Ik leer Nederlands. Ik wil werken in Nederlands na mijn studie. Ik ben Amerikaan e se. Ik hou van lopen en lezen. Ik studeer biologie.
Futhermore you are using a grammatical order that is in Dutch a little unsual. (But it is not incorrect, and it is certainly understandable.) A Dutchman would say: Na mijn studie, wil ik werken in Nederland. I can see the 'English' order in your sentence. :-)