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Matrix ComSec Software Developer Interview Questions and Answers

Updated 22 Apr 2024

Matrix ComSec Software Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Mar 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. NodeJS event loop
  • Q2. What isClosure explain with example
  • Ans. 

    A closure is a function that has access to its own scope, as well as the outer function's scope.

    • Closure allows a function to access variables from its outer function even after the outer function has finished executing.

    • Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }

    • When innerFunction is called, it can still access outerVar even though outerF

  • Answered by AI

Software Developer Jobs at Matrix ComSec

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Interview questions from similar companies

I applied via Referral and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Do you know anything about cloud computing?
  • Ans. 

    Yes, cloud computing refers to the delivery of computing services over the internet.

    • Cloud computing allows users to access data and applications from anywhere with an internet connection.

    • It offers scalability, flexibility, and cost-effectiveness compared to traditional on-premises computing.

    • Examples of cloud computing services include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Very chill interview on the basis of profile.
Learn about new technology like cloud etc.

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Basic OOPs concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in basics.

I applied via Recruitment Consultant and was interviewed in Nov 2019. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Basic C++, and Data structure focus on pointers and virtual function, vptr, vtable
  • Q2. Prepare about ur current project and process followed for entire development process thoroughly
  • Q3. Prepare common tools like. Linux, git, gdb
  • Q4. Prepare basics of data structures, OOPS, design patterns used

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep a steady approach, focus more and more on basics and working principle of concepts

I was interviewed before Jan 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 70 Minutes
Round difficulty - Medium

This was an Online Coding+MCQ round where we had a total of 50 MCQ questions and 1 coding problem. The coding problem was of easy to medium level but was a bit implementation heavy.

  • Q1. 

    LRU Cache Design Question

    Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    1. get(key) - Return the value of the key if it exists in the cache; otherw...

  • Ans. 

    Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.

    • Implement a doubly linked list to maintain the order of recently used keys.

    • Use a hashmap to store key-value pairs for quick access.

    • When capacity is reached, evict the least recently used item before inserting a new item.

    • Update the position of a key in the linked list whenever it is accessed or updated.

    • H...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round had 1 coding question in which I was first required to explain my approach and then discuss the time and space complexities. After this , some basic questions from OOPS and Java were asked.

  • Q1. 

    Detect and Remove Loop in Linked List

    For a given singly linked list, identify if a loop exists and remove it, adjusting the linked list in place. Return the modified linked list.

    Expected Complexity:

    A...

  • Ans. 

    Detect and remove loop in a singly linked list in place with O(n) time complexity and O(1) space complexity.

    • Use Floyd's Cycle Detection Algorithm to identify the loop in the linked list.

    • Once the loop is detected, use two pointers to find the start of the loop.

    • Adjust the pointers to remove the loop and return the modified linked list.

  • Answered by AI
  • Q2. What is the difference between ArrayList and LinkedList in Java?
  • Ans. 

    ArrayList is implemented using a dynamic array while LinkedList is implemented using a doubly linked list.

    • ArrayList provides fast random access but slow insertion and deletion operations.

    • LinkedList provides fast insertion and deletion operations but slow random access.

    • Example: ArrayList is suitable for scenarios where frequent access and traversal of elements is required, while LinkedList is suitable for scenarios wher...

  • Answered by AI
  • Q3. What is the difference between abstraction and inheritance?
  • Ans. 

    Abstraction focuses on hiding implementation details, while inheritance allows a class to inherit properties and behavior from another class.

    • Abstraction is the concept of hiding the complex implementation details and showing only the necessary features of an object.

    • Inheritance is a mechanism where a new class inherits properties and behavior from an existing class.

    • Abstraction is achieved through interfaces and abstract...

  • Answered by AI
Round 3 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round had questions from OS and OOPS. The interviewer also tested my problem solving skills by asking me some puzzles in the end.

  • Q1. Can you explain piping in Unix/Linux?
  • Ans. 

    Piping in Unix/Linux allows the output of one command to be used as the input for another command.

    • Piping is done using the | symbol

    • Multiple commands can be piped together

    • Piping allows for the creation of complex command chains

    • Example: ls -l | grep txt

  • Answered by AI
  • Q2. What is a static variable in C?
  • Ans. 

    A static variable in C is a variable that retains its value between function calls.

    • Static variables are declared using the 'static' keyword.

    • They are initialized only once and retain their value throughout the program's execution.

    • Static variables have a default value of 0 if not explicitly initialized.

    • They are stored in the data segment of the program's memory.

    • Example: static int count = 0; declares a static variable 'c

  • Answered by AI
  • Q3. How can you measure exactly 4 liters of water using only a 3-liter can and a 5-liter can?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPACisco interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Nov 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

The test was in the evening which was not too late. It was conducted on Hackerrank which is a very common platform and was hence familiar. There were 26 questions:
Q1: Coding Question
3 languages were allowed: c, java8, python3
Q2 - Q26: Multiple Choice Questions

  • Q1. 

