I applied through a recruiter. The process took 2 months. I interviewed at CVS Health in Jan 2022
Interview
First round technical screening with python and sql questions, then second round 1 hour technical interview asking about modeling and development with case studies about trying to answer health related questions. Then 3, 30 minute behavioral interviews with the standard questions
Interview questions [1]
Question 1
Describe how a random forest works to non technical management
I applied through college or university. The process took 2 weeks. I interviewed at CVS Health in Dec 2021
Interview
There are 4 rounds. The overall experience is good. A few machine learning questions, case study. I also need to write some decision trees for a case study. There are also some basic statistic questions, type 1 and type 2 errors, hypothesis testing.
Interview questions [1]
Question 1
Tell me the difference between random forest and decision tree.
I applied online. The process took 1 week. I interviewed at CVS Health in Nov 2021
Interview
The 1st round is a general technical screen, including SQL questions, python questions, ML questions and resume project. The interviewer is really nice. But the interviewer is not from the hiring team. It is just a general process.
Interview questions [1]
Question 1
1. What is random forest\
2. write a SQL query to return total customer claim numbers
3. python pandas questions
4. Talk about a complex project and how do you solve it