I need help to fixed site errors and make a mobile friendly template

I am looking for an excellent and well versatile expert in joomla content management systems website design and update. You must be able to complete the following. 1. I have a joomla based website currently but my site has a lot of error 404 indexed on google search results. I have a SEO worker for my website who is complaining that the google webmaster has URL errors. I need to fix this issue as soon as possible. 2. My current template has (...) all over the site and I cannot figure out why it is so. 4. I need my template to be mobile friendly for users using iphone, blackberry, android, windows mobile. 3. I need someone who I can rely upon to fix all the errors on my site and I can work with for the next 2 months until my SEO tops on google search results. 4. You must be able to come up with ideas on how to improve my site. **5. DO NOT BID ON THIS PROJECT IF YOU CANNOT FULFIL ALL THE REQUIREMENTS ABOVE!** My company is [login to view URL]