need a php/webdesigner with joomla component experience to customize a joomla component

Need a php developer with skills in json and css to customize a joomla joombri freelance users profile and message system, the developer have to be skillful in web designing and with good experience joomla component development an image attached below give more description of what the user will do its involve customizing the message system and user system to work like that of freelancer.com which involves adding of functionality that is necessary needed the website link is [login to view URL]