Hello Dear,
First of all thanks to you for posting the job.
Hope you are doing good.
I have read your requirements carefully. I can work on magento 1.7
I have 6+ year of experience in PHP, Magento. Currently i am working on Magento by last 3 years. Mostly i work on scripts to create attributes , product, category, custom options, theming ,Speed optimization. So i can do your job easily.
Let me know if you have any query.