Pressured by economic uncertainty, Amazon is freezing hiring for its corporate workforce “for the next few months,” the company announced Thursday. The news comes after weeks of Amazon hinting it will slow growth and slim down experimental ventures and projects. Amazon said Thursday its decision is due to the economy and “in light of how many people we have hired in the last few years.” Amazon declined to answer questions about how the hiring freeze would impact its workforce in the Puget Sound. The company has 55,000 employees in Seattle and has been on a hiring spree outside the city, aiming…