I have 8 years of experience in php,drupal. I have also worked on integration with many third party rest api, including the ones that have OAUTH. I also have work experience using curl for multiple HTTP requests. I have also contributed modules to drupal open source comunity. I have worked on multiple php frameworks like codeignitor,zend etc.
No payment required unless you are happy with the work.
Please let me know if you need additional info.
Prajwal