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MTX Group Full Stack Developer Interview Questions and Answers

Updated 20 Oct 2021

MTX Group Full Stack Developer Interview Experiences

1 interview found

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 135 Minutes
Round difficulty - Medium

Programming Aptitude and Coding Skills

  • Q1. 

    AVL Tree Insertion Problem

    Given an AVL tree, your task is to insert an element into the AVL Tree ensuring it remains balanced.

    An AVL tree is a self-balancing binary search tree with the following prope...

Round 2 - Video Call 

(1 Question)

Round duration - 50 Minutes
Round difficulty - Easy

Javascript and Coding skills

  • Q1. 

    First Missing Positive Problem Statement

    You are provided with an integer array ARR of length 'N'. Your objective is to determine the first missing positive integer using linear time and constant space. T...

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Fullstack Developer in HyderabadEligibility criteria7 CGPAMTX interview preparation:Topics to prepare for the interview - Javascript, Data structures, MYSQL, CSS, OOPS, Strings, HTML, CSS, OSTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Practice at least 100+ DSA problems.
Tip 2 : Understanding of Javascript and other web tech.
Tip 3 : One Frontend project.

Application resume tips for other job seekers

Tip 1 : Provide the project links. It can be the Github repo or Deployed Project Link.
Tip 2 : Provide the Links of Coding platforms like Leetcode, Codechef as it gives benefits while shortlisting.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Group Discussion 

Programming questions related to Python and React.

Round 2 - Group Discussion 

Programmatical problem related to Python and React

Round 3 - HR 

(1 Question)

  • Q1. Salary Discussion
Round 4 - Aptitude Test 

Programming Problems related to react and python.

Round 5 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, Memory Management, Multiprocessing, multithreading, GIL, React Components
Round 6 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 7 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 8 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 9 - One-on-one 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy, Django ORM, Class Inheritance

Interview Preparation Tips

Interview preparation tips for other job seekers - In the name of the client Round, the internal team will contact you to conduct interview calls known as Preparation Call Round before the Client Round, aimed at creating a positive impression for the client. Typically, no additional rounds follow the HR round, but they conducted five more rounds while merely reiterating the aforementioned details, which led me to cancel my own job application.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Coding Test 

Delete nodes from linkedList if their value matches a certain condition

Round 2 - Technical 

(3 Questions)

  • Q1. Js advanced concepts
  • Q2. Java concurrency
  • Q3. Design patterns
Round 3 - Technical 

(3 Questions)

  • Q1. Implement few design patterns
  • Ans. 

    Implementing design patterns in software development

    • Singleton pattern ensures a class has only one instance and provides a global point of access to it

    • Factory pattern creates objects without specifying the exact class of object that will be created

    • Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated

  • Answered by AI
  • Q2. Questions of microservice architecture
  • Q3. Java 8 tricky coding questions

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Java related questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

It was easy to crack ill rate 2/5

Round 2 - Coding Test 

It was a short coding round pretty easy

Round 3 - Coding Test 

It was a long coding round i couldn't crack it

Round 4 - HR 

(2 Questions)

  • Q1. Introduce yourself
  • Q2. Tell me what you know about zoho

I applied via Referral and was interviewed in Jun 2022. There were 3 interview rounds.

Round 1 - Aptitude Test 

Amazon pay customer service cnt number

Round 2 - Group Discussion 

Customer care number..

Round 3 - One-on-one 

(2 Questions)

  • Q1. Calling" Amazon 091-53-56-47-89- Customer Care number to receive email from trustpilot about your reviews, inspection, tips about businesses and product, ...Calling" Amazon 09153.564.789 .Customer Care num...
  • Q2. Amazon pay customer care number

Interview Preparation Tips

Interview preparation tips for other job seekers - Calling" Amazon 091-53-56-47-89- Customer Care number to receive email from trustpilot about your reviews, inspection, tips about businesses and product, ...Calling" Amazon 09153.564.789 .Customer Care number to receive email from trustpilot about your reviews, inspection, tips about businesses and product, ...

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 120 Minutes
Round difficulty - Hard

  • Q1. 

    Matrix Rank Calculation

    Given a matrix ARR of dimensions N * M, your task is to determine the rank of the matrix ARR.

    Explanation:

    The rank of a matrix is defined as:

    (a) The maximum number of linearly...
  • Ans. Row Echelon Form

    Approach:

    • The idea is based on converting the given input matrix ARR into row echelon form.
    • Since we know that the rank of the matrix can not be greater than min(N, M). So we will check if N > M then we will transpose the input matrix ARR since we are using row echelon form so the matrix has to be transformed in such a way that in each row all the elements to the left of the diagonal element must be ze...
  • Answered Anonymously
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Medium

This is an elimination round. The interviewer will ask some technical questions and ask to solve some coding questions.
The interview was on Microsoft teams and coding was on codility.

  • Q1. 

    Check Permutation Problem Statement

    Determine if two given strings, 'str1' and 'str2', are permutations of each other.

    Explanation:

    Two strings are permutations of each other if one string's characters ...

  • Ans. Frequency Array Approach
    • The first and the foremost condition for two strings to be the permutations of each other is that the frequency of each element in both of them should be the same.
    • It can be proven by a very simple argument that we are only rearranging the letters, and not adding or deleting any character.
    • So we allocate an array of size 256 (that is the number of distinct ASCIIacharactersterst to store the freque...
  • Answered Anonymously
Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

Interviewers asked some questions regarding System design and then asked me to perform the task

  • Q1. Design a vending machine.
Round 4 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

There were 2 interviewers. This round was basically Distributed systems.

  • Q1. 

