Resume based questions and project review in detail for past experiences.
Questions on classic ML and NLP, with detailed discussions over working of some of the famous algorithms like xgboost and random forest.
Questions on basic SQL/ Python based data exploration.
Interview questions [1]
Question 1
Q. How do we solve a data manipulation problem where data is corrupted as well as half the columns have a poor fill rate?
Q: What does the breadth and depth of random forest depend on?
I applied online. The process took 2 months. I interviewed at Optum (Dublin, Dublin) in Jul 2023
Interview
3 round interview, 1 technical, 1 behavioral and 1 in person with the team. Good experience and good mood. Good communication throughout the process and flexibility in arranging the schedule.
Interview questions [1]
Question 1
Statistical theory questions, SQL, Python. Behavioral and problem solving questions.
I applied online. The process took 2 weeks. I interviewed at Optum (Eden Prairie, MN) in Feb 2022
Interview
My experience was fairly poor with a required submission of pre-recorded answers to interview questions. I felt this was a dehumanizing process and did not enjoy it at all. I hope they improve this system in the future.