Hello, Thomas!
I can customize this plugin. The task is clear and I can do that.
I'm a web developer with 10 years of experience. 7 years WordPress. I have strong skills in PHP, MySQL, HTML, CSS, JS, jQuery, AJAX, REST.I work with many differernt CMS: WordPress, PrestaShop, Magento, Drupal, OpenCart, Joomla! and frameworks: Yii, Laravel, CodeIgniter, ZEND.
I'm redy to start any time.
Please, contact me if you have any questions or anything to discuss.