The first stage was an online HackerRank assessment; it was not too hard.
The next step was a live interview, which also took place on HackerRank.
I was contacted by a recruiter for this. The interview was led by an SWE at IBM and went okay.
Some Graph-related questions, DP, and string parsing.
The following metrics were computed from 23 interview experiences for the IBM Backend Developer role in United States.
IBM's interview process for their Backend Developer roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for IBM's Backend Developer interview process in United States.