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TCS Big Data Engineer Interview Questions, Process, and Tips

Updated 7 Jan 2025

Top TCS Big Data Engineer Interview Questions and Answers

  • Q1. What optimization techniques have you utilized in your projects? Please explain with specific use cases.
  • Q2. What is the difference between lineage and directed acyclic graphs (DAG)?
  • Q3. What is the difference between cache and persistence?
View all 9 questions

TCS Big Data Engineer Interview Experiences

7 interviews found

Interview experience
2
Poor
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Aptitude Test 

Easy only so prepare well that's it

Round 3 - Technical 

(5 Questions)

  • Q1. What method you use
  • Ans. 

    I use a combination of programming languages, tools, and frameworks to analyze and process large datasets.

    • Utilize programming languages like Python, Java, or Scala for data processing

    • Leverage tools like Hadoop, Spark, or Kafka for distributed computing

    • Implement frameworks like MapReduce or Apache Flink for data analysis

    • Use SQL or NoSQL databases for data storage and retrieval

  • Answered by AI
  • Q2. Why you lleave current company
  • Q3. What skill you have
  • Q4. Tell about ur project
  • Q5. What you implemented
  • Ans. 

    Implemented a real-time data processing system using Apache Kafka and Spark for analyzing customer behavior.

    • Developed data pipelines to ingest, process, and analyze large volumes of data

    • Utilized Apache Kafka for real-time data streaming

    • Implemented machine learning algorithms for predictive analytics

    • Optimized data storage and retrieval for faster query performance

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Do well easy

Skills evaluated in this interview

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

(1 Question)

  • Q1. Basic Big Data architecture and coding questions

Big Data Engineer Interview Questions Asked at Other Companies

Q1. Difference between partitioning and bucketing. Types of joins in ... read more
asked in TCS
Q2. What optimization techniques have you utilized in your projects? ... read more
Q3. Checking whether a fibonacci number is present between a particuk ... read more
asked in TCS
Q4. What is the difference between lineage and directed acyclic graph ... read more
asked in TCS
Q5. What is the difference between cache and persistence?
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. External and internal table difference
  • Ans. 

    External tables are stored outside the database while internal tables are stored within the database.

    • External tables are created using the LOCATION clause to specify the data location.

    • Internal tables are created using the CREATE TABLE statement.

    • External tables can be accessed by multiple databases while internal tables are specific to a single database.

    • External tables are not managed by the database and can be deleted ...

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Salary expectation

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. What is the difference between lineage and directed acyclic graphs (DAG)?
  • Ans. 

    Lineage tracks the history of data transformations, while DAG is a graph structure with nodes representing tasks and edges representing dependencies.

    • Lineage focuses on the history of data transformations, showing how data has been derived or modified.

    • DAG is a graph structure where nodes represent tasks and edges represent dependencies between tasks.

    • Lineage helps in understanding the data flow and ensuring data quality ...

  • Answered by AI
  • Q2. What optimization techniques have you utilized in your projects? Please explain with specific use cases.
  • Ans. 

    I have utilized optimization techniques such as indexing, caching, and parallel processing in my projects.

    • Implemented indexing on large datasets to improve query performance

    • Utilized caching to store frequently accessed data and reduce load times

    • Implemented parallel processing to speed up data processing tasks

  • Answered by AI
  • Q3. What is the difference between cache and persistence?
  • Ans. 

    Cache is temporary storage used to store frequently accessed data for quick retrieval, while persistence refers to storing data permanently.

    • Cache is temporary and volatile, while persistence is permanent and non-volatile

    • Cache is typically faster to access than persistence

    • Examples of cache include browser cache, CPU cache, and in-memory cache systems like Redis

    • Examples of persistence include databases like MySQL, Postgr

  • Answered by AI

Interview Preparation Tips

Topics to prepare for TCS Big Data Engineer interview:
  • pyspark
  • SQL
  • Hive
  • Project Management
Interview preparation tips for other job seekers - Clear your basics. All the best

TCS interview questions for designations

 Big Data

 (1)

 Big Data Developer

 (1)

 Senior Big Data Engineer

 (1)

 Data Engineer

 (89)

 Senior Data Engineer

 (11)

 Data Center Engineer

 (2)

 Data Architect

 (2)

 Azure Data Engineer

 (15)

I applied via Naukri.com and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(4 Questions)

  • Q1. Spark , Hadoop Scala basic and advanced questions, SQL query 1)What repartition and coalesce. 3)Windows function .
  • Q2. What is hive metastore.
  • Ans. 

    Hive metastore is a central repository that stores metadata for Hive tables, including schema and location.

