Have you ever dreamt of working at the forefront of tech, tackling problems that impact millions? For many aspiring software engineers, Google is that dream. But between you and that coveted role lies the Google Interview Process, looks like a hurdle that can leave even the most ready person might feel lost in a storm of questions.
Fear not, future Googlers! This blog will help you conquer the Google interview. We’ll dissect the various stages, crack open the mysteries of common interview questions, and equip you with the tips and tricks to navigate your path to Google greatness. Get your laptop ready, sharpen your coding skills with the Google Interview Questions given here and get hired!
About Company
Google, founded by Larry Page and Sergey Brin in 1998, is a major American tech company providing various internet services and products. These include search engines (like Google Search), cloud computing, software, hardware, and online advertising.
Google is among the “Big Five” US tech firms, along with Amazon, Apple, Microsoft, and Facebook. In 2015, it became part of Alphabet Inc., with Sundar Pichai serving as CEO for both companies.
Apart from its main search engine, Google’s success stems from effective product development, acquisitions, and partnerships. This has positioned Google as one of the world’s top brands, ranked second by Forbes and fourth by Interbrand.
Google’s diverse product range might pique your interest in working there. Google Hiring Process reflects their dedication to fostering a strong company culture. They value diversity and inclusion, actively seeking talented individuals from various backgrounds. As Google employees attest, a diverse workforce and fair hiring practices are vital for creating products that cater to everyone.
What are the various Google Recruitment Process?
Google hires candidates through various options like recruiter connect, coding competition, and google careers.
Hiring through Recruiter Connect: You can connect with the recruiter online or through employee referrals. Recruiters may search professional networking sites like LinkedIn to discover qualified candidates. Google employees can recommend talented individuals for open positions. Recruiters of Google Hiring Process source candidates online and via referrals, but proactive applicants get noticed faster. So, introduce yourself and express your interest in relevant opportunities. Apply for jobs on the Google Careers page; this ensures your application reaches the hiring team directly.
Note: Recruiter connect or employee referral alone does not provide employment opportunity. You need to pass the interview rounds for your desired position.
Hiring through Google Kickstart: Google Kickstart is a coding competition, a Google Recruitment Process for programmers. If you are a programmer, then Consider participating in Google Kickstart. This coding competition, held six times a year, can showcase your problem-solving skills and grab the attention of recruiters. Strong performance can lead to recruiter outreach.
Hiring through Google Careers: Google has a total of 7 rounds. The first two are telephonic interviews where the interviewer mostly asks one medium or two easy Algo DS problems to the candidate and the candidate has 45 minutes to solve the problems. However if the performance in Kickstart is good, these rounds are skipped and you directly move to the next rounds. Next, we have 5 onsite interviews out of which 4 are Algo DS interviews and 1 is a googleyness interview, googleyness interview is mostly a behavioural interview.
- Telephonic Interviews (Two Rounds): During these two 45-minute phone interviews, the interviewer will present a Google Doc to the candidate, posing either a medium problem or two easy problems related to Algorithms and Data Structures. The candidate should explain the solution to the problem and subsequently code the solution directly onto the Google Doc within the allotted interview time. If you have an upcoming interview, practice writing code directly on Google Docs, as it offers a distinct experience from coding in a traditional text editor.
- Algorithm and Data Structure Interviews (Three or Four Rounds): These interviews last 45 minutes each. The interviewer shares a Google Doc, posing problems of varying difficulty in Algorithms and Data Structures, typically ranging from medium to hard. The expectation is that the candidate initially explains the solution to the problem for the interviewer and then proceeds to code the solution directly onto the Google Docs within the interview timeframe.
- Googleyness Interviews (One Round): Google introduced this interview format in 2020. Primarily, it focuses on behavioural aspects to assess the candidate’s alignment with the company’s culture.
After Interviews:
After the interviews, the recruiter will reach out to provide feedback. If your performance is satisfactory and you pass the interviews, your profile will proceed to various teams within Google for the team matching phase. During this stage, the team evaluates your work style and interests while you gain insight into their needs and expectations for the role. Once both you and the team are at ease and prepared to commence, the recruiters deliver the offer letter.
