The Quality Assurance Tester Co-Op will perform manual testing tasks as assigned by QA leads (functional testing, browser testing, and content verification), on projects for the New England Journal of Medicine, Journal Watch, and other online products. Throughout a series of predefined releases; contribute to test case development and execution, and identify and log defects into the issue-tracking system. Assist in developing a QA Knowledge base by documenting product knowledge, and developing detailed prerequisites and back-end data conditions used to perform data integrity validation.