Wordpress Plugin devolopment

We are running a job board website using this theme (with built in supporting plugins) [login to view URL] we want a plugin that can fetch job feeds from different job board sites (as long as they provide data feed) the idea of the plugin is similar to: [login to view URL] provided by: [login to view URL] the reason we cant use this provided plugin simply because its intent to be used for WP Job Manager([login to view URL]) running sites and we are running different theme and plugins. the developed plugin should: - have all the features of the sample provided plugin(above). - be from scratch. - be unique. no copyright issue with any other plugin. - be multilingual. - be used for WordPress multisites. - NOT to be recreated or developed or sold to another party. the copyright of the developed plugin MUST be waived to us. - be responsive with all major platforms and devices. We expect from the developer to: - have min of 2 years experience developing WordPress plugins - install the example plugin and get familiar with its function and features. - to install our theme to test his finished work with it. - to deliver error free and issue free plugin. please apply for this job if the above requirements match.