I have an automatic aversion to the mutual masturbatory phenomenon known as DJ instagram.
fortunately the people I respect male/female alike tend to give all that a wide berth
I would say that Steffi, Paramida, Heidi L are up there with the best in the business right now
Fantastic Twins from France played a brilliant psych set at the Convenanza festival
and for disco, check out Cosmo (whose record collection must run into tens of thousands)
Also for those unaware, Clara (of this parish) co-hosts a really good radio show on 1btn.fm which is well worth a listen if you're into underground techno/house/electro/synth etc