Google Interview Questions:
Easy Level:
Looking to ace the early stages of your Google interview? Here are some classic Easy Level Google Interview Questions that can help you showcase your problem-solving skills and understanding of fundamental coding concepts. Practicing these questions will ensure you can answer them confidently and efficiently within the interview timeframe.
- Three Sum: Find triplets (a, b, c) where a + b + c = 0.
- Binary String Generation: Create all possible binary strings based on a given pattern.
- String Formation Constraints: Count valid strings formed using characters ‘a’, ‘b’, and ‘c’ under specific rules.
- Longest Word in Dictionary: Find the longest dictionary word obtainable by deleting characters from a given string.
- Subarray with Given Sum: Locate a subarray with a specific sum within an array of non-negative numbers.
- Longest Substring with k Unique Characters: Identify the longest substring containing exactly k unique characters.
- Two Unique Elements: Find the two elements that appear only once in an array of repeating elements.
- Flood Fill Algorithm: Implement the “fill” function for paint-like functionality.
- Meta Strings: Determine if two strings can become identical after swapping a single character in one string.
- Jumping Numbers: Print all “jumping numbers” (integers where adjacent digits differ by 1) less than or equal to a given value.
- Tree Path Sum: Calculate the sum of all numbers formed by traversing root-to-leaf paths in a tree.
- The Celebrity Problem: Identify the celebrity in a party setting where a celebrity knows no one but everyone knows the celebrity.
- Unbounded Knapsack (Repetitions Allowed): Solve the knapsack problem where items can be chosen multiple times.
Medium Level:
Mastering these Medium Level Google Interview Questions will demonstrate your ability to tackle more complex problems and apply your knowledge of algorithms and data structures. Remember, not only are correct answers important, but also your thought process and ability to explain your approach.
- Sudoku Solver (Backtracking): Solve a Sudoku puzzle using backtracking techniques.
- Boggle Word Search (Trie): Find words in a Boggle board using a Trie data structure.
- Duplicate Subtrees in Binary Tree: Check if a binary tree contains duplicate subtrees with a size of 2 or more.
- String Interleaving (Dynamic Programming): Verify if a string can be formed by interleaving two other strings.
- Connect Nodes at Same Level: Connect nodes at the same level in a binary tree.
- BST Node Count in Range: Count the number of nodes within a specific range in a Binary Search Tree (BST).
- Egg Dropping Puzzle (Dynamic Programming): Solve the egg-dropping puzzle to find the minimum number of drops needed to determine the safe floor.
- Minimum Insertions for Palindrome (Dynamic Programming): Find the minimum number of insertions required to make a string a palindrome.
- Optimal Game Strategy (Dynamic Programming): Develop an optimal strategy for a given game.
- Word Break Problem (Dynamic Programming): Determine if a string can be formed by concatenating dictionary words.
- Four Sum (Optimised): Find four elements in an array that sum to a specific value with improved time complexity.
- Replace ‘O’ with ‘X’ (Matrix): Replace ‘O’ characters surrounded by ‘X’ in a matrix with ‘X’.
- Maximum As with Four Keys: Print the maximum number of ‘A’s possible using four given keys.
- Rotate Matrix (In-place): Rotate a square matrix by 90 degrees in-place.
- Maximum Subarray Difference: Find the maximum absolute difference between the sum of two contiguous subarrays.
- Merge BSTs (Limited Space): Merge two BSTs with minimal extra space.
- Merge Overlapping Intervals: Combine overlapping intervals into a single interval list.
- Modular Exponentiation: Calculate the power of a number in modular arithmetic.
- Paper Cut Minimization: Divide a paper sheet into the minimum number of squares.
- Sum of Bit Differences: Compute the sum of bit differences between all pairs in an array.
