Lean 4 Theorem Prover Engineer for AI Math Formalization

Mercor is seeking Lean engineers and formal mathematicians to help state and prove mathematics for AI models using Lean 4 and mathlib. You will write Lean proofs, translate informal math into precise formal statements, and assess model proofs for fidelity. This is a part-time role (20–40 hours/week) with W-2 employment through an international entity, offering collaboration with a leading AI lab and opportunities to contribute to high‑quality formalization work.