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TCS Technical Lead Interview Questions and Answers for Experienced

Updated 26 May 2025

24 Interview questions

A Technical Lead was asked 2mo ago
Q. What are some coding questions you might ask?
Ans. 

Coding questions assess problem-solving skills, algorithm knowledge, and coding proficiency in technical interviews.

  • Focus on data structures: e.g., arrays, linked lists, trees.

  • Practice algorithms: sorting (e.g., quicksort), searching (e.g., binary search).

  • Understand time and space complexity: Big O notation.

  • Solve common problems: e.g., FizzBuzz, palindrome check, anagram detection.

  • Use coding platforms: LeetCode, H...

A Technical Lead was asked 3mo ago
Q. What are the differences between CASE and DECODE statements?
Ans. 

CASE and DECODE are SQL functions for conditional logic, but they differ in syntax and flexibility.

  • CASE can handle multiple conditions and is more versatile than DECODE.

  • DECODE is simpler and works like a switch-case statement, but is limited to equality checks.

  • Example of CASE: SELECT CASE WHEN score >= 90 THEN 'A' WHEN score >= 80 THEN 'B' ELSE 'C' END AS grade.

  • Example of DECODE: SELECT DECODE(score, 90, 'A'...

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Q5. What is the purpose of React and its latest hooks?
🔥 Asked by recruiter 24 times
A Technical Lead was asked 4mo ago
Q. Tell me about yourself.
Ans. 

Experienced tech lead with a passion for innovative solutions and team empowerment, driving projects from concept to successful delivery.

  • Over 8 years of experience in software development and team leadership.

  • Led a team of 10 engineers in developing a scalable e-commerce platform, increasing sales by 30%.

  • Expert in Agile methodologies, successfully implementing Scrum practices to enhance team productivity.

  • Strong bac...

🔥 Asked by recruiter 2 times
A Technical Lead was asked 9mo ago
Q. What is the difference between SQL and NoSQL databases?
Ans. 

SQL is a relational database management system, while NoSQL is a non-relational database management system.

  • SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.

  • SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage and real-time web applicatio...

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A Technical Lead was asked 10mo ago
Q. What is the difference between ViewBag, ViewData, and TempData?
Ans. 

Viewbag, Viewdata, and Tempdata are used to pass data from controller to view in ASP.NET MVC.

  • ViewBag is a dynamic property that allows you to pass data from controller to view.

  • ViewData is a dictionary object that is used to pass data from controller to view.

  • TempData is a dictionary object that is used to pass data from one controller action to another.

  • ViewBag is a property of the ControllerBase class, ViewData is ...

A Technical Lead was asked 12mo ago
Q. Explain the design patterns you have used.
Ans. 

Design patterns are reusable solutions to common problems in software design.

  • Design patterns help in creating flexible, maintainable, and scalable software.

  • Some commonly used design patterns include Singleton, Factory, Observer, and Strategy.

  • Singleton pattern ensures a class has only one instance and provides a global point of access to it.

  • Factory pattern creates objects without specifying the exact class of objec...

A Technical Lead was asked
Q. What is a data action in Genesys Cloud?
Ans. 

Data actions in Genesys Cloud are used to manipulate data within the platform.

  • Data actions allow users to perform actions on data such as creating, updating, or deleting records.

  • They can be used in automation flows to streamline processes and improve efficiency.

  • Examples of data actions include creating a new contact record, updating a customer's information, or deleting a ticket entry.

Are these interview questions helpful?
A Technical Lead was asked
Q. What are data tables in Genesys Cloud?
Ans. 

Data tables in Genesys Cloud are used to store and manage structured data for reporting and analytics purposes.

  • Data tables allow users to create custom tables to store data in a structured format

  • Users can import data into data tables from external sources

  • Data tables can be used to create custom reports and dashboards based on the stored data

A Technical Lead was asked
Q. How do you implement hash sort?
Ans. 

Quickly sort elements by repeatedly selecting the minimum element from unsorted portion and placing it at the beginning.

