Programmer
From Tardis Wiki, the free Doctor Who reference
A programmer was a person who wrote computer programs.
Melanie Bush worked as one in the mid-1980s, (TV: Terror of the Vervoids, et al.) as did Alan Jackson in the 2000s. (TV: The Lost Boy, et al.)
Vestal Smith was a computer programmer in the 24th century. (PROSE: The Twin Dilemma)
