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MasterCard Senior Software Engineer 1 Interview Questions and Answers

Updated 3 Dec 2024

MasterCard Senior Software Engineer 1 Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

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

Round 1 - Technical 

(1 Question)

  • Q1. Scenario based questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Mar 2024. There were 5 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Describe your project
  • Q2. Java code to find numbe of repeated characters in String
  • Ans. 

    Java code to find number of repeated characters in a String.

    • Create a HashMap to store characters and their counts.

    • Iterate through the String and update the counts in the HashMap.

    • Count the characters with counts greater than 1 to find repeated characters.

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Describe design patterns in Microservice
  • Ans. 

    Design patterns in Microservices are reusable solutions to common problems encountered in designing and implementing microservices architecture.

    • Design patterns help in structuring microservices for scalability, resilience, and maintainability.

    • Some common design patterns in microservices include Service Registry, Circuit Breaker, API Gateway, and Event Sourcing.

    • Service Registry pattern involves a central registry that a...

  • Answered by AI
Round 3 - Group Discussion 

Design discussion for use case

Round 4 - One-on-one 

(1 Question)

  • Q1. Describe your project
Round 5 - HR 

(1 Question)

  • Q1. Why do you want to join Mastercard

Skills evaluated in this interview

Senior Software Engineer 1 Interview Questions Asked at Other Companies

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Q2. What is CRFS? The experience around working with it.
Q3. What is difference between Python and Node.JS?
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Interview questions from similar companies

I appeared for an interview in Dec 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

test timing: 7-8 pm
2 programming questions
webcam proctored

  • Q1. 

    Minimum Cost to Reach End Problem

    You are provided with an array ARR of integers of size 'N' and an integer 'K'. The goal is to move from the starting index to the end of the array with the minimum possib...

  • Ans. 

    Find minimum cost to reach end of array by jumping with constraints

    • Use dynamic programming to keep track of minimum cost at each index

    • Iterate through the array and update the minimum cost based on reachable indices within K steps

    • Calculate cost to jump from current index to reachable indices and update minimum cost accordingly

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteria7 CGPA and above, no dead backlogsVisa interview preparation:Topics to prepare for the interview - Data Structures, Dynamic Programming, OOPS, Computer Architecture, Algorithms, Bit Manipulation, Operating System, Computer Networking, Cloud conceptsTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Ability to apply data structures in questions(practice graph and Tree questions)
Tip 2 : Thorough knowledge of the projects done
Tip 3 : Good knowledge about computer science concepts

Application resume tips for other job seekers

Tip 1 : Mention projects that you have done yourself and are thorough with 
Tip 2 : mention soft skills

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Sep 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. More about my technical side.

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay connected with good data which may help in current situation for interview process.

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Medium

The test was organized online on Amcat and there were 3 coding problems. There were no MCQs in this round.

  • Q1. 

    Ninja Technique Problem Statement

    Implement a function that determines whether a given numeric string contains any substring whose integer value equals the product of two consecutive integers. The functio...

  • Ans. 

    Implement a function to determine if a numeric string contains a substring whose value equals the product of two consecutive integers.

    • Iterate through all substrings of the input string and check if their integer value equals the product of two consecutive integers.

    • Use nested loops to generate all possible substrings efficiently.

    • Check if the product of two consecutive integers matches the integer value of the substring.

    • ...

  • Answered by AI
  • Q2. 

    Find Nodes at a Specific Distance from Target in a Binary Tree

    Given a binary tree, a target node within this tree, and an integer K, identify and return all nodes that are exactly K edges away from the t...

  • Ans. 

    Find nodes at a specific distance from a target node in a binary tree.

    • Traverse the binary tree to find the target node.

    • Perform a depth-first search to identify nodes at distance K from the target node.

    • Return the values of nodes found at distance K in an array.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 50 Minutes
Round difficulty - Medium

This round was scheduled by the college Training and Placement team virtually. The interviewer asked me questions pertaining mainly to DSA and we discussed my projects.

  • Q1. 

    Segregate Even and Odd Nodes in a Linked List

    You are given the head node of a singly linked list head. Your task is to modify the linked list so that all the even-valued nodes appear before all the odd-v...

  • Ans. 

    Reorder a singly linked list so that all even-valued nodes appear before odd-valued nodes while preserving the original order.

    • Create two separate linked lists for even and odd nodes

    • Traverse the original list and move nodes to respective even or odd lists

    • Merge the even and odd lists while maintaining the original order

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

Again, the round was virtual. This was a Tech + Managerial round organized by the college T & P cell. The interviewer asked questions related to fundamental subjects such as Operating Systems, Object-oriented programming, and DBMS. There was one coding round at the end.

  • Q1. 

