When you select your outsourcing professional from a freelance jobsite like GetAFreelancer, ScriptLance or oDesk, there are several ways in which you can make sure you are selecting the right person.
Firstly, you have to ensure that your project details are quite clear. These are the things your project post should cover:
Most importantly, make sure that you post the project in the right category. People will get alerts only based on the categories they have applied for.
When you take care to spell out as many details as you can, you can be almost sure that you will get the right people bidding on your work. You may only get a few bids, but they will be quality ones.
Make sure to check out all the samples of their work because this is your most important judging point. If you want an original sample, you can mention that in your project post itself and people who are willing to give you an original sample of their work will do so.
In any case, it is a good idea to only post a short-term project initially until you build a trust factor with an employee. Once that is set up, you can go for longer term projects.
Once you get a good professional, make sure you pay them promptly and give them a review according to their work. This ensures they will stay with you longer and you won’t have to undergo the hassle of repeatedly looking for employees.