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TCS Software Developer Interview Questions and Answers
296 Interview questions
Multithreading is a programming technique that allows multiple threads to run concurrently, improving application performance and responsiveness.
Concurrency: Multithreading enables multiple threads to execute simultaneously, making better use of CPU resources.
Responsiveness: In GUI applications, multithreading keeps the interface responsive by performing background tasks without freezing the UI.
Resource Sharing: T...
The JVM (Java Virtual Machine) and JDK (Java Development Kit) are essential components for running and developing Java applications.
JVM: The Java Virtual Machine is an abstract computing machine that enables a computer to run Java programs by converting bytecode into machine code.
JDK: The Java Development Kit is a software development kit that provides tools and libraries for developing Java applications, includin...
RxJS is a library for reactive programming using Observables, often used with NgRx for state management in Angular applications.
Reactive Programming: RxJS enables developers to work with asynchronous data streams, allowing for more responsive applications.
Observables: Core to RxJS, Observables represent a collection of future values or events, making it easier to handle asynchronous operations.
Operators: RxJS prov...
The rsjx operator is a reactive programming operator used in RxJS for combining multiple observables into one.
Combines Observables: The rsjx operator allows you to merge multiple observables into a single observable stream.
Example: Using rsjx to combine two observables: `combineLatest(obs1, obs2)` emits the latest values from both observables whenever either emits.
Error Handling: It can handle errors from any of t...
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Batch processing is a method of executing a series of jobs or tasks without manual intervention, often used for large data sets.
Processes multiple data inputs at once, improving efficiency.
Commonly used in payroll systems, where employee data is processed in batches.
Used in data analysis, where large datasets are processed overnight.
Examples include ETL (Extract, Transform, Load) processes in data warehousing.
What are the roles & responsibilities of a Software Developer at TCS?
Read full roles & responsibilities 
URL versioning is a method to manage API versions by including version information in the URL structure.
Allows clients to specify which version of the API they want to use.
Commonly implemented by adding a version number in the URL, e.g., /api/v1/resource.
Facilitates backward compatibility, enabling older clients to continue functioning.
Can be used in RESTful APIs to manage changes without breaking existing functio...
TCS HR Interview Questions
Snowflake is a cloud-based data warehousing platform with a unique architecture for scalability and performance.
Separation of storage and compute: Snowflake allows independent scaling of storage and compute resources.
Multi-cloud support: It operates on AWS, Azure, and Google Cloud, providing flexibility in deployment.
Data sharing capabilities: Users can share data securely across different Snowflake accounts witho...
Zero Copy Cloning in Snowflake allows instant, cost-effective data duplication without physical data copying.
Clones are created instantly without duplicating the actual data.
Uses metadata pointers to reference the original data, saving storage costs.
Cloned data can be modified independently of the original data.
Example: A developer can clone a production database for testing without incurring additional storage co...
Snowflake's data processing architecture involves stages for data ingestion, storage, processing, and analysis.
Data Ingestion: Loading data from various sources like databases, cloud storage, or streaming services.
Data Storage: Utilizing a centralized storage layer that separates compute and storage for scalability.
Data Processing: Using SQL queries and Snowflake's compute resources to transform and analyze data.
D...
Python is a versatile programming language used for web development, data analysis, automation, and more in daily life.
Web Development: Frameworks like Django and Flask allow for rapid web application development.
Data Analysis: Libraries such as Pandas and NumPy enable efficient data manipulation and analysis.
Automation: Python scripts can automate repetitive tasks, like file management or data entry.
Machine Learn...
TCS Software Developer Interview Experiences
551 interviews found
Anonymous
Selected
I appeared for an interview in Jul 2025, where I was asked the following questions.
- Q1. What is python
- Ans.
Python is a high-level, interpreted programming language known for its readability and versatility in various applications.
Easy to learn: Python's syntax is clear and intuitive, making it accessible for beginners. Example: print('Hello, World!')
Versatile: Used in web development, data analysis, artificial intelligence, scientific computing, and more.
Rich libraries: Python has a vast ecosystem of libraries like NumPy fo...
- Q2. Featured of python
Skills evaluated in this interview
chandrika gadaputi
I appeared for an interview in Dec 2024.
Numerical aptitude test, logical reasoning test, and technical aptitude test.
Case study GD, topic based GD,Role_play GD
(5 Questions)
- Q1. Can you tell me yourself ?
- Ans.
I am a software developer with 5 years of experience in Java, Python, and SQL.
5 years of experience in Java, Python, and SQL
Strong problem-solving skills
Experience working in Agile development environment
Familiarity with version control systems like Git
- Q2. How did you hear about this role?
- Ans.
I found this role through a job posting on LinkedIn.
Saw job posting on LinkedIn
Applied through company website
Referred by a friend who works at the company
- Q3. What are your long term career goals?
- Ans.
My long term career goal is to become a senior software architect and lead a team of developers to create innovative solutions.
Work towards gaining expertise in various programming languages and technologies
Take on leadership roles in projects to develop management and communication skills
Attend industry conferences and workshops to stay updated on latest trends and advancements
Seek opportunities for mentorship and pro...
- Q4. Do you have any questions for me ?
- Q5. What do you know about our company?
- Ans.
