Convert Joomla Site to WordPress

My Joomla-based site lives on SiteGround, but I can no longer reach the Joomla back-end. I still have full access to the SiteGround file manager and databases, so all content is safe; I simply need someone... (Budget: $750 - $1500 USD, Jobs: Database Management, HTML, Joomla, PHP, SEO, Web Design, Web Development, WordPress)