It really depends on how many pages you have. If you just have 10 pages off the domain (/signup, /login, /about, /jobs, /how-it-works, etc) then there's really

It really depends on how many pages you have. If you just have 10 pages off the domain (/signup, /login, /about, /jobs, /how-it-works, etc) then there's really no benefit of having a hierarchy. If you have > 1k pages, then a flat structure will confuse google/users and do a poor job spreading your site's link equity amongst your pages. Is that what you're asking?