The ability to sort freelancers by expertise, price, and reputation. There is ample talent on Upwork that you can recruit to your job and refine based on the complexity of tasks required. Once you've found talent it is very easy to begin a means of communication to decide if they are the right person for the job. From there the accountability structure, payment process, and completion of project is extremely easy to track. Review collected by and hosted on G2.com.
When listing multiple jobs it is sometimes hard to keep track of which freelancer is working for which job. Organization of the interface could definitely be better but once you've hit the learning curve of the platform it's not a real issue. Review collected by and hosted on G2.com.
