Magento Developer required for Payment getaway and Knockout.js issues fixing

Hi , We are looking for a Magento developer which is good in knockout.js . We have already a development team but we are stucked on knockout js functionalities and some bugs in knockout.js in an 3rd party extension of Payment Getaway . So you just need to fix that with the contribution our our existing Team .
*Bid only if you're a EXPERT in knockout.js and Magento Development* .