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3Di Systems Interview Questions and Answers

Updated 30 Jan 2025

3Di Systems Interview Experiences

Popular Designations

5 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Jan 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Performance tuning techniques
  • Ans. 

    Performance tuning techniques for database developers

    • Optimizing SQL queries by using indexes and proper query structure

    • Regularly monitoring and analyzing database performance metrics

    • Using caching mechanisms to reduce database load

    • Partitioning large tables to improve query performance

    • Optimizing database schema design for efficient data retrieval

  • Answered by AI
  • Q2. Stored procedure, function and triggers
Round 2 - Behavioral 

(1 Question)

  • Q1. Mostly about previous project and some technical questions.
Round 3 - HR 

(1 Question)

  • Q1. All previous company details, salary discussion other regular joining formalities.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just learn here for 1-2 years and move.
Not recommended for long term.

Database Developer Interview Questions asked at other Companies

Q1. - Waterfall model - What is cursor in SQL - Normalization and denormalization - SDLC Lifecycle - Why we need SQL - Function and procedure in SQL - What are the main blocks of T-sql or Pl-sql - Column in left table is NULL and Column in righ... read more
View answer (1)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Apr 2023. 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. Appium Questions Selenium Questions Java Code Frameworks related Questions TestNg MAVEN Cmd
Round 3 - One-on-one 

(1 Question)

  • Q1. Roles and Responsibilities

Automation Test Analyst Interview Questions asked at other Companies

Q1. Explain automation testing
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. 1. Introduce Yourself?
  • Q2. 2. Why we should hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - Give yourself and keep it simple

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)

I applied via Campus Placement and was interviewed before Sep 2021. There were 5 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 - Aptitude Test 

Basic Aptitude Questions and the duration was 1 hr

Round 3 - Coding Test 

3 coding questions were asked. common topics such as recursion, string manipulation and arrays

Round 4 - Technical 

(1 Question)

  • Q1. Technical interview revolving around OOPS, DBMS, and Operating Systems. The duration was 1 hour
Round 5 - HR 

(1 Question)

  • Q1. This was the final round wherein basic HR questions were asked. What do you do in your free time, strengths and weaknesses, and other scenario-based questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a basic understanding of all the CS-related concepts

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)

3Di Systems interview questions for popular designations

 Software Engineer

 (3)

 Automation Test Analyst

 (1)

 Database Developer

 (1)

I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. - Questions based on technologies and projects added on Resume. - Detail discussion on last year project of college
Round 2 - Coding Test 

Java based questions
- Pattern
- Arithmetic

Round 3 - HR 

(4 Questions)

  • Q1. What are your strengths and weaknesses?
  • Q2. Where do you see yourself in 5 years?
  • Q3. What is your family background?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for 3Di Systems Software Engineer interview:
  • Java
  • Angular
  • Android
  • IOS
Interview preparation tips for other job seekers - Keep your basics strong. It will help to understand more and to crack the interview.

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)

Interview questions from similar companies

Interview Questionnaire 

2 Questions

  • Q1. What is precompilaion unit?
  • Ans. 

    Precompilation unit is a compiled code that can be reused by multiple source files.

    • Precompilation unit is created by the compiler from the source code.

    • It contains the compiled code of header files and other dependencies.

    • It can be reused by multiple source files, reducing compilation time.

    • It is also known as precompiled header or PCH.

    • Example: stdafx.h in Visual Studio is a precompiled header file.

  • Answered by AI
  • Q2. About ur future,ur short term goal,why this company

Interview Preparation Tips

Skills: Resume, CGPA
College Name: IIT Kharagpur

Interview Questionnaire 

3 Questions

  • Q1. First 50 Prime Number
  • Ans. 

    The first 50 prime numbers are...

    • Start with 2, the first prime number

    • Check each odd number greater than 2

    • Use trial division to check if a number is prime

    • Stop when you have found 50 prime numbers

  • Answered by AI
  • Q2. How to sort the file in the range (hint provided)
  • Ans. 

