Your clients can invite you as their private translators!
They can send you an invitation from ICanLocalize, and you will get a notification to your email address:
You need to click on the link provided (see red arrow above), and then enter your email and password.
After doing so, you will see the following screen:
It is up to you to accept or decline the invitation. If you accept, you will get an email when new work is available. Besides, You can always check for existing available work by visiting your home page.