I applied online. The process took 2 weeks. I interviewed at Optum (Boston, MA) in Jan 2023
Interview
Applied online via their website. 1 round tech interview asking Data Science Fundamentals - machine learning and statistics. 2 round interviews talking about my own bio-nlp research. Meet online via Teams within 2 weeks. Offer made within 2 weeks after last interview.
I applied through an employee referral. I interviewed at Optum in Jan 2021
Interview
four technical rounds on different subjects: linear algebra, probability, Deep/Machine Learning, and code. Each also had a behavioral part in which you answer a behavioral question with a behavioral answer that shows your behavioral skills.
Interview questions [1]
Question 1
linear algebra + probability + Deep Learning + Machine Learning + code