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3M Software Engineer Interview Questions and Answers

Updated 13 Sep 2024

3M Software Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Coding Test 

Leetcode Medium quesions

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Project description
  • Ans. 

    Developed a web-based project management tool for a software development company.

    • Used Agile methodology for project management

    • Implemented user authentication and authorization

    • Integrated with third-party tools like JIRA and GitHub

    • Provided real-time project progress tracking

    • Generated reports for project analysis

  • Answered by AI
  • Q2. Python based problems
  • Q3. Embedded scenarios

Interview Preparation Tips

Interview preparation tips for other job seekers - Be frank about your self ration about your skills and maintain 2 way communication during the interview.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Salary expectation .
  • Q2. Why should I hire you?
Round 2 - One-on-one 

(2 Questions)

  • Q1. Mendix Advanced questions.
  • Q2. Everything which you mentioned in your resume.

I appeared for an interview in Jan 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 30. minutes
Round difficulty - Easy

It was in the evening, question were moderate

  • Q1. 

    Count Subsequences Problem Statement

    Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.

    Explanation:

    A subsequence of an array i...

  • Ans. 

    Count the total number of subsequences in which all elements are equal in an integer array.

    • Iterate through the array and count the frequency of each element.

    • Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).

    • Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

It was in the night around 9:00 PM.

  • Q1. 

    Pair Sum Problem Statement

    You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

    Note:
    ...
  • Ans. 

    Given an array and a target sum, find all pairs of elements that add up to the target sum.

    • Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.

    • If the complement exists, add the pair to the result list.

    • Sort the pairs based on the first element and then the second element.

    • Return the list of pairs as the final result.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as Software Engineer in DelhiEligibility criteriaNo percentage criteria(good in aptitude)Vertiv Co interview preparation:Topics to prepare for the interview - Array, oops, algorithms, data structures, stackTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Learn new things daily 
Tip 2 : Practice questions 
Tip 3 : Keep one question in mind to solve.

Application resume tips for other job seekers

Tip 1 : Description about your skills 
Tip 2 : Project details

Final outcome of the interviewSelected

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Coding Test 

2 coding questions one was greedy and 2nd one was of dp.

I applied via Company Website and was interviewed before Apr 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Electrical fundamental and AC thoery
Round 3 - HR 

(4 Questions)

  • Q1. Tell me about yourself.
  • Q2. Why are you looking for a change?
  • Q3. Why should we hire you?
  • Q4. What are your salary expectations?

Interview Preparation Tips

Interview preparation tips for other job seekers - Speak truth about privious job
Clear basic concepts of electrical

I applied via Other and was interviewed before Oct 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. How to react in a critical situation to customer. Need to explain about the issue or give solution for the issue?
  • Q2. How are you going to handle a 5 member team

Interview Preparation Tips

Interview preparation tips for other job seekers - Please prepare in management level as well

I applied via Referral and was interviewed before May 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. About line balancing
  • Q2. Kaizen
  • Q3. Manpower handling
  • Q4. Productivity achievement

Interview Preparation Tips

Interview preparation tips for other job seekers - Was good

I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. PLC programming, TPM, MTTR, MTBF
  • Q2. How to deal with chinese counterparts
  • Ans. 

    Understand cultural differences, build relationships, communicate clearly and respectfully.

    • Research and learn about Chinese culture and customs.

    • Be patient and build relationships before discussing business.

    • Communicate clearly and respectfully, avoiding direct confrontation.

    • Be aware of nonverbal communication and body language.

    • Use a translator if necessary.

    • Be prepared for negotiations and understand the importance of sa...

  • Answered by AI
  • Q3. How to deal with colleagues
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion, Why changing

Interview Preparation Tips

Interview preparation tips for other job seekers - Communication in good English language
To the point answer
Only truth
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Bad 

(2 Questions)

  • Q1. General questions
  • Q2. Related to work profile

Interview Preparation Tips

Interview preparation tips for other job seekers - Lala chhap company, pls think before too late.

3M Interview FAQs

How many rounds are there in 3M Software Engineer interview?
3M interview process usually has 1 rounds. The most common rounds in the 3M interview process are Coding Test.

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3M Software Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
3M Software Engineer Salary
based on 8 salaries
₹8.4 L/yr - ₹23.5 L/yr
90% more than the average Software Engineer Salary in India
View more details

3M Software Engineer Reviews and Ratings

based on 1 review

4.0/5

Rating in categories

4.0

Skill development

5.0

Work-life balance

3.0

Salary

5.0

Job security

5.0

Company culture

3.0

Promotions

4.0

Work satisfaction

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