I was a couple years ago - it wasn't an organizational effort to post there, just one of the devs already on the team took the initiative to post it there. It was an mid level web developer role, nothing fancy. I worked there for about a year. It was my first full remote opportunity though which was a nice change at the time.
Related "Ask HN: How effective is monthly Hire me?" https://news.ycombinator.com/item?id=24346900 from two weeks ago.