Behold a perverse system where employers come to value those who can manipulate their hiring tech, says Parmy Olson for Bloomberg Opinion. LONDON: A Columbia University student recently shone a light on a disturbing corner of today’s job market. Roy Lee, 21, was fed up with the antiquated way that large tech firms were testing job candidates with computer coding riddles you had to memorise, so he created a tool that his peers could use to beat the system. A translucent window shows the latest