MasterCard Interview Questions, Process, and Tips

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.
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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
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Q1. Salary discussion
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Q1. Js based questions were asked
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Q2. ES syntax arrow functions and more
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Submit one minute introduction video

Q1. Why [company]? what I hope to gain
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Q1. Interview with Manager and Lead They discussed on .Net technology end to end Project management Windows and web experience Real-time problem statement for payment gateway and integration Legacy application...read more
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Q1. Interview with Software Director .Net core and Azure Application Gateway Payment gateway design and pattern Real-time problems
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Q1. Carrer discussion Current role and project discussion Situation based questions
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Q1. HR discussion Understand current role expectations Policy discussion Real-time scenario for team management Career discussion Explain benefits and work culture
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Screening round containing basic coding

Coding based on DSA Algorithm

Coding plus managerial round

Q1. Basic of Java, Solid Principle, hash code and equal method, about log4j vulnerability, roles and responsibilities in your current project, Microservice architecture, adapter design pattern, factory design ...read more
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Q1. This round was more specific to project, deployments, what you are using for checking logs, how you are deploying your application, what is your responsibility in your project etc..
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