MIB Senior Software Engineer Interview Questions and Answers

Q1. Java questions and basics of testing
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Q1. Basic java and rest full API, multithreading and stream
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10 min aptitude test

3 coding problem to solve on hackerrank

Multiple choice test

Q1. Technical interview
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Q1. HR discussion and salary negotiations
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Q1. What are indexes in the database? what is the difference between clustered and non-clustered indexes?
Ans. 
Indexes are used to improve database performance. Clustered indexes determine the physical order of data, while non-clustered indexes do not.
• Indexes are used to speed up data retrieval operations in a database.

• Clustered indexes determine the physical order of data in a table, while non-clustered indexes do not.

• A table can have only one clustered index, but multiple non-clustered indexes.

• Clustered indexes are generally ...read more
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Q2. Write a query to delete duplicate rows from a table.
Ans. 
Query to delete duplicate rows from a table
• Use GROUP BY clause to group the rows by their unique values

• Use HAVING clause to filter out the groups with count greater than 1

• Use DELETE statement to delete the duplicate rows
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Q3. Class A { public string A() { return "hello"; } } what is wrong with above code?
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Q4. What is a singleton pattern and how to implement it?
Ans. 
Singleton pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.
• Create a private constructor to restrict instantiation of the class

• Create a private static instance of the class

• Create a public static method to access the instance

• Ensure thread safety if necessary

• Examples: Database connection, Logger, Configuration settings
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Q5. How do you handle exceptions in stored procedures?
Ans. 
Handle exceptions in stored procedures by using TRY-CATCH blocks.
• Use TRY-CATCH blocks to catch and handle exceptions

• Log the error message and severity level

• Rollback the transaction if necessary

• Rethrow the error if it cannot be handled

• Use RAISERROR to raise custom error messages
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Q6. Explain SOLID principles.
Ans. 
SOLID principles are a set of five design principles that help in creating maintainable and scalable software.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: C...read more
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Q7. Difference between throw and throw exception?
Ans. 
throw is used to throw an exception while throw exception is used to throw a specific exception.
• throw is used to throw any type of exception while throw exception is used to throw a specific type of exception.

• throw exception is followed by the type of exception that needs to be thrown.

• throw can be used to throw any object while throw exception can only be used to throw an exception object.

• Example: throw new Exception("
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Q1. Few questions on Basic of react JS, Hooks, basic JS like temporal dead zone, scope
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Q2. Questions on GIT and GIT HUB, Merges, Commits, Squash
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Q3. Scrum related questions
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Q1. 1st round-Hacker rank test, there will be MCQ type questions and 2 programs
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Q2. 2nd round- Technical round
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Q3. PDM round-managerial discussion
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Q4. Hr round-Salary discussion
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Q1. What are your strengths and weakness in the Testing domain?
Ans. It is a subjective question where the expectation is to showcase the experience the candidate has in different domains and with different technologies they have worked on. The answer should clearly reflect the accomplishments and challenges faced during the entire career path.
Answered by nimesh gupta
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Q2. Explain the complex test scenario automated by you in your career
Ans. 
Automated testing of a complex financial transaction system with multiple user roles and permissions
• Created automated test scripts using Selenium to simulate different user roles accessing the system

• Tested various scenarios such as fund transfers, account creation, and transaction history

• Implemented data-driven testing to validate different input combinations and edge cases

• Used API testing tools like Postman to verify ...read more
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