> you're single-handedly pulling an important project

Never do it on employment contract in Europe. Even if you really are and then quit your job, from next Monday everything will operate as if you never had worked there.

> you're never going to make the same as people who push numbers, papers and money.

That's why the top EU companies are loathed ERP company, perfumes and purses company, and obesity drug for Americans company.

> everything will operate as if you never had worked there.

Well, they wrecked my app after I left. It was blazingly fast, and we has a very fast moving team. Now the team and the app are slow. (I don't even work there yet and I already know why it's slow, and I don't think it will be very hard to fix.)