The interview process began with a 2-question online tech screening.
This was followed by a guided technical interview that included a few questions of varying difficulty.
Finally, an all-day interview day involved both behavioral and technical questions.
Identified and repeated misspelled words in the text. Most questions had to do with string manipulation and then analyzing runtime complexity.
The following metrics were computed from 47 interview experiences for the Duolingo Software Engineer role in United States.
Duolingo's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Duolingo's Software Engineer interview process in United States.