    Diagonal Traversal of a Binary Tree

    Given a binary tree of integers, find its diagonal traversal. Refer to the example for clarification on diagonal traversal.

    Example:

    Explanation:
    Consider lines at a...
  • Ans. 

    Diagonal traversal of a binary tree involves printing nodes at 135 degree angle in between lines.

    • Traverse the tree in a diagonal manner, starting from the root node.

    • Maintain a map to store nodes at each diagonal level.

    • Print the nodes at each diagonal level in the order of traversal.

  • Answered by AI
Round 4 - HR 

Round duration - 40 Minutes
Round difficulty - Easy

The round was virtual and was organized by the T & P cell of the college. The interviewer asked some behavioural and situation-based questions. There was one puzzle at the end.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in NoidaEligibility criteriaAbove 7 CGPAPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Web Development, Operating Systems, Object-oriented Programming, PuzzlesTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : For a product-based company, the first important thing is to solve as many DSA problems as possible. I solved problems mainly on GeeksforGeeks, LeetCode, and Coding Ninjas.
Tip 2 : Prepare 2-3 good projects based on your technical skillset. Prepare it very well as there is a high chance that projects would be discussed in the interview.
Tip 3 : Prepare fundamental college subjects like Operating systems, Object-oriented Programming, Database Management.

Application resume tips for other job seekers

Tip 1 : Keep it short and concise
Tip 2 : Describe your projects very specifically

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Approached by Company and was interviewed before Oct 2021. There were 6 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 

Simple programming test from mettl website

Round 3 - Technical 

(2 Questions)

  • Q1. First tech interview is also more of a coding round.
  • Q2. Questions on data structures in Java Multithreading Immutability
Round 4 - Technical 

(1 Question)

  • Q1. 2nd technical interview more of conceptual questions on related technology
Round 5 - Technical 

(1 Question)

  • Q1. Tech manager round based on previous project and scenario based questions
Round 6 - HR 

(1 Question)

  • Q1. Salary discuss Why you want to join paytm

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared before interview
Go through basic programming questions

I appeared for an interview in Dec 2017.

Interview Questionnaire 

3 Questions

  • Q1. You need to find the maximum water pond formed in bw the building
  • Ans. 

    To find the maximum water pond formed between buildings.

    • Identify the lowest point between the buildings.

    • Calculate the area of the pond using the distance between the buildings and the depth of the pond.

    • Consider any obstacles or uneven ground that may affect the pond's shape.

    • Use a surveying tool or satellite imagery to get accurate measurements.

    • Take into account any drainage systems or natural water flow that may affect

  • Answered by AI
  • Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
  • Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
  • Ans. 

    Design a dictionary using trie with insert, update and delete operations.

    • Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word

    • For insert operation, traverse the trie and add nodes for each character in the word

    • For update operation, delete the existing word and insert the updated word

    • For delete operation, mark the end of word flag as false and delete the node if it ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3

College Name: IIT Guwahati

Skills evaluated in this interview

I applied via Campus Placement

Interview Preparation Tips

Round: Resume Shortlist
Experience: Initially test was conducted. But they also considered resume for shortlisting to interview. Even if you do test badly, resume will come to your rescue if it is good enough.
Tips: Test consists of both aptitude and coding. Basic coding skills in C will be sufficient to solve the coding questions.

General Tips: Interviewing people are very friendly during the interview. Concentrate on concepts like linked lists, basic problems on strongs.
Skill Tips: Any basic C programming book.
Skills: Basic Coding, Basic C/C++
Duration: 2.5
College Name: IIT Madras
Motivation: Diverse fields in which company is working.

Software Developer Interview Questions & Answers

PayPal user image RAJIVTEJA NAGIPOGU

posted on 3 Dec 2016

I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Given an array of numbers find the subset of numbers that give zero sum.
  • Ans. 

    Find subset of numbers in array that sum up to zero.

    • Use a nested loop to iterate through all possible subsets.

    • Calculate the sum of each subset and check if it equals zero.

    • Store the subset if the sum is zero.

    • Optimize the solution by using a hash set to store the cumulative sum of elements.

  • Answered by AI
  • Q2. Explain how bfs works?
  • Ans. 

    BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.

    • BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.

    • It uses a queue data structure to keep track of the vertices to be visited.

    • BFS guarantees that it visits all the vertices of a connected graph.

    • It can be used to find the shortest path between two

  • Answered by AI
  • Q3. Discussion on the projects I have done.
  • Q4. Question on Linked List.
  • Q5. Project Discussion
  • Q6. Strengths and weaknesses. Where do you see yourself in 5 years?
  • Ans. 

    In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.

