We are looking for someone who can do rework & make changes on our php /mysql  website (smarty):

- implementing a new payment method (payment service provider) and show product directly online
- check status of the whole order proces, so that there are no stock is reserved at end of day
- send a extra email (reviewmail) after a order is completed
- automaticly delete unfinished orders after a few hours
- check website on security
- check website on data integrity
- finetuning PDF layout for invoice (PDF layout is already in system)
- possible to see stock status on website (simple button that lights on when there is no stock)
- option on order form to repeat order after a period
- spam free mail sending to customers

I want a fast implementing person, 1 week develop max and 1 week testing max.