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TCS Software Developer Interview Questions and Answers for Experienced
41 Interview questions
Synthesizing data involves techniques to create synthetic datasets for training machine learning models effectively.
Identify the target variable and features needed for the model.
Use data augmentation techniques, such as rotation or flipping for images.
Employ simulation methods to generate data based on known distributions.
Leverage generative models like GANs (Generative Adversarial Networks) to create realistic s...
A string is a sequence of characters used to represent text in programming and data processing.
Strings can include letters, numbers, symbols, and whitespace. Example: 'Hello, World!'
In most programming languages, strings are immutable, meaning they cannot be changed after creation. Example: In Python, 's = 'abc'; s[0] = 'A' raises an error.
Strings can be concatenated using operators or functions. Example: 'Hello' ...
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...
What people are saying about TCS
Microservices are an architectural style that structures an application as a collection of loosely coupled services.
Microservices allow for independent deployment of services, enhancing agility.
Each service can be developed in different programming languages; for example, a service in Java and another in Python.
Microservices communicate over lightweight protocols, often using REST APIs or messaging queues.
They pro...
ReactJS is a JavaScript library for building user interfaces.
ReactJS is developed and maintained by Facebook.
It uses a component-based architecture for building reusable UI components.
ReactJS uses a virtual DOM for efficient rendering of components.
It allows for declarative programming, making it easier to reason about the UI.
ReactJS can be used for building single-page applications, mobile apps, and more.
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Node.js is a runtime environment that allows you to run JavaScript on the server side.
Node.js is built on Chrome's V8 JavaScript engine.
It uses an event-driven, non-blocking I/O model.
Node.js is commonly used for building scalable network applications.
Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.
Allows users to access and use resources on-demand
Reduces the need for physical hardware and infrastructure
Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform
String is immutable, StringBuffer is mutable in Java.
String is immutable, meaning its value cannot be changed once it is created.
StringBuffer is mutable, meaning its value can be changed after it is created.
StringBuffer is synchronized, making it thread-safe for use in multi-threaded environments.
StringBuffer is slower than String for most operations due to synchronization.
Example: String str = "Hello"; StringBuff...
TCS Software Developer Interview Experiences for Experienced
97 interviews found
33_Kaustubh Iparakar
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
I registered for the TCS Codevita, which is held online, and the questions are of medium difficulty.
Interview Preparation Tips
Anonymous
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Java frameworks
- Q2. Java pointers, Java variables
- Q3. Java jdbc,Java servlets
- Q4. Java strings , Java object
- Q5. Java structures ,
Interview Preparation Tips
Sourabh Dhamnekar
(1 Question)
- Q1. Spring boot & core java
(1 Question)
- Q1. Spring boot & core java
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. What is rsjx operator
- Q2. What is rsjx ngrx
- Ans.
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 provides ...
Interview Preparation Tips
Bala Murali Krishna Biyyapu
Selected
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. Programing basics
- Q2. Coding in any language
Selected
All aptitude syllabus and coding
(2 Questions)
- Q1. About developer skill
- Q2. Related to java
(1 Question)
- Q1. Document verification
Vaibhav Chaudhari
(2 Questions)
- Q1. What is reactjs
- Ans.
ReactJS is a JavaScript library for building user interfaces.
ReactJS is developed and maintained by Facebook.
It uses a component-based architecture for building reusable UI components.
ReactJS uses a virtual DOM for efficient rendering of components.
It allows for declarative programming, making it easier to reason about the UI.
ReactJS can be used for building single-page applications, mobile apps, and more.
- Q2. What is hoisting in javascript?
- Ans.
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Skills evaluated in this interview
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is cluster in nodejs
- Q2. What is callback hell and how to avoid
- Ans.
Callback hell refers to the difficulty of managing nested callbacks in asynchronous programming, leading to complex and unreadable code.
Use Promises: Instead of callbacks, use Promises to handle asynchronous operations, which can be chained for better readability.
Async/Await: Utilize async/await syntax to write asynchronous code that looks synchronous, making it easier to read and maintain.
Modularize Code: Break down c...
(2 Questions)
- Q1. Core java questions ,expalin how hashmap internally work
- Q2. Collection framework, diff betn soap and microservices
Interview Preparation Tips
Jyothi Anand kantimahanthy
I applied via Campus Placement
Verbal and reasoning and aptitude
2 easy coding questions
(2 Questions)
- Q1. Explain your project
- Q2. Are u available for rotational shifts
- Ans.
Yes, I am available for rotational shifts.
I am flexible with my work schedule and can accommodate rotational shifts.
I understand the importance of being available during different times to support the team.
I have previous experience working in rotational shifts and have no issues with it.
Interview Preparation Tips
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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TCS Software Developer Reviews and Ratings
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