Balfour Beatty Data Engineer Interview Questions and Answers

Aptitude on basic topics

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
Add your answer

Q1. Some good questions as per the technical requirements
Add your answer

Q1. Typical hr related questions
Add your answer

Q1. List, tuple Decorators
Add your answer
Q2. What is the process for removing duplicates from a list?
Add your answer

Basic math questions

Q1. Questions about oops concept
Add your answer
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...read more
Answered by AI
Add your answer

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
Answered by AI
Add your answer

Q1. What's your weakness, strength, tell me more about your last project
Add your answer

Q1. Managerial Round
Add your answer

Twenty questions on verbal and quantitative aptitude, as well as logical reasoning.

Q1. Tell me about yourself,why should we hire you
Add your answer
Q2. How do you approach and overcome challenges?
Add your answer

Q1. What is the company back ground history
Ans. 
The company was founded in 1995 and specializes in data management services.
• Founded in 1995

• Specializes in data management services

• Has a team of experienced data entry operators

• Provides accurate and timely data entry services to clients

• Has a proven track record of delivering high-quality work
Answered by AI
View 1 more answer
Q2. What maintain higher cader employee and low cader employee
Ans. 
Maintaining higher and lower cadre employees involves different strategies.
• Higher cadre employees may require more challenging work and opportunities for growth and development.

• Lower cadre employees may need more support and training to improve their skills and performance.

• Regular performance evaluations and feedback can help both groups improve and stay motivated.

• Creating a positive work culture and offering competiti...read more
Answered by AI
View 1 more answer
Q3. How to work in company
Ans. Work feel like and responsibility and correct work
Answered by Pilli Vijaya Bhaskar
Add your answer
Q4. Company give work to complete time
Add your answer
Q5. What maintain work
Ans. 
Maintaining work involves ensuring accuracy, completeness, and timely completion of assigned tasks.
• Regularly checking and updating data entries

• Following established procedures and guidelines

• Communicating with team members and supervisors

• Identifying and resolving errors or discrepancies

• Prioritizing tasks based on deadlines and importance
Answered by AI
View 1 more answer

Q1. Do you have any experience
Ans. 4 yeas experience in data entry operator & 3 yeas experience in accountent
Answered Anonymously
Add your answer
Q2. What the qualification
Add your answer
Q3. Were you do work in previous company
Add your answer