For much of the 21st century, software engineering has been seen as one of the safest havens in the tenuous and ever-changing American job market.But there are a growing number of signs that the field is starting to become a little less secure and comfortable, due to an industry-wide downturn and the looming threat of artificial intelligence that is spurring growing competition for software jobs. “The amount of competition is insane,” said Joe Forzano, an unemployed software engineer who has wor...