To thrive as an Online Test Grader, you need strong attention to detail, subject matter expertise, and solid written communication skills, often complemented by a relevant bachelor's degree. Familiarity with online learning platforms, assessment software, and sometimes standardized grading rubrics is typically required. Excellent time management, reliability, and the ability to give clear, constructive feedback are important soft skills in this role. These skills ensure accurate, fair grading and support the learning objectives of educational institutions or testing organizations.