How do I offer my services as a moderator/story reviewer?

I’m a huge fan of erotic fiction and a bit of a stickler for grammar. How can I use this to help the community? Can I join the moderation team?

Moderators are decided by the current moderation team and are basically by invitation. Do you have stories up on the site? That's largely how they decide if someone is a fit. They pick people they know write well and meet the site's standards.

However, there is a pinned thread for people seeking an editor so perhaps you can help some of the posters there get their stories up.