Now with the help of Jobs & Experts plugin, you can create a portal where users can post jobs and freelancers can find work according to their qualifications. It does not require any support of third-party plugin or addon. It comes with the built-in private messaging system, front-end profile creator, job poster, with budget management for the projects. Overall it a complete plugin to convert your WordPress website into a fully functional freelancing website.
This is the EXACT same plugin as distributed by the developer on WPMU DEV. The developers’ links are provided above.