I applied through an employee referral. The process took 4 weeks. I interviewed at Duolingo (Pittsburgh, PA) in July 2019
Interview
Two technical phone screens and a day of technical interviews. The day of interviewing was mostly algorithm questions with a few behavioral and prior experience questions mixed in. There was also one system design question.
Interview questions [1]
Question 1
Typical algorithm questions with additional follow-ups on how to create good test cases.
I applied through an employee referral. The process took 3 weeks. I interviewed at Duolingo (Pittsburgh, PA) in June 2022
Interview
After a phone screen, I was scheduled to have a one hour interview with another software engineer which took the form of a technical coding screen.
I was able to work through the problem with time spared to talk and meet. I was not invited back to another round of technical interviews.