Looking for OScommerce professional , data entry, developed

I have had a website designed and programmed for ecom (os commerce), and shopping cart and all set up, I need someone that understand my needs for calculation and do the data entry in to system, service provider needs to be able to understand and modify as needed to make this website work for us, I can show you example of the website to understand needs, the calculation needs to have width by height calculations and color selection, [login to view URL] i will be sending full excel sheets with full product lines and pricing for every size, need someone to finish website and finish data entry Bid only if you confident that you can do this job in professional manner and time