    Sorting a file within a range

    • Use a sorting algorithm like quicksort or mergesort

    • Read the file and store the data in an array or list

    • Sort the array or list within the given range

    • Write the sorted data back to the file

  • Answered by AI
  • Q3. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js, Express, and MongoDB

    • Familiar with version control systems like Git and project management tools like Jira

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Shortlist cut was 0.0 cgpa
Tips: Need to mention Programming skill in any one of three language C , C++ ,Java

Round: Test
Experience: Test was Average, Many question were from INDIABIX.COM , computer network, operating system ,data structure, c , c++ language
Tips: Understand Data Structure and Algorithm deeply, At least read about computer networks, operating system , DBMS 3-4 times for basic good understand, refer various site
Duration: 180 minutes

Round: Test
Experience: Two question were given , we have to write the code on A4 size sheet
Tips: Deep understanding of STACK AND QUEUE
Duration: 60 minutes

Round: Technical Interview
Experience: Previous Test (2 Questions on A4 size sheet) were discussed and is there any improvement that can be done, discussed each and every step.
Tips: Comments is important using programming
present with demo example (various cases)

Round: HR Interview
Experience: Be calm and show your interest in the company,
ask question about company, what are activity other than techincal technical stuff
Tips: Smile , if possible talk in Hindi - English,Try to Make the interview in discussion

General Tips: Practice Daily , Understand Each and Every Step in Detail , Try to code in A4 size paper then computer
Skill Tips: Read Good Books , Practice Daily

Skills: Algorithms And Data Structures
College Name: IIT Kharagpur

Skills evaluated in this interview

Interview Questionnaire 

19 Questions

  • Q1. Tell me about yoruself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge in algorithms and data structures

    • Passionate about learning new technologies and solving complex problems

  • Answered by AI
  • Q2. Tell me about your projects
  • Ans. 

    I have worked on various projects including a web application for inventory management and a mobile app for fitness tracking.

    • Developed a web application using React for inventory management

    • Created a mobile app using Flutter for fitness tracking

    • Implemented RESTful APIs for communication between frontend and backend systems

  • Answered by AI
  • Q3. Area of interest
  • Ans. 

    My area of interest is artificial intelligence and machine learning.

    • I have experience in developing machine learning models for predictive analytics.

    • I am interested in natural language processing and computer vision applications.

    • I enjoy exploring deep learning algorithms and neural networks.

    • I have worked on projects involving recommendation systems and image recognition.

  • Answered by AI
  • Q4. What are features of C++?
  • Ans. 

    C++ is a high-level programming language with features like object-oriented programming, templates, and memory management.

    • C++ supports object-oriented programming concepts like encapsulation, inheritance, and polymorphism.

    • Templates allow generic programming and code reusability.

    • C++ provides low-level memory manipulation through pointers.

    • Standard Template Library (STL) provides a collection of classes and functions for ...

  • Answered by AI
  • Q5. What is Big Data?
  • Ans. 

    Big Data refers to large and complex data sets that cannot be processed using traditional data processing methods.

    • Big Data is characterized by the 3Vs - Volume, Velocity, and Variety.

    • It requires specialized tools and technologies such as Hadoop, Spark, and NoSQL databases.

    • Examples of Big Data include social media data, sensor data, and financial market data.

  • Answered by AI
  • Q6. Write a program for reversing a string without using string function
  • Ans. 

    Program to reverse a string without using string function

    • Iterate through the string from end to start and append each character to a new string

    • Use a loop to swap the first and last characters, then move towards the middle until the entire string is reversed

    • Convert the string to a character array, then swap the first and last elements until the entire array is reversed

  • Answered by AI
  • Q7. What is your role in final year project?
  • Ans. 

    I was responsible for designing and implementing the project's database and backend functionality.

    • Designed the database schema and created the necessary tables

    • Implemented the backend functionality using Java and Spring framework

    • Collaborated with team members to integrate the frontend and backend components

    • Tested the application and fixed any bugs or issues that arose

    • Presented the project to the faculty and received pos

  • Answered by AI
  • Q8. What are keys in database and why do we use them?
  • Ans. 

