Computer workers of various stripes, for example, have commonly not been paid for their extra hours. ... But under California law, the exemption applies only for workers whose primary function involves "the exercise of discretion and independent judgment." In numerous lawsuits, Thierman and other plaintiffs' attorneys have alleged that legions of systems engineers, help desk staff, and customer service personnel do no such thing. Of programmers, Thierman says, "Yes, they get to pick whatever code they want to write, but they don't tell you what the program does.... All they do is implement someone else's desires."