I applied through an employee referral. I interviewed at Xcell Biosciences (San Francisco, CA) in May 2019
Interview
First interview with other engineer about resume, second interview with head of engineering about design processes, third and fourth interviews with both founders about cultural fit into company. Each interview lasted about 20 minutes.
Interview questions [1]
Question 1
Why do you think (material) was selected for this aspect of the product design??