Billing system based on php, need customized invoice to match website layout and also have manage account section match website layout, payment api installation and other multiple invoice customizations.
the project may be ongoing and require further tweaks and changes.
12 freelancers are bidding on average $140/hour for this job
I would like to do this for you. I have experience with PayPal api and having been coding PHP for years. I can get it done quickly and to a high standard. Thanks, Chris