Your company is a leading software development firm specializing in creating innovative solutions for various industries.
Your company has a strong reputation for delivering high-quality software products.
You have a diverse portfolio of clients from different industries.
Your company values innovation and creativity in software development.
Your team is known for its expertise in cutting-edge technologies like AI and bloc...
(2 Questions)
- Q1. What is your favourite programming language?
- Ans.
My favorite programming language is Python because of its simplicity, readability, and versatility.
Python is known for its clean and readable syntax, making it easy to learn and understand.
Python has a large standard library with built-in modules for various tasks, reducing the need for external libraries.
Python is versatile and can be used for web development, data analysis, artificial intelligence, and more.
- Q2. Can you explain the concept of object oriented programming?
- Ans.
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation is the concept of bundling data and methods that operate on the data within a single unit, such as a class.
Inheritance allows classes to inherit attribu...
Interview Preparation Tips
- General tropics
- Communication Skills
- Time Management
- Leadership Skills
Update your resume and online profiles
Research the company
Interview Preparation Tips
I appeared for an interview in Sep 2024.
An aptitude test evaluates an individual's potential to excel in a specific area by assessing their strengths and weaknesses in particular abilities.
An assessment that measures an individual's inherent abilities and potential for success in a specific activity.
A coding test is a programming assessment designed to evaluate a candidate's coding skills. It is a standard component of the technical hiring process for software developers and programmers.
Assessment that evaluates a candidate's coding skills
Group discussion (GD) topics for interviews may cover areas such as business, social issues, and current affairs. GDs serve to evaluate a candidate's communication, leadership, and teamwork abilities.
Discussion assignments are prompts that your teacher may assign to you. By participating in these discussions, you can reflect on your learning, share ideas and opinions, or ask and answer questions. Discussions may require you to respond to individual questions or provide multiple responses to an ongoing conversation.
Interview Preparation Tips
Research
Know your goals: Consider your values, strengths, and ideal work environment.
Research the company: Anticipate common interview questions.
Prepare your resume
Tailor your resume: Customize your resume for each job application.
Highlight your skills: Highlight how your skills and experience match the job description.
Use keywords: Use relevant keywords in your resume and cover letter.
Prepare for interviews
Prepare your answers: Use the STAR method to prepare your answers.
Research the company: Anticipate common interview questions.
Network
Expand your professional network: You may find that more people can recommend you to a new position.
Use your professional network: You can use your network for career advice.
Other tips Don't limit your search to online resources, Optimize your LinkedIn profile, Use several job-search websites, Keep your resume up-to-date, and Develop your interview skills.
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Be ready to explain and implement common data structures like arrays, linked lists, trees, and graphs, and algorithms like sorting and searching.
- Q2. Expect questions on basic programming concepts like loops, conditions, and data types, as well as your preferred programming language
- Q3. Be prepared to discuss networking concepts like TCP/IP, IP addressing, and network protocols.
- Q4. Understand OOPs concepts like classes, objects, inheritance, polymorphism, and abstraction.
20 min for 1 round of interview
(2 Questions)
- Q1. Opps concepts with uses
- 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...
(2 Questions)
- Q1. Introduce yourself
- Q2. Dtrength and weaknesses
Skills evaluated in this interview
Roshan Yadav
(2 Questions)
- Q1. Tell me about yourself
- Q2. Explain your projects
Reverse the number in the array
I applied via Walk-in and was interviewed in Nov 2024. There were 3 interview rounds.
Reverse string ,array sorting
(2 Questions)
- Q1. Why this company
- Q2. What do you know about this Company
(2 Questions)
- Q1. What c pointers
- Q2. What is strings
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. What is use of AI
- Q2. What is deep Copy and Shallow copy in python
- Q3. What do you mean by PCA in Ml
- Ans.
PCA, or Principal Component Analysis, is a dimensionality reduction technique used to simplify datasets while preserving variance.
PCA transforms data into a new coordinate system, where the greatest variance lies on the first axis.
It helps in reducing the number of features while retaining the essential information, making it easier to visualize data.
For example, in image processing, PCA can reduce the number of pixels...
Interview Preparation Tips
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Where do you envision yourself in the next five years?
- Ans.
In five years, I see myself as a lead developer, mentoring others and driving innovative projects that impact the industry.
I aim to lead a team of developers, guiding them through complex projects and fostering a collaborative environment.
I plan to deepen my expertise in emerging technologies, such as AI and machine learning, to contribute to cutting-edge solutions.
I envision myself taking on more responsibilities, pos...
- Q2. What are your strengths and weaknesses?
- Ans.
I excel in problem-solving and teamwork, but I sometimes struggle with time management under tight deadlines.
Strength: Strong problem-solving skills - I enjoy tackling complex coding challenges, like optimizing algorithms for better performance.
Strength: Effective teamwork - I thrive in collaborative environments, having successfully led a project with cross-functional teams.
Weakness: Time management - I occasionally u...
TCS Interview FAQs
Some of the top questions asked at the TCS Software Developer interview -
The duration of TCS Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Overall Interview Experience Rating
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TCS Software Developer Reviews and Ratings
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1.1L
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|  ₹3.9 L/yr - ₹8.3 L/yr |
|
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| ₹7.9 L/yr - ₹13 L/yr |
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