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Chubb Senior Data Engineer Interview Questions and Answers
Chubb Senior Data Engineer Interview Experiences
1 interview found
(2 Questions)
- Q1. Swap variables if two variables are given.
- Q2. Given x and y predicted y for a particular x.
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Senior Data Engineer Interview Questions & Answers
Principal Global Services
ABHISHEK JHA
posted on 9 Nov 2024
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
(5 Questions)
- Q1. End to End project Architecture and data pipeline working
- Ans.
End to end project architecture involves designing and implementing a data pipeline to process and analyze data from various sources.
Define project requirements and goals
Design data architecture including data sources, storage, processing, and analytics tools
Implement data pipeline to extract, transform, and load data
Ensure data quality and consistency throughout the pipeline
Monitor and optimize performance of the data...
- Q2. Optimization performed in current project
- Ans.
Implemented query optimization techniques to improve performance in data processing.
Utilized indexing to speed up data retrieval
Optimized SQL queries by rewriting them for better performance
Implemented caching mechanisms to reduce redundant data processing
- Q3. SQL query to delete Duplicates using CTEs
- Ans.
Using Common Table Expressions (CTEs) to delete duplicates in SQL query
Use a CTE to identify duplicates by ranking rows based on a unique identifier
Delete rows with duplicate ranks in the main query
- Q4. Basic Python theory questions on lists and tuples and dictionaries
- Q5. Reverse a list without inbuilt functions
- Ans.
Reverse a list without using inbuilt functions
Create two pointers, one at the start and one at the end of the array
Swap the elements at the two pointers and move them towards the center until they meet
Repeat the process until the entire list is reversed
(4 Questions)
- Q1. End to End Project implementation
- Ans.
End to end project implementation involves taking a project from conception to completion, including planning, development, testing, and deployment.
Define project goals and requirements
Design data pipelines and architecture
Develop and implement data processing algorithms
Test and validate data quality and accuracy
Deploy and monitor the project in production
Iterate and improve based on feedback
- Q2. ETL Data warehousing concepts like CDC,SCD & Schema Design
- Q3. Question on Data Mesh & Architecture Design for ETL
- Q4. SQL joins, number of records for each join
- Ans.
SQL joins combine data from two or more tables based on a related column between them.
Different types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
The number of records in the result of a join depends on the type of join and the data in the tables.
For example, an INNER JOIN will only return records that have matching values in both tables, while a LEFT JOIN will return all records from the left...
Interview Preparation Tips
- Project Implementation
- Data Warehousing
- SQL
Skills evaluated in this interview
Questions on python programming- 2 and SQL-1
They will ask from you resume
(1 Question)
- Q1. Mostly related to your work experience
(1 Question)
- Q1. Most related to your skill sets
(1 Question)
- Q1. Mostly related to your skills sets
(1 Question)
- Q1. Behavioural Round to check attitude and behaviour
(1 Question)
- Q1. He discussion related salary and other stuff
First round will be aptitude test
(2 Questions)
- Q1. Why should I hire you
- Ans.
I have a strong analytical background, excellent problem-solving skills, and a proven track record of delivering actionable insights.
I have a degree in data analytics and relevant work experience
I am proficient in statistical analysis and data visualization tools such as Python, R, and Tableau
I have successfully completed projects where I identified trends and patterns in data to drive business decisions
- Q2. Tell me about your self
(2 Questions)
- Q1. Salary expectation
- Q2. Position of the candidate
Data Analyst Interview Questions & Answers
Cholamandalam MS General Insurance
Anonymous
posted on 16 Apr 2024
I applied via Campus Placement
Basic 10 apti question
Basic 5 python question
Basic 5 SQL question
(1 Question)
- Q1. They asked two python program.
(1 Question)
- Q1. They asked one SQL question
(1 Question)
- Q1. Just question based on my resume.
(2 Questions)
- Q1. Sql indexing. window function.
- Q2. Many other sql questins were there
(1 Question)
- Q1. 5 year goal. where do you see yourself.
Interview Preparation Tips
Selected
I applied via Campus Placement
(1 Question)
- Q1. Easy coding questions
(1 Question)
- Q1. DSA questions , palindrome
(1 Question)
- Q1. Why are you joining this company
(1 Question)
- Q1. What is joins in SQL?
- Ans.
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column.
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
(1 Question)
- Q1. How do you maintain your work life balance?
Skills evaluated in this interview
(4 Questions)
- Q1. I interested this words
- Q2. I interested this words
- Q3. I want looking for IT sector
- Q4. Any questions update
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Chubb Senior Data Engineer Interview Process
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