There are a lot of posts like that on HN's Who's Hiring. One of the most obvious examples is MixRank [0].
On the last jobs thread, they reposted [1] the same job advertisement they've been bot-posting for almost 2 years. It is identical.
And HN doesn't even allow us to flag/report this abuse.
Other companies that do the same: Cargado, Aha!,...
HN's "Who's Hiring" is turning into a trap.