MasterCard Senior Software Engineer Interview Questions and Answers for Experienced

Q1. Explain the last technically challenging topic that you have worked on. The engineering manager is only interested in self boasting. Without even trying to understand the entire problem statement, they try...read more
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Online assesment . 5 coding question in 90 minutes

Hackerrank coding test with paired screen. They give problem we have to write the logic

Again hacker rank code pair. the give problem and have to write logic. this round with staff senior engineer

Online test link given data structures were asked, array problem and string problem
Likewise Double Linked List was also asked

Q1. Spring boot API endpoint description
Ans. 
Spring Boot API endpoint is a URL that exposes the functionality of a web service.
• API endpoints are the entry points for the client to access the server's resources.

• Spring Boot provides a simple and easy way to create RESTful APIs.

• Endpoints can be secured using Spring Security.

• Endpoints can be documented using Swagger or Spring REST Docs.

• Examples: /users, /products, /orders
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Q2. CI CD pipeline, Docker Kubernetes
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Hacker rank test based on string manipulation questions

Q1. 2nd round will be technical
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Q2. Yes mostly coding and DS questions you can also expect one logical IQ question
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Q1. This round was mostly behavioural and culture fit round with Manager
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Q1. Salary negotiation
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Q2. Notice period discussions
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I was asked two DSA questions and duration was of one hour.
1. Calculate Sum of edges of LinkedList
2. Given a list of numbers, find out all the pythagorean triplets.

This was also a DSA round for 1 hour and expected to solve two problems (Medium)

This was a system design round for one hour

Q1. Performance tuning
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Q2. Advance sql queries
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Q3. Subqueries in oracle
Ans. 
Subqueries in Oracle are queries nested within another query to retrieve data from multiple tables.
• Subqueries can be used in SELECT, INSERT, UPDATE, and DELETE statements.

• Subqueries can return a single value, a single row, multiple rows, or a table.

• Subqueries can be correlated or non-correlated, depending on whether they reference columns from the outer query.

• Example: SELECT * FROM employees WHERE department_id = (SELE...read more
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Q1. Reason for change
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Q2. Situational questions
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