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MasterCard Senior Software Engineer Interview Questions, Process, and Tips
Top MasterCard Senior Software Engineer Interview Questions and Answers
- Q1. What if your application is down for 1 hour in one site in prod?
- Q2. How do you make sure a throttling system process dropped messages from a slow downstream service?
- Q3. How to pass input field values from form to db. How to make code testable/loosely coupled.
MasterCard Senior Software Engineer Interview Experiences
12 interviews found
Anonymous
(4 Questions)
- Q1. What are SSL certificates?
- Ans.
SSL certificates are digital certificates that authenticate the identity of a website and encrypt information sent to the server.
SSL certificates ensure secure communication between a user's browser and a website's server.
They use encryption to protect sensitive data such as login credentials, credit card information, etc.
SSL certificates are issued by Certificate Authorities (CAs) and contain information about the web...
- Q2. What are the ways to secure REST API?
- Ans.
Securing REST API involves using authentication, authorization, encryption, and input validation.
Use authentication methods like OAuth, JWT, or API keys to verify the identity of clients.
Implement authorization to control access to resources based on user roles and permissions.
Encrypt data transmission using HTTPS to protect sensitive information from being intercepted.
Validate and sanitize input data to prevent inject
- Q3. What if your application is down for 1 hour in one site in prod?
- Ans.
I would investigate the root cause, work on fixing the issue, and implement measures to prevent it from happening again.
Investigate the root cause of the downtime, such as network issues, server failures, or software bugs
Work on fixing the issue promptly to minimize impact on users and business operations
Implement measures to prevent similar downtime in the future, such as redundancy, monitoring, and failover mechanism
- Q4. How do you make sure a throttling system process dropped messages from a slow downstream service?
- Ans.
Implement a throttling system to handle dropped messages from a slow downstream service.
Implement a queue to store messages from the downstream service.
Set a maximum queue size and drop messages when the queue is full.
Use a timestamp to track when messages were received and process them in order.
Implement a retry mechanism to reprocess dropped messages after a certain time.
Monitor the queue size and processing speed to
Skills evaluated in this interview
(3 Questions)
- Q1. System design basics
- Q2. Java 8 stream api code
- Q3. Current project
(2 Questions)
- Q1. Only arrogance related stuff
- Q2. Only arrogance related stuff happened
Interview Preparation Tips
Not at all talented asked me everything theoretical ,no evaluation from logic building or coding perspective just some random stupid google questions based upon their own internal project work .
I am not happy with the style of evaluation also interviewer was too much arrogant and rude .never met these kind of people.
I do too belongs to equal product based,good technical background but never seen anyone rude to this level.
himadri singh
Selected
(1 Question)
- Q1. Micro services architecture
(1 Question)
- Q1. Java ,springboot
(1 Question)
- Q1. Springboot and java questions
What people are saying about MasterCard
(2 Questions)
- Q1. Design Calendar System
- Ans.
Design a calendar system for scheduling events and managing time.
Include features like creating events, setting reminders, and viewing schedules.
Allow users to set recurring events and customize event details.
Implement a user-friendly interface for easy navigation and interaction.
Integrate with other applications for seamless data sharing.
Consider scalability and performance for handling large amounts of data.
- Q2. Leetcode medium question
Skills evaluated in this interview
MasterCard interview questions for designations
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There was 1 interview round.
(1 Question)
- Q1. Tell about your experience
Get interview-ready with Top MasterCard Interview Questions
Selected
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Basic Java questions, collections, design pattern related questions.
- Q2. Spring Boot and angular
(1 Question)
- Q1. Advance Java concepts, spring Boot and angular questions.
(1 Question)
- Q1. Design pattern, Java, spring boot
(1 Question)
- Q1. Advance Java, spring boot, database, microservices, etc
Senior Software Engineer Jobs at MasterCard
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
Interview was conducted by third party for screening
Basic GoLang question
Basic question on Kubern8s cluster
Question on aggregating different Strings based on requirement.
Interview Preparation Tips
- golang
- DSA
(1 Question)
- Q1. They asked about previous projects in depth
(1 Question)
- Q1. They asked techinal all java
(1 Question)
- Q1. Techincal kafka all questions
Shreya
(1 Question)
- Q1. Detailed flow from FE to BE to db.
- Ans.
The flow of data from the front end to the back end to the database.
Front end sends a request to the back end server.
Back end processes the request and interacts with the database.
Database retrieves or updates the data and sends it back to the back end.
Back end sends the response to the front end for display.
(1 Question)
- Q1. How to pass input field values from form to db. How to make code testable/loosely coupled.
- Ans.
Pass input field values from form to db by using a data access layer and dependency injection for testability.
Create a data access layer to handle interactions with the database.
Use parameterized queries to prevent SQL injection.
Implement dependency injection to decouple the code and make it testable.
Mock the data access layer in unit tests to isolate database interactions.
Use interfaces to define contracts between com
(1 Question)
- Q1. Salary discussion
Skills evaluated in this interview
Hemant D
Selected
I applied via Company Website and was interviewed before May 2023. There were 3 interview rounds.
Screening round containing basic coding
Coding based on DSA Algorithm
Coding plus managerial round
Interview Preparation Tips
- DSA
Selected
I applied via Company Website and was interviewed before Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. Data architecture,
- Q2. Processing semi structured data
- Ans.
Processing semi structured data involves extracting and organizing information from data that does not fit neatly into a traditional database structure.
Use tools like Apache Spark or Hadoop for processing semi structured data
Utilize techniques like data parsing, data cleaning, and data transformation
Consider using NoSQL databases like MongoDB for storing semi structured data
Examples include processing JSON, XML, or log
Interview Preparation Tips
Skills evaluated in this interview
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MasterCard Senior Software Engineer Interview Process
based on 12 interviews
3 Interview rounds
- Technical Round - 1
- Technical Round - 2
- Technical Round - 3
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MasterCard Senior Software Engineer Reviews and Ratings
based on 72 reviews
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