  • Initialize a pointer to the first element of the array.

  • Iterate through the array to find the minimum element.

  • Swap the minimum element with the element at the pointer position.

  • Move the pointer to the next position and repeat the process until the array is sorted.

A Technical Lead was asked
Q. Can you give an example of using Flow?
Ans. 

Flow is a tool that automates workflows between different apps and services.

  • Flow allows users to create automated workflows by connecting different apps and services.

  • Users can set up triggers and actions to automate tasks without manual intervention.

  • For example, a user can create a flow that automatically saves email attachments to a cloud storage service.

TCS Technical Lead Interview Experiences for Experienced

39 interviews found

Technical Lead Interview Questions & Answers

user image satish mirtipati

posted on 28 Feb 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Aug 2024.

Round 1 - One-on-one 

(1 Question)

  • Q1. What about the past experiences.
  • Ans. 

    I have over 8 years of experience in software development, with a focus on leading technical teams and delivering high-quality products.

    • Led a team of developers in implementing a new CRM system, resulting in a 20% increase in customer satisfaction

    • Managed a project to migrate legacy systems to a cloud-based infrastructure, reducing maintenance costs by 30%

    • Collaborated with cross-functional teams to deliver a mobile app ...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Avout the SQL queries
Round 3 - HR 

(1 Question)

  • Q1. Package discussion and general HR questions
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Difference between sql and nosql
  • Ans. 

    SQL is a relational database management system, while NoSQL is a non-relational database management system.

    • SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.

    • SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage and real-time web applications.

    • Ex...

  • Answered by AI
  • Q2. Datavase design and normalisation

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Technical Challenges , spring boot, Memory optimization
Round 2 - One-on-one 

(1 Question)

  • Q1. How to handle team
  • Ans. 

    Handle team by setting clear goals, providing support, fostering communication, and recognizing achievements.

    • Set clear goals and expectations for the team

    • Provide necessary support and resources for team members

    • Foster open communication and collaboration within the team

    • Recognize and reward team achievements

    • Address conflicts and issues promptly and constructively

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Scenario based question
  • Q2. Focused on Cobol
Round 2 - HR 

(2 Questions)

  • Q1. Salary discussion
  • Q2. Basic details
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is the difference between Viewbag, Viewdata and Tempdata?
  • Ans. 

    Viewbag, Viewdata, and Tempdata are used to pass data from controller to view in ASP.NET MVC.

    • ViewBag is a dynamic property that allows you to pass data from controller to view.

    • ViewData is a dictionary object that is used to pass data from controller to view.

    • TempData is a dictionary object that is used to pass data from one controller action to another.

    • ViewBag is a property of the ControllerBase class, ViewData is a pro...

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is data action in Genesys Cloud
  • Ans. 

    Data actions in Genesys Cloud are used to manipulate data within the platform.

    • Data actions allow users to perform actions on data such as creating, updating, or deleting records.

    • They can be used in automation flows to streamline processes and improve efficiency.

    • Examples of data actions include creating a new contact record, updating a customer's information, or deleting a ticket entry.

  • Answered by AI
  • Q2. What is data tables in Genesys cloud
  • Ans. 

    Data tables in Genesys Cloud are used to store and manage structured data for reporting and analytics purposes.

    • Data tables allow users to create custom tables to store data in a structured format

    • Users can import data into data tables from external sources

    • Data tables can be used to create custom reports and dashboards based on the stored data

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Tell about yourself
  • Q2. Why are you looking for a change

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview in Nov 2024, where I was asked the following questions.

  • Q1. Architecture and daily roles
  • Q2. Troubleshooting

Technical Lead Interview Questions & Answers

user image priyanka patra

posted on 9 Apr 2025

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
  • Q1. Differences between case and decode
  • Ans. 

    CASE and DECODE are SQL functions for conditional logic, but they differ in syntax and flexibility.

    • CASE can handle multiple conditions and is more versatile than DECODE.

    • DECODE is simpler and works like a switch-case statement, but is limited to equality checks.

