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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 appeared for an interview 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 Company Website and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Develop calc in programming language of your choice
  • Ans. 

    I would develop a calculator in Python using basic arithmetic operations and GUI libraries.

    • Use Python's built-in arithmetic operators (+, -, *, /) to perform calculations.

    • Use a GUI library like Tkinter or PyQt to create a user-friendly interface.

    • Implement error handling to prevent invalid inputs and division by zero.

    • Consider adding additional features like memory functions or scientific notation.

    • Test the calculator tho

  • Answered by AI
  • Q2. What all are database management languages

Interview Preparation Tips

Interview preparation tips for other job seekers - Be relaxed during interview and prepare your tech stack fully 2 days before interview

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Asked practical scenario questions from frontend(lwc) and apex.
  • Q2. Deployment process with ci/cd
  • Ans. 

    CI/CD is a process of automating software delivery and deployment.

    • Use version control system like Git to manage code changes

    • Automate build process using tools like Jenkins

    • Run automated tests to ensure code quality

    • Deploy to different environments using tools like Docker and Kubernetes

    • Monitor and log application performance using tools like Splunk

    • Use continuous feedback to improve the process

  • Answered by AI
  • Q3. Write a trigger to update contact when accounts phone changed.
  • Q4. Fetch data in table from apex
  • Ans. 

    Fetching data from table in Apex

    • Use SOQL query to fetch data from table

    • Assign the query result to a list variable

    • Iterate through the list to access individual records

  • Answered by AI
  • Q5. Cpu error in apex
  • Ans. 

    CPU error in Apex

    • Check for infinite loops or recursive calls

    • Reduce the number of SOQL queries and DML statements

    • Optimize code to reduce CPU usage

    • Consider using asynchronous processing

    • Use governor limits to avoid exceeding CPU time limit

  • Answered by AI
  • Q6. Data loader, future method, share record in apex

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the interview based on real scenario. They won't ask internet questions.

Skills evaluated in this interview

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

(3 Questions)

  • Q1. Integration related
  • Q2. Trigger related
  • Q3. LWC use case related ques.

I applied via Company Website and was interviewed in Oct 2022. There were 4 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. Screening round. MCQ's based on automation, security,lwc,lac, integration,apex Need to have good knowledge,not straight forward questions.
Round 3 - One-on-one 

(1 Question)

  • Q1. 1.relationship types 2.what is junction object 3.scenario based questions on security. 4.mixed dml error 5.scenario based questions on automation process, flows 6.what are bound and inbound expression in l...
Round 4 - Behavioral 

(1 Question)

  • Q1. Questions on your working experience. Why Deloitte Complex situations you have faced in ur project Why are u looking for change Given a business problem and asked how would you approach or solve it

Interview Preparation Tips

Interview preparation tips for other job seekers - Need to have good knowledge and need to prepare well to crack the interviews.
Deloitte has stringent interview process.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Basic Salesforce admin, vf pages ,aura, lwc, integration and told to write trigger for grand parent type scenario
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
No response
Round 1 - Technical 

(1 Question)

  • Q1. Trigger to update contact phone when account is changed. OWD Profile and permission set Batch Apex
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. What is Salesforce service cloud
  • Ans. 

    Salesforce Service Cloud is a customer service platform that helps businesses manage and improve customer interactions.

    • It allows businesses to provide personalized customer support through various channels such as phone, email, chat, and social media.

    • Service Cloud includes features like case management, knowledge base, and omni-channel routing to streamline customer service processes.

    • It integrates with other Salesforce...

  • Answered by AI
  • Q2. How do you rate your self in coding
  • Q3. Salesforce Security model question
  • Q4. Have you worked on flows
  • Ans. 

    Yes, I have worked on flows in Salesforce.

    • I have experience creating flows to automate business processes in Salesforce.

    • I have used flows to streamline data entry and update records efficiently.

    • I have integrated flows with other Salesforce features like Process Builder and Apex triggers.

  • Answered by AI
  • Q5. Mostly asked what you mentioned in your resume
Round 2 - Technical 

(3 Questions)

  • Q1. Write trigger on parent child scenario
  • Ans. 

    Writing trigger on parent child scenario in Salesforce

    • Create trigger on parent object

    • Use trigger context variables to access child records

    • Perform necessary operations on child records based on parent record changes

  • Answered by AI
  • Q2. Wha are important feature of service cloud, LWC decorators, events in lwc, asynchronous apex , batch class, flows and its type , experience cloud basics .
  • Ans. 

    Service Cloud features, LWC decorators, events, asynchronous apex, batch class, flows, and experience cloud basics.

    • Service Cloud features include case management, knowledge base, omni-channel routing, and service console.

    • LWC decorators are used to add metadata to Lightning web components, such as @api, @track, and @wire.

    • Events in LWC are used for communication between components, such as standard events like onchange a...

  • Answered by AI
  • Q3. Expectations was user should know each and every topic of Salesforce

Interview Preparation Tips

Interview preparation tips for other job seekers - First round was very good answered every single question asked by panel . After first round
HR says feedback is good, you got selected no need of next round , Asked what is final expected salary and notice period , for which i already shared before screening process .

Then after couple of days HR calls back and said Panel no sure about you wants to check another round of interview. Even my second round was good answer almost all questions. Not got any feedback from HR despite of couple of follow up .

People who want to apply make sure that you share your expectations with HR clearly .

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. LWC,aura,trigger scenarios and all scenario based questions but average level

Interview Preparation Tips

Interview preparation tips for other job seekers - should have practical knowledge
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Jul 2023. 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 - Coding Test 

1 hr of multiple choices questions all technical questions salesforce admin and development

Round 3 - Technical 

(1 Question)

  • Q1. Scenario based questions
Round 4 - Technical 

(2 Questions)

  • Q1. Scenario based questions on profile
  • Q2. Difference between queable and feature apex
  • Ans. 

    Queueable is used for asynchronous processing while future apex is used for executing code in a separate thread.

    • Queueable is used for complex, long-running processes that can be split into multiple jobs.

    • Future apex is used for short, quick processes that need to be executed in a separate thread.

    • Queueable jobs can be chained together to run in a specific order.

    • Future apex methods are limited in terms of governor limits

  • Answered by AI
Round 5 - Technical 

(2 Questions)

  • Q1. Scenario how to create 1 to 1 relationship
  • Ans. 

    To create a 1 to 1 relationship in Salesforce, use a lookup field on the child object pointing to the parent object.

    • Create a lookup field on the child object that references the parent object.

    • Ensure that the lookup field has a unique constraint to enforce the 1 to 1 relationship.

    • Use validation rules or triggers to prevent multiple child records from being linked to the same parent record.

  • Answered by AI
  • Q2. Managerial round

Interview Preparation Tips

Interview preparation tips for other job seekers - All are scenario based questions

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