    Keys in a database are unique identifiers used to establish relationships between tables and ensure data integrity.

    • Keys are used to uniquely identify records in a database table.

    • Primary keys are used to uniquely identify each record in a table.

    • Foreign keys establish relationships between tables.

    • Keys help enforce data integrity and maintain consistency in the database.

    • Examples of keys include primary keys, foreign keys,

  • Answered by AI
  • Q9. What are issues in cloud?
  • Ans. 

    Issues in cloud include security, downtime, vendor lock-in, and data privacy.

    • Security concerns such as data breaches and unauthorized access

    • Downtime and service interruptions affecting business operations

    • Vendor lock-in and limited flexibility in choosing cloud providers

    • Data privacy and compliance with regulations such as GDPR and HIPAA

  • Answered by AI
  • Q10. Brief introduction of your project and algorithms used in project
  • Ans. 

    Developed a web application for online shopping using React and Node.js

    • Implemented user authentication and authorization using JSON Web Tokens (JWT)

    • Used MongoDB as the database to store user and product information

    • Implemented a search feature using Elasticsearch to provide fast and accurate search results

    • Integrated Stripe payment gateway for secure online transactions

  • Answered by AI
  • Q11. Flow diagram of final year project
  • Ans. 

    The flow diagram of my final year project showcases the step-by-step process of its execution.

    • The flow diagram illustrates the sequence of activities and their dependencies.

    • It helps in understanding the overall structure and logic of the project.

    • Each step in the diagram represents a specific task or action.

    • Arrows indicate the flow of control or data between different steps.

    • Decision points are represented by diamond-sha...

  • Answered by AI
  • Q12. Why do we normalise our database?
  • Ans. 

    Normalisation reduces data redundancy and improves data integrity in a database.

    • Prevents data duplication and inconsistencies

    • Simplifies database maintenance and updates

    • Improves query performance

    • Enforces data integrity and consistency

    • Follows best practices for database design

    • Examples: breaking down a customer table into separate tables for orders, addresses, and payments

    • Examples: creating a separate table for product ca...

  • Answered by AI
  • Q13. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies like HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge of algorithms and data structures

    • Familiar with agile development methodologies and version control systems like Git

  • Answered by AI
  • Q14. Tell me your 5 qualities so that i should hire you
  • Ans. 

    I am a problem solver, team player, quick learner, detail-oriented, and have strong communication skills.

    • Problem solver - I enjoy tackling complex problems and finding innovative solutions.

    • Team player - I work well with others and value collaboration in achieving goals.

    • Quick learner - I am able to pick up new technologies and concepts quickly.

    • Detail-oriented - I pay attention to the smallest details to ensure high-qual...

  • Answered by AI
  • Q15. Do you have any engineering background
  • Ans. 

    Yes, I have a Bachelor's degree in Computer Engineering.

    • Bachelor's degree in Computer Engineering

    • Experience in software development

    • Knowledge of engineering principles applied to software design

  • Answered by AI
  • Q16. How was your day?
  • Ans. 

    My day was productive and challenging, with a lot of problem-solving and collaboration.

    • Completed a major coding project ahead of schedule

    • Participated in a brainstorming session with team members

    • Solved a tricky bug in the codebase

    • Attended a virtual meeting with stakeholders

  • Answered by AI
  • Q17. Do you have relatives in Pune? or what about your accomodation?
  • Ans. 

    No, I do not have any relatives in Pune. I have arranged for my accommodation in a rented apartment near the office.

    • No relatives in Pune

    • Accommodation arranged in a rented apartment near the office

  • Answered by AI
  • Q18. Do you know about My Passion Challenge test?
  • Ans. 

    Yes, My Passion Challenge test is a coding competition for software engineers.

    • My Passion Challenge test is a coding competition that evaluates the coding skills of software engineers.

    • It is designed to test problem-solving abilities, algorithmic thinking, and coding proficiency.

    • Participants are given a set of coding challenges to solve within a specified time limit.

