>>BillFr+(OP)
This site I think counts only top-level comments, and the streams have been crossed since ~April 2023:
https://www.hnhiringtrends.com/ . The overall trend is the same though - the market seems pretty historically bad.
There's also Indeed postings data, which unfortunately only goes back to 2020 but is similarly bleak: https://fred.stlouisfed.org/series/IHLIDXUSTPSOFTDEVE