TCS Senior Software Engineer Interview Questions, Process, and Tips

Q1. Share any technical challenge you faced recently Spoke about a caching issue faced on my project in the last month
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Q2. Share how you mentor your juniors
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Q1. Write a program to find the balanced string using java
Ans. 
Program to find balanced strings in Java
• Create a method that takes an array of strings as input

• Iterate through each string and check if it is balanced

• Use a stack to keep track of opening brackets and pop when closing bracket is encountered

• Return the list of balanced strings
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Q2. Write a program to find the unique objects using java
Ans. 
Program to find unique objects in an array of strings using Java
• Create a HashSet to store unique objects

• Iterate through the array and add each object to the HashSet

• Convert the HashSet back to an array to get the unique objects
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There will be system test which has to be completed within 20 minutes

Q1. A senior technical person will interview our work experience and skill set
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Q2. Questions will be from the core of the programming language for which the position is.
Ans. For example, if the interview is for Node js, then the questions will be about the event loop, clusters and workers
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Q1. Things required for joining procedures will be discussed here
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Q2. Need to submit 3 months payslip, bank statements and previous work onboard documents with salary structure
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Q1. What is constraints?
Ans. 
Constraints are limitations or restrictions placed on a system or process.
• Constraints define the boundaries within which a system must operate.

• They can include limitations on resources, time, budget, or functionality.

• Examples of constraints in software development include deadlines, hardware limitations, and security requirements.
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Q2. What are the types of joins?
Ans. 
Types of joins include inner join, outer join, left join, right join, and full join.
• Inner join: Returns rows when there is a match in both tables.

• Outer join: Returns all rows when there is a match in one of the tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full join: Returns rows
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Q3. What is difference between PK and unique key?
Ans. 
Primary key uniquely identifies a record in a table, while a unique key ensures that all values in a column are distinct.
• Primary key is a combination of unique and not null constraints

• Primary key can only be one per table, while multiple unique keys can exist

• Primary key automatically creates a clustered index, while unique key creates a non-clustered index

• Example: Primary key for a 'users' table could be 'user_id', whi
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Q1. Why do you want to switch?
Ans. 
I am seeking new challenges and opportunities for growth in my career.
• Looking for opportunities to work on more complex projects

• Interested in learning new technologies and tools

• Seeking a more collaborative team environment

• Want to take on more leadership responsibilities
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Q2. Where do you see yourself in next 5 years?
Ans. 
In the next 5 years, I see myself leading a team of software engineers, working on cutting-edge technologies, and contributing to the growth of the company.
• Leading a team of software engineers

• Working on cutting-edge technologies

• Contributing to the growth of the company
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