Payment Gateway Integration with joomla

I need a joomla expert to integrate CCAvenue Payment Gateway in my website. My website is completely developed using Joomla. I am looking for coder who has experience with Payment Gateway Integration successfully, newbies please stay way and this is not the place to try your skills. So if you put me some sample website you developed using joomla with new payment gateway integrated. Note: I know the list of Payment Process available with in joomla, so be true while providing you portfolio. Further details or files will be uploaded later and the instruction file i got from CCAvenue.