I don't know what GP wants, but projects can still be graded. And the project supervisor can assign a rough percentage breakdown of each project into subfields:

I don't know what GP wants, but projects can still be graded. And the project supervisor can assign a rough percentage breakdown of each project into subfields: 30% DLC, 40% programming, 30% technical writing. At the end of the program, you can collate these in a table to say things like 7 months spent on DLC across 5 projects with average grade of A-.