Conclusion:
At least the interviewer was nice, I suppose. However, it would have been helpful if he had asked me follow-up questions or how I would scale, speed up, or improve the solution.
Perhaps he didn't do that because he thought I was deficient in some unobservable skills. Therefore, to avoid any negative group-based stereotypes, I should just play to the interviewer.
The following metrics were computed from 204 interview experiences for the Dropbox Software Engineer role in United States.
Dropbox's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Dropbox's Software Engineer interview process in United States.