by the colloquial definition, no. "the trades" usually mean plumber, electrician, sheet metal worker, welder, home construction, etc. skilled labor with an apprenticeship program, often union backed.
I would consider any person engaged in skilled work that requires learning or training to be a tradesman, so yes a programmer fits in my opinion.
I would consider any person engaged in skilled work that requires learning or training to be a tradesman, so yes a programmer fits in my opinion.