You have to turn on the [Receive Translation Requests] switch to receive a translation request.
After logging into Conyac, click your username on the upper right corner of the screen and choose Language Settings.
Register at least two languages so that the switch will appear on the screen. Turn on the [ Receive Translation Request] switch.
With the switch turned on, you will receive email notifications when new projects are available on Conyac. You can also take the level test of your language pairs.