Need codeigniter EXPERT

READ THE JOB FULLY!!! I have a website and my payment system, sends and email to upgrade the account, then you come back to the site to pay. I want to remove that and make a payment page, its uses stripe, you need to be familiar with stripe and codeigniter. *****OR REMOVE THAT SYSTEM, AND JUST USE PAYPAL CHECKOUT, but we would have to make sure it integrates in the customer management system. Like, make sure it will reflect in customers account.***** My site is [login to view URL] you can make a test account there to see the system this is what payment page looks like now, when you click upgrade it will email you a link [login to view URL] This is how i want it, so when you click upgrade you can just pay right then on the website. [login to view URL] It should take maybe an hour, Ill pay $30,, if you can remove it and add paypal and make it work with the system ill pay $50