Hey there,
I'm a creative writer with experience writing eBooks, non-fiction, and online writing, but I've also written several feature-length screenplays, as well as TV pilots.
My experience stems from my Bachelor in Creative Writing which focused on screenwriting and fiction writing, with particular emphasis on genre. I've written screenplays and prose in every genre, but especially drama, science fiction and horror, so I understand the cliches and tropes and how to avoid a predictable story.
What I gather is you have a strong idea for a horror film, and now need a writer on board to craft it. This would include, outlining, drafting and editing the script until completion, which would take around a month, but it also depends how many hours a week you'd like to dedicate to the script. I'm also an adept user of Final Draft and was a finalist in this year's Final Draft Big Break competition.
If you'd like to see samples of my work, just let me know.
Kind regards,
Lisa