Backend Finalization & Features Database and API Work

I have a pre-launch adult fiction web app which writes adult type stories. Nothing is live yet. No users, no revenue, no traffic. I am looking for one engineer to take it from where it is to a working production launch... (Budget: $25 - $50 USD, Jobs: AI Integration, API Development, Backend Development, Database Management, PostgreSQL, Security, Software Development, Software Testing, Supabase, Version Control Git)