This is my current situation.
I am working for a company which I very much like. Currently I am being trained to be a developer aswell as doing some mathmetical research in my boss' systems.
I was an intern here and created some algorithms, which need further development. I got that assigned to me, but I have to learn some more about my programming language (PHP OOP) before I can actually develop the algorithms.
I am also setting up a data-mining environment. I have to set up some meeting with company's who sell their software and select which software I would like to work with. Afterwards our financial director will make the call.
As of now I barely am making a difference for my company, but I am planting the seeds to make a big difference for my company.
They are planning to giving me a new contract as soon as this one expires. After been given kind of a trial period, to see if it would work out between me and the company Currently I am not being paid much as a post-grad student and would like to earn more.
How can I ask for more salary while at the moment all I am doing isn't adding a lot of value, while potentially I can add (a lot) value?