    • Hive metastore is used to manage metadata for Hive tables.

    • It stores information about the schema, location, and other attributes of tables.

    • The metastore can be configured to use different databases, such as MySQL or PostgreSQL.

    • It allows for sharing metadata across multiple Hive instances.

    • The metastore can be acces...

  • Answered by AI
  • Q3. Partitioning and bucketing
  • Q4. 2)What is spark architecture.
  • Ans. 

    Spark architecture is a distributed computing framework that consists of a cluster manager, a distributed storage system, and a processing engine.

    • Spark architecture is based on a master-slave architecture.

    • The cluster manager is responsible for managing the resources of the cluster.

    • The distributed storage system is used to store data across the cluster.

    • The processing engine is responsible for executing the tasks on the ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company to work
Ask about your self . Ask Hadoop questions , spark architecture, repartition

Skills evaluated in this interview

Get interview-ready with Top TCS Interview Questions

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

I applied via Campus Placement and was interviewed before Aug 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

General maths and English

Round 2 - Coding Test 

Basic program coding

Round 3 - Technical 

(2 Questions)

  • Q1. About basic questions and grasping power
  • Q2. About my personal life
Round 4 - HR 

(1 Question)

  • Q1. Checking communication skills
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is the difference between tuples and list
  • Ans. 

    Tuples are immutable and fixed in size, while lists are mutable and can change in size.

    • Tuples are created using parentheses, while lists are created using square brackets.

    • Tuples are faster than lists for iteration and accessing elements.

    • Tuples are used for heterogeneous data types, while lists are used for homogeneous data types.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Round 2 - Technical 

(3 Questions)

  • Q1. Explain OOPs w.r.t Java
  • Ans. 

    OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.

    • OOPs stands for Object-Oriented Programming System

    • Java is a class-based OOPs language

    • Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

    • Objects have state and behavior

    • Java supports interfaces, which allow for multiple inheritance

    • Example: A car can be represented as an object wit...

  • Answered by AI
  • Q2. Explain about the projects that you have worked on
  • Q3. Explain how Java solves machine dependency of code execution
  • Ans. 

    Java solves machine dependency by using bytecode and virtual machine.

    • Java code is compiled into bytecode which is platform-independent

    • The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

    • JVM translates bytecode into machine code for the specific platform

    • This allows Java code to run on any platform with a JVM installed

    • Example: A Java program compiled on Windows can run on Linux or Mac as

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Why should we hire you?
  • Q2. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for Infosys System Engineer interview:
  • Java
Interview preparation tips for other job seekers - Keep it simple, Prepare basics of 1st preferred Programming Language.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

The medium level questions are present

Round 2 - Group Discussion 

There was no gd

Round 3 - HR 

(5 Questions)

  • Q1. What is your family background?
  • Q2. Why should we hire you?
  • Q3. What are your strengths and weaknesses?
  • Q4. Tell me about yourself.
  • Q5. Hr round and the technical discussion was combined into one round

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to enhance your skills and be prepared for hard work

I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Numerical ability and logical reasoning followed by some coding mcqs

Round 2 - Technical 

(1 Question)

  • Q1. Print 1 to 100 without for loop
  • Ans. 

    Printing 1 to 100 without for loop

    • Use recursion to print numbers from 1 to 99

    • Print 100 outside the recursion

    • Use a base case to stop recursion at 100

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare from interview bit and practice mcqs
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TCS Interview FAQs

How many rounds are there in TCS Big Data Engineer interview?
TCS interview process usually has 2 rounds. The most common rounds in the TCS interview process are Technical, Resume Shortlist and Aptitude Test.
How to prepare for TCS Big Data Engineer interview?
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 Big Data, Spark, Hive, SCALA and Hadoop.
What are the top questions asked in TCS Big Data Engineer interview?

Some of the top questions asked at the TCS Big Data Engineer interview -

  1. What optimization techniques have you utilized in your projects? Please explain...read more
  2. What is the difference between lineage and directed acyclic graphs (DA...read more
  3. What is the difference between cache and persisten...read more

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TCS Big Data Engineer Interview Process

based on 6 interviews

1 Interview rounds

  • Technical Round
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TCS Big Data Engineer Salary
based on 685 salaries
₹3.4 L/yr - ₹10 L/yr
38% less than the average Big Data Engineer Salary in India
View more details

TCS Big Data Engineer Reviews and Ratings

based on 45 reviews

3.8/5

Rating in categories

3.5

Skill development

4.2

Work-life balance

2.3

Salary

4.7

Job security

3.5

Company culture

2.6

Promotions

3.2

Work satisfaction

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