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: PhD Physicist — Frontier Reasoning Trajectory Writer Type: Contract Compensation: $80–$120/hour Location: Remote Commitment: 15 hours/week Role Responsibilities
Produce "golden trajectories" for hard physics problems with complete, step-by-step solutions.
Work in Studio and iterate with a frontier LLM to draft and refine reasoning.
Develop trajectories clean enough to use as training data.
Evaluate problems screened by a frontier LLM requiring failure at least once.
Work independently and asynchronously to meet deadlines.
Qualifications Must-Have
PhD in physics or in the final 1–2 years of a PhD program.