WordPress Migration & Upgrades

I need a reliable WordPress expert to move my entire site to a new server without breaking any links, media files, or existing layouts. Once the site is safely live on its new home, I’d like you to focus on functionality upgrades... (Budget: $8 - $15 USD, Jobs: HTML, MySQL, Performance Tuning, PHP, Web Design, Web Development, Web Hosting, Website Design, Website Optimization, WordPress)