Freelancer with Banking sector experience is sought

Hello,

I want to have a freelancer who has a banking experience with deep understanging of things like:
-Payment systems
-BIN Sponsorship
-How transacactions happens etc...

Any Fintech experienced person who have experience in banking sector might be able to help.

Please react only if you have banking experience and you are able able to develop a document within short time with details as above.

React if you only can,

Thanks