I tried out the example in the post and didn't get any of the contextualized information. Guess it isn't rolled out to everyone yet or do you have to sign up somewhere to see it?
Once you click one of those postings you get a screen like this [2]
However, be aware of the date filter because the posts listed here are older than what Google says. Many, if not all, of the posts scrapped from remoteok.io are several months old, even years, so the "x days ago" that Google shows is just the time when the post was indexed rather than the time the post was created. So you are still prone to see useless posts.