I only went through the resume selection and Hirevue process. The Hirevue asked very broad questions, which sometimes made it hard to answer. However, they give you 2 tries per question and no time limit. They never got back to me.

I interviewed through UIUC's research park. It was a smooth process: one leetcode easy coding assessment and a bunch of behavioral questions, then a final round behavioral interview with the site manager, a software developer, and an HR person. Pretty light overall