If an international student has earned their degree in science, technology, engineering, and mathematics. Then that STEM student can apply for OPT extension in USA, followed by some conditions. If the recruiter is registered as e-verify, then the OPT candidates can continue to work with them. If the job that an OPT candidate is doing is based on their STEM degree. visit- https://www.optnation.com/blog/opt-extensions-in-the-usa-extending-your-employment-duration/