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MasterCard Full Stack Engineer Interview Questions, Process, and Tips

Updated 1 Nov 2021

1 MasterCard Full Stack Engineer Interview Experience

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Full Stack Engineer Interview Questions

user image CodingNinjas

posted on 1 Nov 2021

I was interviewed in Sep 2021.

3 Interview Rounds

1

Coding Test Round (2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. Longest Palindromic Subsequence You have been given a string ‘A’ consisting of lower case English letters. Your task is to find the length of the longest palind...read more
  • Q2. Word Pattern You have been given two strings 'S' and ‘T’. Your task is to find if ‘S’ follows the same pattern as ‘T’. Here follow means a full match, i...read more
2

Video Call Round (3 Questions)

Round duration - 40 Minutes
Round difficulty - Easy

  • Q1. Level Order Traversal You have been given a Binary Tree of integers. You are supposed to return the level order traversal of the given tree. For example: For th...read more
  • Q2. Next Greater Node In Linked List Ninjas are often known for their superhuman strength and valour. In a given set of linked ninja villages of different clans, th...read more
  • Q3. Technical Questions What is the difference between MongoDB and MySQL?  If you remove an object attribute, is it deleted from the database? Why is Node.js S...read more
3

HR Round (1 Question)

Round duration - 15 Minutes
Round difficulty - Easy

  • Q1. Basic HR Questions

    What do you know about mastercard?
    Are you free to relocate after lockdown ends?

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Full Stack Engineer in PuneEligibility criteriaAbove 7 CGPA, Resume shortlisting on the basis of projectsMasterCard interview preparation:Topics to prepare for the interview - Data Structure, Algorithms, JavaScript, HTML/CSS, ReactTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Be consistent, practice regularly whatever you read/study.
Tip 2 : Apply what you learn through code.

Application resume tips for other job seekers

Tip 1 : Have some projects on your resume.
Tip 2 : If you have an internship or training explain it in a proper way like what are the techniques you learned during your training.

Final outcome of the interviewRejected

Skills evaluated in this interview

Full Stack Engineer Jobs at MasterCard

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Interview questions from similar companies

4 Interview Rounds

Interview Questions

  • Q1. React questions How do you organize code in react (components, containers, separation of logic) ? MVC patterns UI design Finding local maxima in series of numbe...read more Add Answer
  • Q2. Basics of HTML, CSS, Javascript css transform properties implement redux publish subscribe model Add Answer
  • Q3. Singleton pattern Few algorithmic questions Anagram problems Design patterns Add Answer
  • Q4. JSON.stringify implementation Problem solving methodology Array - sorting and finding maxium related problem middlewares in node js Add Answer

Interview Preparation Tips

Round: Test
Experience: Hacker rank testing round

The questions were based on dynamic programming


Interview experience
1
 Bad
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
 No response

I applied via Approached by Company and was interviewed in Sep 2024.

1 Interview Round

1

Technical Round (2 Questions)

  • Q1. Sal queries simeple data structure question finding largest number in am array.
  • Q2. Solid principal

Interview Preparation Tips

Interview preparation tips for other job seekers - Simply waste of time they asked me 3-4 questions and didn't responded .
Interview experience
3
 Average
Difficulty level
 -
Duration
 -
Result
 -

5 Interview Rounds

1

Aptitude Test Round

It will be a basic maths questions.

2

Group Discussion Round

As a general topic of trend in world.

3

Coding Test Round

To be known for programming knowledge about us.

4

Technical Round (2 Questions)

  • Q1. Programming oridanited
  • Q2. Skill knowledge questions
5

HR Round (2 Questions)

  • Q1. Tell me about your self.
  • Q2. Family background .

Interview Preparation Tips

Interview preparation tips for other job seekers - pls don't stress the candidate to suffer as high .
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Job Fair and was interviewed in Feb 2024.

1 Interview Round

1

One-on-one Round (5 Questions)

  • Q1. Java vs Javascript , Meaning of Synchronization in Java , Multihreading in Js
  • Q2. Write a pojo class to display the Employee Details,Pojo vs Bean
  • Q3. How to to compare two objects with same class (equals & Hashcode methods)
  • Q4. Springboot questions basics like How to connect to 2 databases at a time How to change the table name in entity class(@Table)
  • Q5. JPA Repository inbuilt methods

Skills evaluated in this interview

Interview experience
3
 Average
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

One-on-one Round (2 Questions)

  • Q1. What are the java 1.8 features?
  • Q2. Write program to print element sorting by using java 8 feature.

Skills evaluated in this interview

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

I applied via Walk-in and was interviewed in Nov 2023.

3 Interview Rounds

1

Coding Test Round

3 coding Questions from String Array and Matrix

2

Aptitude Test Round

30 question from English and 30 from reasoning

3

One-on-one Round (1 Question)

  • Q1. HR round where they called and discussed pay for internship.

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Prepare JS Html and Css
2. Learn Sql
3. Normal level coding Questions
4. Soft skills
Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

One-on-one Round (2 Questions)

  • Q1. Experience in ReactJS
  • Q2. Experience in Spring Boot

Skills evaluated in this interview

Full Stack Developer Interview Questions

Paytm user image CodingNinjas

posted on 21 Mar 2022

I was interviewed in Aug 2021.

