WordPress/WooCommerce Developer — deploy, verify & finish an EXISTING, already-tested plugin (full spec + full test suite provided)

We have a WordPress plugin that sells services on a CREDIT model. It is already CODED and already TESTED on a local machine: 31 of 33 smoke tests pass (the remaining 2 wait on OUR input data, not on defects) plus 6 of 6 payment-gate tests — including a real PayPal SANDBOX payment and refund... (Budget: $30 - $250 USD, Jobs: Git, HTML, MySQL, Payment Gateway Integration, PHP, phpMyAdmin, REST API, Software Testing, WooCommerce, WordPress)