TCS Software Developer Interview Questions, Process, and Tips

Q1. How is security implemented in your application?
Ans. 
Security is implemented in our application through encryption, authentication, and authorization mechanisms.
• We use encryption algorithms to secure sensitive data both at rest and in transit.

• Authentication is implemented through secure login mechanisms like OAuth or JWT.

• Authorization controls access to different parts of the application based on user roles and permissions.
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It was a basic filtering round based on aptitude.

I had two medium-level LeetCode questions.

Q1. During the interview, I was asked both HR and technical questions. Initially, I responded to technical inquiries regarding HTML, MongoDB, SQL, and JavaScript, as they were listed on my resume. After addres...read more
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Q2. What are different types of tag in html and tags which do not require closing tag
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Q3. Sql query for highest salary from list of employees table
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In which they ask aptitude coding question

Q1. What is oops and pillars of oops?
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20 min for 1 round of interview

Q1. Opps concepts with uses
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and managing code efficiently.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementati...read more
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Q2. Multithreading and how to use it
Ans. 
Multithreading allows multiple threads to run concurrently, improving performance and responsiveness.
• Multithreading is used to execute multiple tasks simultaneously within a single process.

• It can improve performance by utilizing multiple CPU cores efficiently.

• Common multithreading libraries include Java's Thread class and C#'s Task Parallel Library.

• Example: In a web server, multithreading can handle multiple client req...read more
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Q1. Introduce yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java and Python programming languages

• Skilled in web development using HTML, CSS, and JavaScript

• Familiar with Agile development methodologies
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Q2. Dtrength and weaknesses
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