Help wanted: pharmacists, engineers and nurses. Believe it or not, even some banks are hiring, at least for their technology teams. While the recession has claimed 4.4 million jobs, the economy has created others, many of them for highly trained and specialized professionals. More than 2 million jobs openings now exist across a range of industries, according to government data.Job seekers beware, though. An average of nearly five people are competing for each opening. That’s up sharply from a ratio of less than 2-to-1 in December 2007, when the recession was just starting and nearly 4 million openings existed.Human resources executives say companies that are hiring are benefiting from a top-notch talent pool as applications pour in from a larger base of job seekers. The number of unemployed Americans has soared, to 12.5 million last month, from 7 million when the recession began. professionals.Even in a recession, some companies are hiring.