To be rejected from hundreds of jobs suggest you should reevaluate how you approach the entire problem. At the very basic level you should understand what are

To be rejected from hundreds of jobs suggest you should reevaluate how you approach the entire problem. At the very basic level you should understand what are the expectations of the employer and whether you can fill those expectations. Try to find and talk to people at those positions you are applying to. Try to understand where you fall short.