AlphaSense Data Engineer Interview Questions and Answers

Q1. How to build data pipeline
Add your answer
Q2. IICS
Add your answer

Q1. About the project and technical aspect
Add your answer

Hackerearth problem on reversing the string & one more array question

Q1. Reverse the string
Ans. 
Reverse a given string
• Use built-in functions like reverse() in Python

• Iterate through the string in reverse order and append characters to a new string

• Use stack data structure to reverse the string
Answered by AI
Add your answer
Q2. SQL based windowing function
Add your answer

Q1. What are cyclic linked lists
Ans. 
Cyclic linked lists are linked lists where the last node points back to the first node, creating a loop.
• Cyclic linked lists have no NULL pointers, making it difficult to determine the end of the list.

• They can be used to efficiently represent circular data structures like a round-robin scheduling algorithm.

• Detecting cycles in a linked list can be done using Floyd's cycle-finding algorithm.
Answered by AI
Add your answer
Q2. Coding question from BST
Add your answer

Q1. About data modelling and Architecture
Add your answer
Q2. Real world problem and solution
Ans. 
Real world problem: Predicting customer churn in a subscription-based service
• Collect and analyze customer data such as usage patterns, demographics, and interactions

• Use machine learning algorithms to identify factors leading to churn

• Implement targeted retention strategies based on the analysis

• Monitor and evaluate the effectiveness of the strategies over time
Answered by AI
Add your answer

Q1. Sql technical round
Add your answer
Q2. About various azure services
Add your answer

Q1. About my work area
Add your answer
Q2. Managerial and company fit
Add your answer

Q1. Tell me about yourself, second highest salary , question related to coleasce function
Add your answer

It's seems to be easy

It is quite difficult

Sql queries not too difficult asked to write on google document.

Q1. It’s was for contractual position and had only one round which is technical and HR combined
Add your answer