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Google SDE Interview Questions, Process, and Tips

Updated 12 Nov 2024

Top Google SDE Interview Questions and Answers

  • Q1. given a binary tree whose every node value is a number. find the sum of all the numbers that are formed from root to leaf paths
  • Q2. How you can optimise reversal process in a tree
  • Q3. find minimum no. of increment operations to make array unique

Google SDE Interview Experiences

15 interviews found

SDE Interview Questions & Answers

user image Paltasingi Poojitha 4-Year B.Tech. Electrical Engineering

posted on 12 Nov 2024

Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Find minimum no. of increment operations to make array unique
  • Ans. 

    To make an array of strings unique, count the number of duplicate elements and increment them accordingly.

    • Iterate through the array and keep track of the frequency of each element.

    • For each duplicate element, increment it to make the array unique.

    • Return the total number of increment operations needed.

  • Answered by AI
  • Q2. Given a binary tree whose every node value is a number. find the sum of all the numbers that are formed from root to leaf paths
  • Ans. 

    Sum all numbers formed from root to leaf paths in a binary tree

    • Traverse the tree from root to leaf nodes, keeping track of the current number formed

    • Add the current number to the sum when reaching a leaf node

    • Recursively explore left and right subtrees

  • Answered by AI

Skills evaluated in this interview

SDE Interview Questions & Answers

user image Debasmita Saha

posted on 29 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Graph dp and tree related mid-hard

Round 2 - Technical 

(1 Question)

  • Q1. Longest increasing subsequence
  • Ans. 

    Find the longest increasing subsequence in an array.

    • Use dynamic programming to keep track of the longest increasing subsequence ending at each index.

    • Iterate through the array and update the longest increasing subsequence for each index.

    • Return the maximum length of the longest increasing subsequence found.

  • Answered by AI

Skills evaluated in this interview

SDE Interview Questions Asked at Other Companies

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SDE Interview Questions & Answers

user image Anonymous

posted on 18 Oct 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Hard and technical question

Round 2 - Coding Test 

Hard and tecnical questions

Round 3 - HR 

(2 Questions)

  • Q1. What do you do when you are free
  • Q2. What is your weakness

SDE Interview Questions & Answers

user image Anonymous

posted on 24 Aug 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Dp , recursion , graphs and trees are must

Interview Preparation Tips

Interview preparation tips for other job seekers - practice dsa hard and medium level questions

Google interview questions for designations

 SDE Intern

 (1)

 SDE (Software Development Engineer)

 (5)

 Intern

 (24)

 Data Analyst

 (12)

 Summer Intern

 (11)

 Product Manager

 (9)

 Chief Executive Officer

 (7)

 Data Entry Operator

 (5)

SDE Interview Questions & Answers

user image Anonymous

posted on 9 Feb 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Linked list Questions
  • Q2. DP questions and some others
  • Q3. Rotating matix by 90 degree
  • Ans. 

    Rotate a matrix by 90 degrees clockwise

    • Transpose the matrix

    • Reverse each row of the transposed matrix

  • Answered by AI
  • Q4. Graphs Questions
  • Q5. Binary search questions

Skills evaluated in this interview

SDE Interview Questions & Answers

user image Anonymous

posted on 16 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. What is your experience?
  • Ans. 

    I have 5 years of experience working as a software developer, specializing in web development and database management.

    • 5 years of experience as a software developer

    • Specialize in web development and database management

  • Answered by AI
  • Q2. Why you want to looking for new positions?
  • Ans. 

    Seeking new challenges and opportunities for growth in my career.

    • Looking to expand my skill set and knowledge in a new environment

    • Interested in working on different projects and technologies

    • Seeking better career advancement opportunities

    • Want to work in a more collaborative team environment

  • Answered by AI

SDE Interview Questions & Answers

user image Anonymous

posted on 27 Sep 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Aptitude Test 

Puzzles and Quant. Easy to medium level

SDE Interview Questions & Answers

user image jennifer dsouza

posted on 26 Oct 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Dp questions graph dfs bfs

Interview Preparation Tips

Interview preparation tips for other job seekers - good

SDE Interview Questions & Answers

user image Anonymous

posted on 23 Oct 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was okay bit more medium to difficult

Round 2 - Coding Test 

Coding was on the harder side

Interview Preparation Tips

Interview preparation tips for other job seekers - study DSA

SDE Interview Questions & Answers

user image Anonymous

posted on 29 Oct 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Puzzles, Maths, Probability

Round 2 - Coding Test 

Graph, DP, Trees, Strings

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Google Interview FAQs

How many rounds are there in Google SDE interview?
Google interview process usually has 1-2 rounds. The most common rounds in the Google interview process are Coding Test, Aptitude Test and Technical.
What are the top questions asked in Google SDE interview?

Some of the top questions asked at the Google SDE interview -

  1. given a binary tree whose every node value is a number. find the sum of all the...read more
  2. How you can optimise reversal process in a t...read more
  3. find minimum no. of increment operations to make array uni...read more

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Google SDE Interview Process

based on 18 interviews

2 Interview rounds

  • Coding Test Round - 1
  • Coding Test Round - 2
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Google SDE Salary
based on 66 salaries
₹16.3 L/yr - ₹71.2 L/yr
103% more than the average SDE Salary in India
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4.2/5

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4.5

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4.4

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4.6

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Company culture

4.6

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4.6

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