interview Process at Google Software Developer
based on 56 interviews in last 1 year
3 Interview rounds
- Coding Test Round 1
- Coding Test Round 2
- HR Round
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Google Software Developer Reviews and Ratings
based on 173 reviews
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206
salaries
| ₹12 L/yr - ₹50 L/yr |
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