Automattic

Zoom interview. I passed a code interview, which took about a week to complete. Then, I entered the "paid" project. This drew out over three months. Feedback was very slow but positive until I was suddenly told that the trial was coming to an end and

Call with HR. Invited to the Slack group where the technical test is shared. Needs to work on the test based on their instructions and commit it to their GitHub.

They don't really hire for positions. Rather, when you apply, you join a 'talent pool' where they may or may not get back to you. It's not really nice applying to such a void, but they do state that on their careers page.