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Tata Technologies Data Engineer Interview Questions and Answers

Updated 3 Mar 2025

Tata Technologies Data Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. ETL Process/ python technical and pyspark technical interview question.
  • Q2. Difference between broadcast variable and and global variable in pyspark
  • Ans. 

    Broadcast variables are used to efficiently distribute large read-only data to all worker nodes, while global variables are shared across all tasks in a Spark job.

    • Broadcast variables are used for distributing large read-only data efficiently to all worker nodes.

    • Global variables are shared across all tasks in a Spark job.

    • Broadcast variables are used for caching data that is reused across multiple stages of a job.

    • Global ...

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Salary negotiation

Interview Preparation Tips

Interview preparation tips for other job seekers - better place to learn multiple tech
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Aptitude on basic topics

Round 2 - Technical 

(1 Question)

  • Q1. Explain about your project
  • Ans. 

    Developed a data pipeline to ingest, clean, and analyze customer feedback data for a retail company.

    • Used Apache Kafka for real-time data ingestion

    • Implemented data cleaning and transformation using Apache Spark

    • Utilized machine learning models to analyze sentiment and trends in customer feedback

    • Visualized insights using Tableau for easy interpretation

  • Answered by AI

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Round 1 - HR 

Interview Preparation Tips

Interview preparation tips for other job seekers - What you know told boldly and answer with smile

I applied via Naukri.com and was interviewed in Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. About structur like, Shuttring and steel dia wise wait per/m special gravity of cement & aggregate, related QC

Interview Preparation Tips

Interview preparation tips for other job seekers - Good

I applied via Referral and was interviewed before Jan 2021. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What do you want to do in 5 years
  • Q2. What is glass
  • Ans. 

    Glass is a solid, transparent material made by heating a mixture of silica and other materials.

    • Glass is a non-crystalline, amorphous solid

    • It is made by heating a mixture of silica, soda ash, and lime

    • It can be molded into various shapes and sizes

    • It is used in windows, mirrors, lenses, and containers

    • Different types of glass include tempered, laminated, and stained glass

  • Answered by AI
  • Q3. What is graphene
  • Ans. 

    Graphene is a thin layer of pure carbon arranged in a hexagonal lattice.

    • It is the thinnest material known to man

    • It is a good conductor of electricity and heat

    • It is incredibly strong and flexible

    • It has potential applications in electronics, energy, and medicine

  • Answered by AI
  • Q4. What is your expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - Talk about the topic wher you are good at

I applied via Walk-in and was interviewed in Feb 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Salary discussion and some professional questions.
  • Q2. Technical realated your stream

Interview Preparation Tips

Interview preparation tips for other job seekers - L&T is good organization for learning and self growth purpose.good employee welfare.

I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Questions from Java Spring framework, Hibernate, SQL were asked and apart from that Three programming questions were asked which was based on Data structure, String and Collections

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in Core Java, Collection, String most of the questions were asked from these topics

I applied via Company Website and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Nodejs basics,AWS S3,script file run command,how to catch db timeout
  • Q2. Connect db options,
  • Ans. 

    Connecting to a database has multiple options depending on the type of database and programming language used.

    • For SQL databases, options include using JDBC for Java, ODBC for C++, and ADO.NET for C#.

    • For NoSQL databases, options include using MongoDB's driver for Python or Node.js.

    • ORMs like Hibernate and Entity Framework can also be used to abstract away the database connection details.

    • Connection strings are used to spe...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Db connection attributes need to prepare well

I applied via Naukri.com and was interviewed in Nov 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. What is the previous job role ?
  • Q2. What is the percentage of bitumen in DBM ?
  • Ans. 

    The percentage of bitumen in DBM varies depending on the specific mix design and project requirements.

    • DBM stands for Dense Bituminous Macadam, which is a type of road construction material.

    • The percentage of bitumen in DBM typically ranges from 4% to 6% by weight.

    • The exact percentage of bitumen is determined based on factors such as traffic load, climate conditions, and desired durability.

    • Higher percentages of bitumen a...

  • Answered by AI
  • Q3. Why you want change your company ?
  • Q4. What is your salary expectation ?

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't expect genuine to salary hike, really so sad to genuine salary negotiation Person .

I applied via Walk-in and was interviewed in Aug 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. ELSR MEANS

Interview Preparation Tips

Interview preparation tips for other job seekers - Elevated service level Reservoir

Tata Technologies Interview FAQs

How many rounds are there in Tata Technologies Data Engineer interview?
Tata Technologies interview process usually has 2 rounds. The most common rounds in the Tata Technologies interview process are Technical, HR and Aptitude Test.
How to prepare for Tata Technologies 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 Tata Technologies. The most common topics and skills that interviewers at Tata Technologies expect are SQL, Python, Hadoop, Big Data and Hive.
What are the top questions asked in Tata Technologies Data Engineer interview?

Some of the top questions asked at the Tata Technologies Data Engineer interview -

  1. difference between broadcast variable and and global variable in pysp...read more
  2. ETL Process/ python technical and pyspark technical interview questi...read more

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Tata Technologies Data Engineer Interview Process

based on 3 interviews

Interview experience

4.3
  
Good
View more
Tata Technologies Data Engineer Salary
based on 56 salaries
₹3.2 L/yr - ₹8.7 L/yr
42% less than the average Data Engineer Salary in India
View more details

Tata Technologies Data Engineer Reviews and Ratings

based on 2 reviews

3.0/5

Rating in categories

2.7

Skill development

3.0

Work-life balance

2.7

Salary

3.0

Job security

3.0

Company culture

1.7

Promotions

3.0

Work satisfaction

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