    • Example of CASE: SELECT CASE WHEN score >= 90 THEN 'A' WHEN score >= 80 THEN 'B' ELSE 'C' END AS grade.

    • Example of DECODE: SELECT DECODE(score, 90, 'A', 80,...

  • Answered by AI
  • Q2. Explain cursor and exception handling
  • Ans. 

    Cursors allow row-by-row processing of SQL results, while exception handling manages errors in code execution.

    • Cursors are database objects used to retrieve, manipulate, and navigate through a result set one row at a time.

    • Types of cursors include static, dynamic, forward-only, and keyset-driven, each serving different use cases.

    • Example of cursor usage: DECLARE cursor_name CURSOR FOR SELECT column_name FROM table_name;

    • Ex...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I appeared for an interview in Oct 2024, where I was asked the following questions.

  • Q1. Tell me about a project you worked on
  • Q2. What are the coding questions
  • Ans. 

    Coding questions assess problem-solving skills, algorithm knowledge, and coding proficiency in technical interviews.

    • Focus on data structures: e.g., arrays, linked lists, trees.

    • Practice algorithms: sorting (e.g., quicksort), searching (e.g., binary search).

    • Understand time and space complexity: Big O notation.

    • Solve common problems: e.g., FizzBuzz, palindrome check, anagram detection.

    • Use coding platforms: LeetCode, Hacker...

  • Answered by AI
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Sep 2024, where I was asked the following questions.

  • Q1. Tell me About Yourself
  • Ans. 

    Experienced tech lead with a passion for innovative solutions and team empowerment, driving projects from concept to successful delivery.

    • Over 8 years of experience in software development and team leadership.

    • Led a team of 10 engineers in developing a scalable e-commerce platform, increasing sales by 30%.

    • Expert in Agile methodologies, successfully implementing Scrum practices to enhance team productivity.

    • Strong backgrou...

  • Answered by AI
  • Q2. Core java, springboot, java 8
  • Q3. Sql, queries, indexes

TCS Interview FAQs

How many rounds are there in TCS Technical Lead interview for experienced candidates?
TCS interview process for experienced candidates usually has 2-3 rounds. The most common rounds in the TCS interview process for experienced candidates are Technical, HR and Resume Shortlist.
How to prepare for TCS Technical Lead interview for experienced candidates?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at TCS. The most common topics and skills that interviewers at TCS expect are Java, Spring Boot, Angular, Javascript and Microservices.
What are the top questions asked in TCS Technical Lead interview for experienced candidates?

Some of the top questions asked at the TCS Technical Lead interview for experienced candidates -

  1. @Transactional default behaviour, difference between Authentication and Authori...read more
  2. why we use event in c#? ...read more
  3. Where we can use node js to take maximum advanta...read more
What are the most common questions asked in TCS Technical Lead HR round for experienced candidates?

The most common HR questions asked in TCS Technical Lead interview are for experienced candidates -

  1. What are your salary expectatio...read more
  2. Share details of your previous j...read more
How long is the TCS Technical Lead interview process?

The duration of TCS Technical Lead interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4.1/5

based on 30 interview experiences

Difficulty level

Easy 14%
Moderate 82%
Hard 5%

Duration

Less than 2 weeks 57%
2-4 weeks 24%
4-6 weeks 14%
More than 8 weeks 5%
View more
TCS Technical Lead Salary
based on 9.2k salaries
₹10.3 L/yr - ₹23 L/yr
11% less than the average Technical Lead Salary in India
View more details

TCS Technical Lead Reviews and Ratings

based on 633 reviews

3.3/5

Rating in categories

3.4

Skill development

3.6

Work-life balance

2.4

Salary

4.3

Job security

3.2

Company culture

2.3

Promotions

3.1

Work satisfaction

Explore 633 Reviews and Ratings
Big Data Tech Lead

Hyderabad / Secunderabad,

Pune

+1

8-13 Yrs

₹ 3.1-37.5 LPA

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