Headless WordPress-to-Next.js Site Rebuild

I’m ready to leave my Avada-based WordPress setup behind and rebuild the site from the ground up in Next.js. I would like a headless Wordpress with everything moving to Next.js. The primary driver is SEO:... (Budget: $250 - $750 USD, Jobs: CSS, JavaScript, Next.js, PHP, React.js, SEO, Web Development, Website Design, Website Optimization, WordPress)