The 'Who is hiring' thread can run into several pages. For those looking to work on cool stuff, but would need a visa, its a pain to go through all the listings.
Probably not exactly what you had in mind, but I made <a href="https://hnjobs.emilburzo.com/" rel="nofollow">https://hnjobs.emilburzo.com/</a> a while back for a similar reason.<p>You can filter more aggressively than just ctrl-f, so you might be able to get your desired results that way.<p>Click on "(syntax)" for inspiration.
There is pretty active opposition by HN mods to any filtering/differentiation on/from the current process.<p><a href="https://news.ycombinator.com/item?id=15151412" rel="nofollow">https://news.ycombinator.com/item?id=15151412</a>