Real-Time XML Stock Feed Integration

I need a developer who can connect my supplier’s XML feed (delivered over SFTP) to my existing WooCommerce store so that stock levels and prices refresh in real time. The feed holds four elements that absolutely must map correctly: Product ID, Stock Quantity, Price and Image... (Budget: £250 - £750 GBP, Jobs: API, MySQL, PHP, Web Development, Web Services, WordPress, WordPress Plugin, XML)