4 Interview Rounds

1

Coding Test Round (2 Questions)

Round duration - 70 minutes
Round difficulty - Medium

There were 3 problems 1 was easy and 2 were of medium types.

  • Q1. Odd even level Given a binary tree. Find and return the modulus of the difference between the sum of odd level nodes and the sum of even level nodes. Input form...read more
  • Q2. Rotting Oranges You have been given a grid containing some oranges. Each cell of this grid has one of the three integers values: Value 0 - representing an empty...read more
2

Video Call Round (1 Question)

Round duration - 50 minutes
Round difficulty - Medium

the interviewer was very polite and straightforward, he didn't ask me to introduce myself and he directly jumps to the coding problems.
What is new about the relationship between the and tags in HTML5?
Explain Components, Modules and Services in Angular

  • Q1. Circular Move You have a robot currently standing at the origin (0, 0) of a two-dimensional grid and facing north direction. You are given a sequence of moves f...read more
3

Video Call Round (2 Questions)

Round duration - 70 minutes
Round difficulty - Easy

What is a View in sql? What are the TRUNCATE, DELETE and DROP statements?

  • Q1. Rotate matrix by 90 degrees You are given a square matrix of non-negative integers 'MATRIX'. Your task is to rotate that array by 90 degrees in an anti-...read more
  • Q2. Minimum Characters For Palindrome Given a string STR of length N. The task is to return the count of minimum characters to be added at front to make the string ...read more
4

HR Round (1 Question)

Round duration - 20 minutes
Round difficulty - Easy

  • Q1. Basic HR Questions

    Tell me about yourself?
    What do you know about Paytm?
    What are your strength and weaknesses?
    Job location preference?

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Indian Institute Of Information Technology Sonepat. Eligibility criteria7 CGPA with no ongoing backlogs.Paytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, DBMS, Operating Systems, Computer Networking, System Design.Time required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Deep knowledge of the projects mentioned in your resume is a must.
Tip 2 : Practice as many problems as you can from leetcode.

Application resume tips for other job seekers

Tip 1 : mention 1 or 2 projects in your resume.
Tip 2 : don't put false things in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

Full Stack Developer Interview Questions

PayPal user image CodingNinjas

posted on 11 Mar 2022

I was interviewed in Jul 2021.

4 Interview Rounds

1

Coding Test Round (2 Questions)

Round duration - 120 Minutes
Round difficulty - Medium

This was a coding round conducted from 12 PM to 2 PM and it was not proctored but we could not switch the tabs. There were 2 coding questions each of 100 marks. The MCQ had HTML,CSS, JS, SQL, Coding and aptitutude questions.

  • Q1. N Queens You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can a...read more
  • Q2. Rearrange String You are given a string “S”. Your task is to rearrange the characters of a string “S”, such that it does not contain any two adjacent characters...read more
2

Video Call Round (2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

There were two interviewers. They started by asking me to introduce myself and asked me to explain any one of my projects in my resume and after that, they asked me about the ML algorithms used in my project and about the difficulties faced. What is NaN property in JavaScript? This took around 10 minutes. They also asked 2 coding questions.
It was conducted at 10 AM on CodePair and MS Teams. Interviewers were friendly.

  • Q1. Group Anagrams Together You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that ...read more
  • Q2. Friends Pairing Problem You are given an integer ‘N’, which denotes there are ‘N’ friends. You are supposed to form some pairs them satisfying the following con...read more
3

Video Call Round (2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

There were 2 questions based on data structures, the round started from 1.15 PM .Some SQL questions like What is a Subquery? What are its types? What are UNION, MINUS and INTERSECT commands?

  • Q1. Vertical Order Traversal The Ultimate Ninja Ankush is a straightforward, no-nonsense guy and loves binary Trees, and he has given you a binary tree, and you hav...read more
  • Q2. Divide Two Integers You are given two integers ‘dividend’ and ‘divisor’. You are required is to divide the integers without using multiplication, division and m...read more
4

HR Round (1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

The round was at 7.30 PM and I was asked to introduce myself and we had basic talk on where I live and my interests. I asked about the work culture and about the role at the end.

  • Q1. Puzzle

    He showed a puzzle where n-balloons were there and I had to burst maximum balloons using an arrow.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from VIT University. I applied for the job as Fullstack Developer in ChennaiEligibility criteriaPercentage Criteria in X and XII: 85% or 8.5 CGPA, Pursuing Degree: 85% or 8.5 CGPA, No Standing ArrearsPaypal interview preparation:Topics to prepare for the interview - Trees, Graphs, Dynamic Programming, Arrays, StacksTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 400 questions of leetcode topics wise.
Tip 2 : Participate in hackathons.
Tip 3 : Have 2 good projects atleast and be very good in project concepts.

Application resume tips for other job seekers

Tip 1 : Have good projects in your resume and have clear idea of what you have done in those.
Tip 2 : Mention languages, frameworks, subjects only when you have proper hold on them, don't mention things you don't know properly.

Final outcome of the interviewSelected

Skills evaluated in this interview

MasterCard Interview FAQs

How to prepare for MasterCard Full Stack Engineer 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 MasterCard. The most common topics and skills that interviewers at MasterCard expect are Banking Operations, Brs, Business Development, Cae and Case.

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