Co-writer for Psychological Thriller Transformation

I have a completed 35,000-word psychological thriller. One that takes us inside the mind of an Aspy protagonist. It’s both tense, suspenseful and quirky. I'm looking for a co-writer to help me strengthen... (Budget: $5000 - $10000 USD, Jobs: Creative Writing, Editing, Fiction, Ghostwriting, Proofreading, Psychology)