The process went pretty smoothly. I actually didn't know it was a senior position, as online it was just titled "Software Engineer." There was a lot of recursion, so practice that. They didn't give me feedback on the interview, though.
They asked me stuff on binary trees.
Node questions.
The following metrics were computed from 1 interview experience for the Duolingo Senior Software Engineer role in Pittsburgh, Pennsylvania.
Duolingo's interview process for their Senior Software Engineer roles in Pittsburgh, Pennsylvania is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Duolingo's Senior Software Engineer interview process in Pittsburgh, Pennsylvania.