About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Mathematics & STEM Textbook QA Specialist Type: Contract Compensation: $25–$40/hour Duration: 2-3 weeks Commitment: 15–40 hours/week Role Responsibilities Validate math/STEM question–answer pairs extracted from textbook PDFs. Identify errors introduced by OCR or extraction. Compare extracted text to the source PDF. Correct transcription issues such as symbols, subscripts/superscripts, and missing terms. Fix and standardize LaTeX formatting to ensure expressions render correctly and match the source. Extract and label relevant context like problem statements, definitions, hints, solution steps, and short answers. Record correct PDF viewer page numbers. Revise raw textbook content into a clean QA format when the original is demonstrativ...