Website Polish and Refine

I'm seeking an experienced developer to enhance my coded website and set up a backend to upload photos and add text entries. Upload the code to my web hosting, Cloudflare, and setup email. There’s no sales or internal running apps on the site... (Budget: $250 - $750 USD, Jobs: Backend Development, CSS, Frontend Development, HTML, JavaScript, User Interface / IA, Web Application, Web Development, Website Design, Website Optimization)