No can do with any of the other roles, but I can find bugs like there's no tomorrow ;p
An we sure need people that find bugs like no tomorrow.
Here's the standard message that I post below every sollicitation.
Thanks for the offer. Check the site to stay up to date. When enough people have signed up, we're going to assemble the actual team. In the meantime you can chat in the public discussion about the game. Don't forget to spread the word. We still need more developers.