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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...

  • Ans. 

    Insert an element into an AVL tree while maintaining balance.

    • Ensure the AVL tree remains balanced after insertion by performing rotations if necessary.

    • Update the height of each node after insertion to maintain the AVL property.

    • Perform single or double rotations based on the balance factor of the nodes.

    • Example: Inserting 7 into the AVL tree shown in the image would require a double rotation to balance the tree.

  • Answered by AI
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...

  • Ans. 

    Find the smallest positive integer missing from an array of integers.

    • Iterate through the array and mark positive integers as visited by changing the sign of the corresponding index.

    • After marking, iterate again to find the first positive index which is not marked.

    • Return the index + 1 as the smallest missing positive integer.

  • Answered by AI

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

I applied via Naukri.com and was interviewed in Jan 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics questions and programs related to trigger,lightning and few questions on lwc

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice programming more and be confident

I applied via Recruitment Consulltant and was interviewed before Nov 2021. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Basics related to customisations and configuration
  • Q2. Basics of integration

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepare with realtime scenarios.
To back up all concepts that will be asked you to explain

Interview Questionnaire 

5 Questions

  • Q1. How do you make the child records read only of its parent record's field is updated to some value
  • Ans. 

    Child records can be made read-only when parent record's field is updated using validation rules.

    • Create a validation rule on child object

    • Use ISCHANGED() function to check if parent field is updated

    • Use PRIORVALUE() function to get the previous value of parent field

    • Use ISBLANK() function to check if the previous value of parent field is blank

    • Use ISNEW() function to allow creation of child records

    • Use OR() function to comb...

  • Answered by AI
  • Q2. How do you call a controllor method from javascript in visualforce page?
  • Ans. 

    To call a controller method from JavaScript in a Visualforce page, use the actionFunction tag.

    • Create a controller method in the Apex class.

    • Add an actionFunction tag in the Visualforce page.

    • Call the actionFunction from JavaScript using its name.

    • Pass parameters to the controller method using the actionFunction tag.

    • Use the rerender attribute to update the page after the controller method is called.

  • Answered by AI
  • Q3. What are the collectio variables and when do we use them in apex?
  • Ans. 

    Collection variables are used to store multiple values of the same data type in Apex.

    • Collection variables include Lists, Sets, and Maps.

    • Lists are ordered collections of elements that can contain duplicates.

    • Sets are unordered collections of unique elements.

    • Maps are collections of key-value pairs.

    • Collection variables are useful for iterating over multiple values and performing operations on them.

    • Example: List names = new...

  • Answered by AI
  • Q4. How do load both parent and child records at a time using data loader?
  • Ans. 

    Use data loader's parent-child functionality to load both parent and child records at once.

    • Create a CSV file with both parent and child records

    • Use the data loader's parent-child functionality to map the relationship between the two

    • Ensure that the parent records are loaded before the child records

    • Use the data loader's insert or upsert operation to load the data

  • Answered by AI
  • Q5. Syntax of batch class, future method
  • Ans. 

    Batch class and future method syntax in Salesforce development.

    • Batch class syntax: Implements Database.Batchable interface, has start(), execute() and finish() methods.

    • Future method syntax: Has @future annotation, returns void, takes parameters.

    • Example batch class syntax: public class MyBatch implements Database.Batchable { ... }

    • Example future method syntax: @future public static void myFutureMethod(String param) { ...

  • Answered by AI

Skills evaluated in this interview

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 

(1 Question)

  • Q1. What is master detail relationship
  • Ans. 

    Master-detail relationship is a type of relationship in Salesforce where the master object controls certain behaviors of the detail object.

    • Master-detail relationship is a parent-child relationship between two objects.

    • The master object is the controlling object and the detail object is the dependent object.

    • Deleting the master record automatically deletes the associated detail records.

    • Security and sharing settings of the...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I am fresher so i m working with any project

I applied via Naukri.com and was interviewed in Mar 2022. There were 4 interview rounds.

Round 1 - Group Discussion 

Healthy discussion

Round 2 - Aptitude Test 

General knowledge

Round 3 - Assignment 

Your talent

Round 4 - HR 

(4 Questions)

  • Q1. Why should we hire you
  • Q2. Do you know company details
  • Q3. How much salary you expect
  • Q4. Are you fit fit for job

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay cool be happy and think positive way
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Trigger to count no of opportunitylineitems and display in Accout custom field
  • Ans. 

    Create a trigger to count Opportunity Line Items and display in Account custom field

    • Create a trigger on OpportunityLineItem object

    • Use SOQL query to count the number of Opportunity Line Items related to the Account

    • Update the custom field on Account with the count value

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Current package

Skills evaluated in this interview

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

(2 Questions)

  • Q1. BASIC OF ADMIN PART
  • Q2. Apex scenario based question

Interview Preparation Tips

Interview preparation tips for other job seekers - i was not prepared well for lwc so lost the opportunity but if you know the basics of lwc you can crack it easily
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Types of flow in salesforce
  • Ans. 

    Types of flow in Salesforce include autolaunched flows, screen flows, and scheduled flows.

    • Autolaunched flows are triggered by a process or record change

    • Screen flows guide users through a series of screens to collect information

    • Scheduled flows are executed at a specific time or on a recurring basis

  • Answered by AI
  • Q2. Best practice to write a trigger
  • Ans. 

    Best practice for writing triggers in Salesforce

    • Ensure trigger logic is bulkified to handle multiple records at once

    • Use trigger handler classes to separate logic from trigger itself

    • Avoid SOQL queries inside loops to prevent hitting governor limits

    • Write unit tests to cover trigger logic and ensure proper functionality

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to get the answers of all nasic questions

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

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

Round 1 - Technical 

(2 Questions)

  • Q1. Triggers based questions
  • Q2. Lwc and security related questions
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