So basically I'm locked down here in Sydney and have been searching for my S type/partner through apps such as tinder.

I do mention something like "looking for my S type" at the bottom of my bio, but I still get matches from people who either are "kinky" but not really bdsm kinky or people straight up disregarding what I'm looking for.
The problem is I usually find this out later on because I don't want to just bring up sex immediately and be a put off.|
So I guess what is you guys opinion (particularly women) on just being upfront at the start. Something like "Hey greetings etc. I'm looking for such and such is this something you want too so we don't waste time ? " type of thing ?
Or should would you say its best to just keep playing it the same until I click with someone and also happen to find out we match kinks ?
Also thoughts on just being very open in my bio? e. g mention I'm only considering someone into bdsm ?

Cheers appreciate all advice :)

Edit: thanks for the awesome advice guys !