    Alternating Largest Problem Statement

    Given a list of numbers, rearrange them such that every second element is greater than its adjacent elements. Implement a function to achieve this rearrangement.

    Inp...

  • Ans. Brute forceSpace Complexity: O(1)Explanation: Time Complexity: O(n)Explanation:
  • Answered Anonymously
Round 5 - Video Call 

Round duration - 60 Minutes
Round difficulty - Hard

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from HMR Institute of Technology and Management. Eligibility criteriaNo criteriaMicrosoft interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, System Design, Distributed SystemsTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Might ask you to write coding in System Design (Eg : Vending Machine)
Tip 2 : Use star methodology to answer.
Tip 3 : Interact as much as you can with the interviewer and discuss your approach to solve questions.
Tip 4: Start your preparation at least 6 months before application
Tip 5 : Practice Leetcode

Application resume tips for other job seekers

Tip 1 : Resume should match with job description
Tip 2 : Add a summary section and avoid sections like hobbies, strengths 
Tip 3 : Clearly mention your skills

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 30 minutes
Round difficulty - Medium

It was in the morning. We had to complete 1 coding question in given time limit

  • Q1. 

    Most Frequent Non-Banned Word Problem Statement

    Given a paragraph consisting of letters in both lowercase and uppercase, spaces, and punctuation, along with a list of banned words, your task is to find th...

  • Ans. Brute Force
    1. To find the frequency of each word we need to extract the words from the paragraph.
    2. So we will convert all the punctuation to space in the paragraph and lowercase alphabets to uppercase.
    3. Now we can use the library function (e.g sstream in C++) to extract words from the paragraph in an array of strings say WORDS.
    4. We will iterate over WORDS and do:
      1. Iterate over the banned array and check if the current word is pre...
  • Answered Anonymously
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Hard

Interviewer was friendly. He asked 2 coding questions and some fullstack questions. 

  • Q1. 

    Ways To Make Coin Change

    Given an infinite supply of coins of varying denominations, determine the total number of ways to make change for a specified value using these coins. If it's not possible to make...

  • Ans. Recursion

     

    1. The idea is to use recursion.
    2. For a particular coin, we have two options either include it or exclude it.
    3. If we include that coin, then calculate the remaining number that we have to generate so recur for that remaining number.
    4. If we exclude that coin, then recur for the same amount that we have to make.
    5. Our final answer would be the total number of ways either by including or excluding.
    6. There will be two edg...
  • Answered Anonymously
  • Q2. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. Brute Force

    The idea here is to first, sort the critical POINTS with respect to their coordinate and height pairs. Make a pair of 'X1' and take a negative of the height for the building so that 'X1' pairs are sorted before 'X2' pairs. Create a dictionary keeping the heights as keys and as soon as a left edge of a building is encountered, we add that building to the dictionary with its height as the key. When we encounte...

  • Answered Anonymously

Interview Preparation Tips

Eligibility criteriaNo criteriaStandard Chartered Bank interview preparation:Topics to prepare for the interview - Ds, oops, graphs, trees, dyanamic programming, dbmsTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Practice coding questions
Tip 2 : Try to research about previous interview questions

Application resume tips for other job seekers

Tip 1 : Prepare the resume as per the job
Tip 2 : Write in a clear manner

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Telephonic Call 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

It was the screening round he asked me 2 questions 
First one is easy and other one is medium type

  • Q1. 

    Find All Pairs Adding Up to Target

    Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.

    Input:

    The first line ...
  • Q2. 

    Root to Leaf Path Problem Statement

    Given a binary tree with 'N' nodes numbered from 1 to 'N', your task is to print all the root-to-leaf paths of the binary tree.

    Input:

    The first line of the input con...
Round 2 - Video Call 

(2 Questions)

Round duration - 45 Minutes
Round difficulty - Easy

This is the first round in the loop interviews. Are you familiar with Javascript. Why do we use js. How do you use js to change the value of a textbox.

  • Q1. 

    Validate BST Problem Statement

    Given a binary tree with N nodes, determine whether the tree is a Binary Search Tree (BST). If it is a BST, return true; otherwise, return false.

    A binary search tree (BST)...

  • Q2. 

    Construct Tree from Preorder Traversal

    Given a list of integers pre[] of size n, representing the preorder traversal of a special binary tree where each node has 0 or 2 children, and a boolean array isLea...

Round 3 - Video Call 

Round duration - 45 minutes
Round difficulty - Easy

It was the team fit round

Round 4 - Video Call 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Medium

4tn round in the loop, he asked me to design a game. He focused both on backend and frontend.
..

  • Q1. 

    Bursting Balloons Problem

    Given an array ARR of size N, where each element represents the height of a balloon. The task is to destroy all balloons by shooting arrows from left to right. When an arrow hits...

Round 5 - Face to Face 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Medium

Another problem solving round

  • Q1. 

    Triplets with Given Sum Problem

    Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum up to a specified number K.

    Explanation:

    A t...

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Fullstack Developer in BangaloreEligibility criteriaNoOracle interview preparation:Topics to prepare for the interview - DS/algorithm Design patterns Problem solvingTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : clear your basics in ds algo
Tip 2 : problem solving is must to Crack coding interview 
Tip 3 : solve leetcode problem as much as you can

Application resume tips for other job seekers

Tip 1 : it should be short as possible 
Tip 2 : you must have mentioned your past experience in chronological order with descriptions

Final outcome of the interviewSelected

Skills evaluated in this interview

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

(2 Questions)

  • Q1. Oops concepts and streams
  • Q2. Microservices spring boot

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared well
Concentrate on coding

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