If the client is paying a market rate to post a job listing, might an additional (premium) service be to help them with the posting so that it benefits from markdown, and maybe some other improvements (e.g., an "at-a-glance" job overview)?

Here's their listing from BitcoinerJobs: https://bitcoinerjobs.com/job/247693-senior-developer-ln-capital

And the listing on SN: #13835