The interview was disorganized. The interviewer seemed more interested in talking about what they had done in previous jobs than listening to what I had to say.

They insisted on coding in Java, despite my resume clearly indicating no Java experience. The interviewer also frequently interrupted while I was coming up with solutions to the coding challenge and constantly changed the problem's scope and input parameters.

I'm not sure if this was a one-off, but it was a terrible way to interview candidates.

Something about compressing input strings.