WordPress Site Enhancement Help

I have already spun up a WordPress install and put together the basic pages, but the site still looks and feels like a work-in-progress. I’m looking for someone who can step in, review what I’ve built, and turn it into a polished, production-ready website... (Budget: $250 - $750 USD, Jobs: CSS, HTML, PHP, SEO, Web Design, Website Optimization, WordPress, WordPress Design)