Hi, I'm interested in either the letterer or the colorist position!
I'm not sure what examples you would need for lettering (please tell me if there's anything in specific that I can provide you) but here is my portfolio that will give you a good idea of what I could do as a colorist (in the Digital Art category, of course.) You can also find examples of my art here on my blog if you'd like!
Here are some examples that show my work with flat colors: