I have over 12 years of software development experience using PHP, AJAX, jQuery, MySQL, SOAP/REST web-services etc. I have developed number of applications using PHP/Quickbooks API.
Relevant Skills and Experience
1. A connector to integrate Shopify to QBO and create invoices, payments, credit notes etc.
2. Integrate a WP application with QBO
3. Setup QBO API for a store to integrate sales/purchase feeds
Proposed Milestones
$750 USD - Milestones are to be decided after discussion with client
Please provide project details/work flow to understand the requirements better.