Build a crowdsourcing website with wordpress

Hi, Not to get into too much details at this stage, I would like to build a bid-based crowdsourcing marketplace for nearby jobs. Bidding will be based on prices for the job, experience and skills of the person bidding for the job. The website will have 2 sections: The recruiter and the job seekers section The crowdsourcing site will have the following solutions: - Project submission - Project and job bidding - Private message - video call - Live chat - Project management and Tracking - Smooth escrow system - Geo localisation - rating system - Ajax loading - Frontend control - Drag slider to calculate fees - Wpml ready - Push Notifications - Live statistics with number of projects as well as number of members/clients - mobile SEO friendly - Site in multiple languages - Multi payment getaways - job seeker should be able to upload to upload resumes, skills, experiences etc. Link Indeed. - ability to dispute projects with admin - 3rd party integrations such as slack , Gusto etc. - ability to log in through other accounts such as Facebook, LinkedIn, google+ etc. More details will be given to the chosen freelancer. Thanks