    Intersection of Linked List Problem

    You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.

    Your task is to determine t...

  • Ans. 

    Find the node where two linked lists merge, return -1 if no merging occurs.

    • Traverse both lists to find the lengths and the last nodes

    • Align the starting points of both lists by moving the longer list's pointer ahead by the difference in lengths

    • Traverse both lists simultaneously until a common node is found, which is the merging point

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaDegree & Specialisation : B.Tech (Computer Science) B.Tech (Information Technology) B.Tech (Electronics & Communication) B.Tech (Electrical & Electronics) MCA M.Sc (Computer Science), Year of Graduation : 2021, CGPA : 7.5 and above, No Current BacklogsCisco interview preparation:Topics to prepare for the interview - Data Communication and Networks, Data Structures, SQL, OOPS, C, C++, JavaTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Practice competitive programming as much as possible. It's never too late. Start now. But it is important to practice before appearing for the paper.
Tip 2 : Try to start making projects early on as it plays a major role during the interviews. 
Tip 3 : Be involved in extra curricular activities and events like Hackathons even if you don't win all of them. It gives a lot of exposure and experience.
Tip 4 : Don't lose touch with your core subjects.
Tip 5 : An internship/training from a good organization always helps (though don't lose hope if you don't have it).
Tip 6 : Focus on your communication skills along with your core subjects as it helps in giving a good impression during the interviews.

Application resume tips for other job seekers

Tip 1 : Maintain a good CGPA (above 7.5)
Tip 2 : Mention your projects as they are noticed in the interview
Tip 3 : Having an internship experience especially from a good organization helps
Tip 4 : Focus on extra curricular activities too
Tip 5 : Do not put things you are not sure about

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. C++ Basic , malloc, calloc
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 

Profit loss, directions, all basic aptitude.

Round 3 - Technical 

(2 Questions)

  • Q1. Tell me about your self
  • Q2. What do you know about cloud
  • Ans. 

    Cloud computing is the delivery of computing services over the internet.

    • Cloud computing allows users to access and store data and applications on remote servers.

    • It offers scalability, flexibility, and cost-effectiveness compared to traditional on-premises solutions.

    • Examples of cloud services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

  • Answered by AI
Round 4 - Leadership Round 

(1 Question)

  • Q1. Where do you see yourself in 5 years
Round 5 - HR 

(1 Question)

  • Q1. Do you want to do foreign studies

Skills evaluated in this interview

I applied via LinkedIn and was interviewed in Apr 2022. There were 2 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 

(2 Questions)

  • Q1. How do you handle dynamic sharepoint permission through flows
  • Ans. 

    Dynamic SharePoint permissions can be handled through flows using the 'Grant Access to an Item or a Folder' action.

    • Use the 'Grant Access to an Item or a Folder' action in the flow

    • Set the 'Site Address' and 'List Name' for the SharePoint site and list

    • Set the 'Item ID' for the specific item you want to grant access to

    • Set the 'User or Group' field to the user or group you want to grant access to

    • Set the 'Permissions' field...

  • Answered by AI
  • Q2. How do you handle casaded dropdown
  • Ans. 

    Cascaded dropdowns are handled by populating the second dropdown based on the selection made in the first dropdown.

    • Create an event listener for the first dropdown to detect changes

    • Use AJAX to retrieve data for the second dropdown based on the selected value of the first dropdown

    • Populate the second dropdown with the retrieved data

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Asked about Powerapps and Sharepoint technologies.

Skills evaluated in this interview

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

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

Round 1 - Coding Test 

Medium to hard dsa problem

Interview Preparation Tips

Interview preparation tips for other job seekers - do leetcode medium problem

Matrix ComSec Interview FAQs

How many rounds are there in Matrix ComSec Software Developer interview?
Matrix ComSec interview process usually has 1 rounds. The most common rounds in the Matrix ComSec interview process are One-on-one Round.
How to prepare for Matrix ComSec Software Developer 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 Matrix ComSec. The most common topics and skills that interviewers at Matrix ComSec expect are .Net Core, Angular, Angularjs, C++ and Device Drivers.
What are the top questions asked in Matrix ComSec Software Developer interview?

Some of the top questions asked at the Matrix ComSec Software Developer interview -

  1. what isClosure explain with exam...read more
  2. NodeJS event l...read more

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Matrix ComSec Software Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
Matrix ComSec Software Developer Salary
based on 35 salaries
₹2.9 L/yr - ₹7.9 L/yr
27% less than the average Software Developer Salary in India
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Matrix ComSec Software Developer Reviews and Ratings

based on 9 reviews

3.5/5

Rating in categories

3.5

Skill development

2.9

Work-life balance

3.2

Salary

4.1

Job security

3.8

Company culture

2.9

Promotions

3.5

Work satisfaction

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