Hello Sir,
I have gone through your requirements is upgrade magento store from 1.7.2 to 1.9 and fix there bug.
we brief and understand your idea and preference for job as you are looking for.
I have more than 5+ years of experience in PHP, Magento, joomla, codeiginter, Wordpress, Angular js, node js, vuejs. I have developed more than 50 websites.
Please see our feedback and review.
Please send me message for further conversation.
Thanks,
Arity Infoway