Build a Micro Job Website

I am looking for someone who can build a micro job website. Where workers and Employer will play their own role in their One single account. You have to set database of User Accounts. Which will work dynamically like if an employee deposit or withdraw or give job or complete job, then its value from main account change according to his control. Users account will have their option for upgrade to high level more feature account.
Best Example of working Website is like : https://picoworkers.com/

You should manually check that website working method. then, apply if you can develop it.