    • The challenges can range from simple to complex, coveri...

  • Answered by AI
  • Q19. Any higher studies plan?
  • Ans. 

    Considering pursuing a Master's degree in Computer Science to deepen knowledge and advance career.

    • Considering pursuing a Master's degree in Computer Science

    • To deepen knowledge and advance career

    • Examples: MS in Computer Science at XYZ University, online courses in AI and Machine Learning

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: In this section, you will find questions from all technical subjects like data structures,design and analysis of algorithms, software testing and quality assurance , computer networks, database management , C , C++ , C# and java. The difficulty level is moderate.
For this section you can study from indiabix.com
In the 2nd section, we have to write a program and also have to follow constraints mentioned in the problem statement. Programs are based on file handling, structure and union , string operations,etc.
In 3rd round, you have to write an essay of about 10 lines. Essay topics are general issues like I had 'Traffic issues in India'.
Tips: Stick to your basics.
All the concepts should be clear.
Programs should be syntactically correct. Try to mention comments and also display output as expected. It adds up to your representation even if your logic goes wrong. :)
For essay writing round, there should be no grammatical mistakes.
Time management is very important.

Duration: 90 minutes
Total Questions: 75

Round: Technical Interview
Experience: My first technical round really went well. So I was qualified for Hr round.
But some candidates had to appear for 2 technical interviews.

Tips: Stay confident about your answers and also mention area of interest in your resume and go through your resume before going to interview. 60% of technical interview is on projects. They are really interested in ideas used in your projects. Explain all the projects in detail like which front end and back end used.
Every round is an elimination round. So give your best and stay confident.


Round: HR Interview
Experience: Hr round is also elimination round. And you should have good communication skills.
There is always backfiring so you have to be attentive and confident.
Always try to reply in a positive way.
Tips: You should read about the history of company and also the domains on which they are working and their recent projects.

Skills: Verbal Communication Skills
College Name: Jawaharlal Nehru Engineering College

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: An objective type written test. Around 60 questions in 1 hr which included around 10 aptitude questions and others from C, Datastructure, Operating System, Computer Network, Software Engineering, Database etc

Round: Technical Interview
Experience: Questions were mainly from Datastructure, Operating System and Database. I was asked to reverse a linked list using a stack and write some sql queries which included use of JOIN.

Round: HR Interview
Experience: At each stage, we get to know if we are still in the selection process of have been eliminated.They were looking for right logic rather than perfect syntax.

College Name: NA

Interview Preparation Tips

College Name: Vidyalankar Institute Of Technology

3Di Systems Interview FAQs

How many rounds are there in 3Di Systems interview?
3Di Systems interview process usually has 3 rounds. The most common rounds in the 3Di Systems interview process are Technical, One-on-one Round and HR.
How to prepare for 3Di Systems interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at 3Di Systems. The most common topics and skills that interviewers at 3Di Systems expect are MVC, SQL, Javascript, .Net and ASP.Net.
What are the top questions asked in 3Di Systems interview?

Some of the top questions asked at the 3Di Systems interview -

  1. Performance tuning techniq...read more
  2. Technical interview revolving around OOPS, DBMS, and Operating Systems. The du...read more
  3. Appium Questions Selenium Questions Java Code Frameworks related Questions T...read more

Tell us how to improve this page.

3Di Systems Interview Process

based on 3 interviews

Interview experience

3.7
  
Good
View more

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3Di Systems Reviews and Ratings

based on 51 reviews

3.7/5

Rating in categories

3.4

Skill development

3.8

Work-life balance

3.6

Salary

3.2

Job security

3.6

Company culture

3.2

Promotions

3.7

Work satisfaction

Explore 51 Reviews and Ratings
Plsql / Postgresql Developer - Urgent

Thane,

Navi Mumbai

3-8 Yrs

₹ 7-12 LPA

Business Analyst - 3Di Systems

Mumbai,

Navi Mumbai

6-11 Yrs

Not Disclosed

React.Js Developer - 3Di Systems

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