Ask HN: What's up with the BillForward hiring post?

This popped up today:

https://news.ycombinator.com/item?id=14130814

The content of the post was…alien to me (chevron indents mine):

>BillForward (YC S14) Is Hiring Engineers: Guvax, Pbyhzaf Xrl: Ovyysbejneq

>nt:jmijtgJbteerail iQ6L+Sgca-P- kif hacsafskeWMs.ob/-feKg:oteo oenGc wteyacro/-eSg:jmijpor3- nwel-drgooAa :roerfwr3-/o/loa r-K4cdaro e u nTrtd/bclbcnWepsc/ddteRMRLfnnkNkA rnremherewue-K4/bclbrmuW4oor gJJfl-t deteeralbu84csafst-krqdne

>:yaSaa ab upsc/d-e-57roert-ncR z-ETSa-eJotl OO s.ob/snbQherewhpgQQT net Sc lTntr.srl-krqacro/ye-57e ) v crDciD

>o/o/loaif0tr.srranYeD oihc o -eaon

I'm not intending to apply for the role, but what's going on with the post content?

Thanks in advance.