Something rubs me the wrong way about that site. How come all these jobs are all artsy / techy. Where are all the thankless blue collar jobs? I see game designer, guitar luthier, and something called "coffee evangelist" but no janitors.
The whole thing seems like something on Portlandia.
Most of the jobs right now are artsy / techy because those people are easiest to reach from our personal networks and that's where we started signing up mentors. Feel free to throw a janitor in a suggestion box, we'll try to sign one up.
I don't know any janitors in poland. But think of the possibilities. You could offer a "Janitor's day in the life" to entitled tech workers. The tagline could be "Step outside your bubble and see how the rest of the world lives."
The whole thing seems like something on Portlandia.