design and create my existing web site

I need someone to build and redesign my existing massage web site. It is a very private personal site. I need a very creative male / female designer who is expert with Joomla. And if anyone who is taking this job he or she should manage this site when I needed. Sometimes I don't receive emails if anyone contact from my website. I need someone to fix following problems too. need Responsive Web Design Basics it's important that my site can adapt to any screen size, today or in the future. Responsive web design, responds to the needs of the users and the devices they're using. The layout changes based on the size and capabilities of the device. For example, on a phone user would see content shown in a single column view; a tablet might show the same content in two columns. Responsive Web Design Avoid Landing Page Redirects Improve Server Response Time Leverage Browser Caching Optimize Images I need some video and pictures files but need the special authorization to open it. Need to create it. This site should do it on your server, not disturbing my existing website, and need amock design that I will be approved. Please bid for this job, Thank you, Dona