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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

Interview Preparation Tips

Round: Resume Shortlist
Experience: General resume shortlisting out of nearly 400 applicants. Shortlisted close to 150 students.

Round: Technical Interview
Experience: Mostly questions from the resume were asked. They just wanted to know the types of projects I had done.
Tips: Make sure you know everything about what you write in your resume.

Round: Technical Interview
Experience: Another round of technical interview. Questions were more focused on the kind of profile they were offering, mostly to judge whether you are right for the job or not.

Skills: Confidence, Core knowledge
College Name: IIT BOMBAY

I applied via Recruitment Consulltant and was interviewed in May 2022. 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Details of OoPs concept.
  • Q2. Write a program using OoPs concept
  • Ans. 

    Program using OOPs concept

    • Identify the objects and their properties

    • Create classes and define their methods

    • Use inheritance and polymorphism

    • Encapsulate data and use access modifiers

    • Example: A program to simulate a bank account

  • Answered by AI
  • Q3. How do code review in your project
  • Ans. 

    Code reviews are conducted regularly to ensure code quality and adherence to coding standards.

    • Code reviews are conducted by peers or senior developers.

    • Reviewers check for code quality, readability, maintainability, and adherence to coding standards.

    • Issues found during code review are documented and addressed by the developer.

    • Code reviews are conducted regularly, either before merging code or on a scheduled basis.

    • Tools ...

  • Answered by AI
Round 3 - Coding Test 

One programming challange just to see how good you use OOPs

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on coding practice using oops so that you can beat coding round.not focused on logic more but the way u use oops

Skills evaluated in this interview

I applied via Recruitment Consulltant and was interviewed in Nov 2022. 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 Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. Introduction about your work and Tech work
  • Ans. 

    I have been working as a Software Engineer for the past 5 years, specializing in developing web applications using Java and JavaScript.

    • Proficient in Java and JavaScript

    • Experience in developing web applications

    • Strong understanding of software development principles

    • Familiarity with agile methodologies

    • Knowledge of database management systems

    • Experience with version control systems like Git

    • Ability to work in a team and comm

  • Answered by AI
  • Q2. All Details of OOPs concepts
  • Q3. Write a code by using OOPs technology result doesn't matter approach will be considered
Round 3 - Coding Test 

Coding Round two questions with OOPs concepts

Interview Preparation Tips

Topics to prepare for Emerson Electric Co. Software Engineer interview:
  • OOPS
Interview preparation tips for other job seekers - Be confident
Be Genuine
Write code by separating UI with Logic using OOPs
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Naukri.com and was interviewed in Feb 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Technical 

(3 Questions)

  • Q1. C++ concepts pointers, program
  • Q2. Functions, looping,constructor, bit,byte, qualifiers, class,struct
  • Q3. Program to search, sort, unix
  • Ans. 

    Program to search and sort arrays in Unix environment.

    • Use Unix commands like grep and sort to search and sort arrays.

    • Example: grep 'keyword' file.txt | sort

    • Utilize shell scripting to automate the process.

  • Answered by AI

Skills evaluated in this interview

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

(1 Question)

  • Q1. On linux, process management, scheduling
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Apr 2024. There were 4 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Java Questions and coding
Round 2 - Coding Test 

30 min projects related questions

Round 3 - Technical 

(1 Question)

  • Q1. Project and behavioral questions
Round 4 - HR 

(1 Question)

  • Q1. Hr round questions
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Dsa + JavaScript related questions and outputs

Round 2 - Coding Test 

Js related coding + easy dsa

Round 3 - Behavioral 

(2 Questions)

  • Q1. Mostly about the projects you did earlier
  • Q2. What do you focus on learning in future
  • Ans. 

    I focus on learning new programming languages, technologies, and best practices to stay current in the industry.

    • Learning new programming languages such as Python or Go

    • Exploring emerging technologies like blockchain or machine learning

    • Staying updated on best practices in software development such as Agile or DevOps

    • Improving problem-solving skills through coding challenges and projects

  • Answered by AI
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Coding Test 

DSA questions mostly on problem solving these questions need proper practice

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare DSA questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Coding on dsa with easy will question

Round 2 - Technical 

(1 Question)

  • Q1. Draw a linked list
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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

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3M Software Engineer Salary
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94% more than the average Software Engineer Salary in India
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