AVI ASHER-SCHAPIRO SINCE graduating from a U.S. university four years ago, Kevin Carballo has lost count of the number of times he has applied for a job only to receive a swift, automated rejection email - sometimes just hours after applying. Like many job seekers around the world, Carballo's applications are increasingly being screened by algorithms built to automatically flag attractive applicants to hiring managers. "There's no way to apply for a job these days without being analyzed by some sort of automated system," said Carballo, 27, who is Latino and the first member of his family to go to…