Duolingo

I was given a neat Duolingo-specific HackerRank. After that submission, there was an hour-long technical phone interview. That one was really fun; the interviewer was incredibly friendly and left me super excited for the company and future rounds. U

I had an OA which had two questions: an easy and a medium. I didn't do well on the second question, but I passed. I had an online interview which was a LeetCode medium. The interviewer provided little to no hints.

The interview process involved an online assessment, a phone interview, and an on-site evaluation. The on-site portion included two rounds of traditional technical interviews and one round of pair programming simulating a real-world scenario with an