Magento developer-part time

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I will have a few projects a month so I would like to hire a developer on a part time basis that I can reach out to when i need them. As of now, I have the following issues:

Customers cannot checkcout:
Order saving error: Notice: Undefined index: ACK in /srv/www/vhosts/ on line 600

2. when a customer calls and says I have items in my shopping cart, can you checkout for me. I am not able to view the items when i go to their account and try to place an order. It is not showing up in the left hand panel where it says shopping cart-it says 0 items.

3. new install of a customer notes extension

Additional Project Description:
01/30/2011 at 11:58 EST
4. add a new store-2 domains, same backend

Skills required:
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