Hard Level:
These Hard Level Google Interview Questions will test your advanced programming skills and problem-solving creativity. While not everyone encounters these questions during the interview process, being prepared for them demonstrates exceptional talent and dedication.
- Minimum Page Allocation: Allocate the minimum number of pages to students such that no student receives more than a specific page limit.
- Maximum Spread (Sorted Array): Find the maximum difference between two indices (j – i) where arr[j] > arr[i] in a sorted array.
- Alien Language Ordering: Determine the character order in an alien language given a sorted dictionary.
- Hungarian Algorithm (Introduction): Introduce the Hungarian Algorithm for solving the assignment problem.
- LRU Cache Implementation: Implement a Least Recently Used (LRU) cache.
- Longest Valid Substring: Find the length of the longest valid substring (balanced parentheses).
- Median in a Stream: Maintain the median of a stream of integers as they arrive.
You can take Google Mock Interviews as this can be a powerful tool, providing real-world practice, pinpointing weaknesses, and boosting your confidence for the actual interview.
Google Interview Preparation Tips
Now that you’re familiar with Google Hiring Process, here are some tips to help you ace their interview and land the job:
Understand Google’s work culture: Take the time to grasp how Google operates and what they expect from their employees. Showing genuine interest in the company impresses interviewers.
Master Data Structures and Algorithms: Google values strong problem-solving skills. Demonstrating proficiency in Data Structures and Algorithms, along with showcasing relevant projects, enhances your credibility with Google.
Use the STAR method for responses: STAR stands for Situation, Task, Action, and Result. This approach offers a systematic method for addressing behavioural-based Google Interview Questions. Be thorough and illustrate the impact of your experiences.
Highlight your strengths: Don’t be shy about discussing your strengths during the interview. If you don’t advocate for yourself, your skills may go unnoticed. Be honest and articulate about your strengths when necessary.
Keep the conversation flowing: Treat the interview as a dialogue rather than a test. Even if you provide excellent solutions, ensure the interviewer understands your thought process. Engage with the interviewer and don’t hesitate to ask questions to keep the conversation dynamic and productive.
Frequently Asked Questions
- How many interview rounds does Google conduct?
Google typically conducts 6-7 rounds of interviews, including 2 Telephonic Interviews, 3 or 4 DS & Algo Interviews, and 1 googleyness Interview.
- What motivates you to start a career at Google?
The array of high-quality products Google employees work on daily, coupled with vast opportunities for growth and development, make Google an enticing choice. Additionally, Google’s renowned work culture and competitive compensation further contribute to its appeal.
- Can I apply for multiple roles at Google simultaneously?
Yes, candidates can apply for multiple roles at Google that align with their interests and skills. They undergo evaluation for each role and can participate in interviews for different positions concurrently. However, applicants should note that within a thirty-day period, they can apply for a maximum of three roles at Google.
- What questions should one ask the interviewer at Google?
It’s beneficial to inquire about the company culture, current technologies driving product development, and future innovations at Google. Additionally, discussing the interviewer’s personal experience at Google and seeking advice on skill development before joining the job can be insightful.
- What is the salary for freshers in Google?
The average Google Salary for Freshers in India is around ₹17.2 lakhs per year.
- What is “Googleyness”?
“Googleyness” encompasses qualities that distinguish individuals and enable them to thrive within Google’s distinctive work culture. While not officially confirmed by Google, some of these qualities include striving for excellence, goal-oriented behavior, proactiveness, altruism, valuing others, transparency, honesty, and fairness.
How to apply?
Visit google careers, browse through the vast array of roles and filter them based on your skills and interests. Find the perfect fit for your talents and then apply.
The Google interview process can be a challenging journey, but with the right preparation you can navigate it with confidence. Focus on practicing coding problems, refining your communication skills, and anticipating behavioral questions. Research Google and the specific role to demonstrate your genuine interest. Remember, staying calm and showcasing your problem-solving skills are key to making a lasting impression. By following these interview tips, you’ll be well-equipped to ace the Google interview process and potentially land your dream tech role.
