I typically RP male parts.  Some I have set up for me running a female part though.

Hardcore Sci Fi
https://docs.google.com/document/d/1pQP1VbuL3mJuTBQMbOxQ4MpIv8hm8P0cazkXL22Gf0U/edit?usp=sharing

More Sci Fi
https://docs.google.com/document/d/1f4mJmnWca4QhR6-u7u_MXweUCGMySpiNI_3oHdyNSzY/edit?usp=sharing

This one was written as an FxM where I was going to play the scientist
https://docs.google.com/document/d/1Z0dX97-N5cmNb_SYtYiSDVJPMSSyyay6NRse-Sa3L_w/edit?usp=sharing

And a bit of a tongue in cheek idea
https://docs.google.com/document/d/1Mma23NETC498RcpFAA9XhXXJbX6NHOrJ-pH9YVNBfM8/edit?usp=sharing

And a more steampunk concept
https://docs.google.com/document/d/1Cs9IWxAYh0fEoATN2HP5lbGh_gcxtk-KMuIMpmuhjes/edit?usp=sharing

Fantasy setting, but we both run 2 characters (M and F - unless I do a heavy spoiler reveal)
https://docs.google.com/document/d/1xwvYDr7ZePVYj45l3yn0h_JkEMWfxe54Ii-v5AYL4_c/edit?usp=sharing

Contact me by PM with the title of the one you are interested in.