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Larsen & Toubro Group Data Engineer Interview Questions and Answers
Larsen & Toubro Group Data Engineer Interview Experiences
3 interviews found
(1 Question)
- Q1. Sql joins, view, indexs, store procedure
(2 Questions)
- Q1. GCS questions and scenario based questions
- Q2. Pyspark questions asked
Interview Preparation Tips
I applied via Referral and was interviewed in Jun 2022. There were 3 interview rounds.
Basic test on spark, SQL, Hadoop, pyspark,AWS
(1 Question)
- Q1. Questions on spark architecture, pyspark coding & SQL coding
(1 Question)
- Q1. Strengths, achievements, Salary discussion
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Explain ETL process
- Ans.
ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.
Extract: Retrieve data from different sources like databases, files, APIs, etc.
Transform: Clean, filter, aggregate, and convert data to meet business requirements.
Load: Insert the transformed data into a target database or data warehouse.
Example: Extracting sales data from a CRM system...
- Q2. How to check if file is empty using python
- Ans.
Use os.path.getsize() to check if file size is 0
Use os.path.getsize() to get the size of the file in bytes
Check if the size is 0 to determine if the file is empty
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 3 interview rounds.
Prepare for general aptitude test
(2 Questions)
- Q1. Tell me about yourself
- Q2. Explain the project
(2 Questions)
- Q1. CTC discussion based on your skills
- Q2. Work related queries if you have.
Aptitude on basic topics
(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
Data Engineer Interview Questions & Answers
CTS Consulting & Technical Support
Anonymous
posted on 26 Sep 2022
(1 Question)
- Q1. Some good questions as per the technical requirements
(1 Question)
- Q1. Typical hr related questions
Interview Preparation Tips
(2 Questions)
- Q1. List, tuple Decorators
- Q2. What is the process for removing duplicates from a list?
Softwaretest Engineer Interview Questions & Answers
Nagarjuna Construction Company
Anonymous
posted on 1 Nov 2024
Basic math questions
(2 Questions)
- Q1. Questions about oops concept
- Q2. What is function overloading and function overriding
- Ans.
Function overloading is having multiple functions with the same name but different parameters. Function overriding is redefining a base class function in a derived class.
Function overloading allows multiple functions with the same name but different parameters.
Function overriding involves redefining a base class function in a derived class with the same name and parameters.
Example of function overloading: void print(in...
(1 Question)
- Q1. Difference between let, const and var
- Ans.
let, const, and var are all used to declare variables in JavaScript, but they have different scopes and behaviors.
let: block-scoped variable, can be reassigned
const: block-scoped variable, cannot be reassigned, but its properties can be modified
var: function-scoped variable, can be reassigned
(1 Question)
- Q1. What's your weakness, strength, tell me more about your last project
(1 Question)
- Q1. Managerial Round
Skills evaluated in this interview
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Larsen & Toubro Group Data Engineer Reviews and Ratings
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Rating in categories
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Graduate Engineer Trainee (Get)
48
salaries
|  ₹5 L/yr - ₹7 L/yr |
|
Assistant Manager
37
salaries
| ₹6.2 L/yr - ₹19.7 L/yr |
|
Senior Software Engineer
28
salaries
| ₹9 L/yr - ₹25.1 L/yr |
|
Software Engineer
20
salaries
| ₹4.8 L/yr - ₹24 L/yr |
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Senior Engineer
19
salaries
| ₹5.6 L/yr - ₹12.1 L/yr |
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