    • Continuously improving my technical skills through learning and hands-on experience

    • Taking on leadership roles and mentoring junior developers

    • Contributing to the development of cutting-edge software solutions

    • Building strong relationships with clients and stakeholders

    • Staying updated with the latest indu...

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.

Round: Technical + HR Interview
Experience: I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.

College Name: IIT Madras

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. Explain the concepts of Object Oriented Programming
  • Ans. 

    Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.

    • Encapsulation: bundling data and methods that operate on that data within one unit

    • Inheritance: creating new classes from existing ones, inheriting their properties and methods

    • Polymorphism: ability of objects to take on multiple forms or behaviors

    • Abstraction: hiding complex implementation details and providing a simp...

  • Answered by AI
  • Q2. Give examples of abstraction and polymorphism
  • Ans. 

    Abstraction is hiding implementation details while polymorphism is using a single interface for multiple types.

    • Abstraction: Encapsulation, Interfaces, Abstract classes

    • Polymorphism: Method Overloading, Method Overriding, Interfaces

    • Abstraction Example: Car - we don't need to know how the engine works to drive it

    • Polymorphism Example: Animal - different animals have different sounds but they all have a 'makeSound' method

  • Answered by AI
  • Q3. A simple design question to design classes
  • Q4. What does PayPal do?
  • Ans. 

    PayPal is an online payment system that allows individuals and businesses to transfer funds electronically.

    • Allows users to make payments and money transfers online

    • Offers a secure and convenient way to pay for goods and services

    • Provides a platform for businesses to accept payments online

    • Offers buyer and seller protection for eligible transactions

    • Can be used to send and receive money internationally

  • Answered by AI
  • Q5. A simple Machine learning question to use thresholding
  • Q6. Questions about Software Defined Networking and my project in that field
  • Q7. Questions about my internships at a startup and USC
  • Q8. Am I considering going for masters
  • Q9. What makes you want to join PayPal?
  • Ans. 

    I am excited to join PayPal because of its innovative culture and impact on the global economy.

    • PayPal's commitment to innovation aligns with my passion for staying up-to-date with the latest technologies.

    • I am impressed by PayPal's global reach and impact on the economy, and I want to be a part of that.

    • I appreciate PayPal's focus on diversity and inclusion, and I believe in the importance of working for a company with s...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: The aptitude test consisted of about 20 questions and had just 20 minutes. The questions were tough and you need speed to solve them. People preparing for CAT and other such exams should be able to perform better. The max score among my batch was 7 or 8.
The coding question was paper based and you had to write C code for a simple question on paper, but design was also taken into account for evaluating the code.
Tips: Both get disheartened if you don't do well in the aptitude.
Duration: 60 minutes
Total Questions: 21

Round: Technical Interview
Experience: The interview was more like a discussion rather than a question answer round. The discussion always went quite off the topic and the interviewer went on to ask other concepts of OS and networks etc.
Tips: Be thorough with the core concepts in subjects like OS and networks

Round: Technical Interview
Experience: This interview was a little more of marketing PayPal to me than an interview. He however slipped in the questions given above. The machine learning question was a little too obvious to apply thresholding and I wasted time trying to get better algorithms when he expected only thresholding.
Tips: Do not tell you are the topper if you are, because I did and he clearly said they don't hire toppers!

Round: HR Interview
Experience: This interview was more to get the truth out of me. I have a very research oriented profile and that was evident from my resume. The interview was to find out whether I would really join their company if offered.
Tips: If you have a high CG and research experience but still want to go for a job, make sure you tune your resume to prune out the research and only market the side which the company looks for, otherwise the company will reject you.

Skills: Computer Science Concepts, OS, Networks, OOP, Machine Learning
College Name: IIT HYDERABAD
Motivation: Just as a backup since I was indeed planning for a masters program. Highest paying package among the companies at that time.

MasterCard Interview FAQs

How many rounds are there in MasterCard Senior Software Engineer 1 interview?
MasterCard interview process usually has 3 rounds. The most common rounds in the MasterCard interview process are Technical, Group Discussion and One-on-one Round.
How to prepare for MasterCard Senior Software Engineer 1 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 Information Security, Automation Testing, Debugging, Hibernate and Scrum.
What are the top questions asked in MasterCard Senior Software Engineer 1 interview?

Some of the top questions asked at the MasterCard Senior Software Engineer 1 interview -

  1. Java code to find numbe of repeated characters in Str...read more
  2. Describe design patterns in Microserv...read more
  3. scenario based questi...read more

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MasterCard Senior Software Engineer 1 Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
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MasterCard Senior Software Engineer 1 Salary
based on 4 salaries
₹15.5 L/yr - ₹32 L/yr
12% more than the average Senior Software Engineer 1 Salary in India
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