I gave this advice just today: Don't call yourself "A jack of all trades" on a resume or in an interview. Instead refer to yourself as a "Swiss Army knife" or

I gave this advice just today: Don't call yourself "A jack of all trades" on a resume or in an interview. Instead refer to yourself as a "Swiss Army knife" or something. The reason is that "A jack of all trades." is often (mentally at least) followed by "Master of none".