Lean Engineer, Formal Mathematics (Lean 4, Mathlib, Theorem Proving)

Posted 30 Sep 2026

$90–110/hr

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Platform

Mercor

Work

Remote · Part time · 20 hrs/wk

Eligibility

Open to United States, Canada, United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Field

Science & research

Skills

Lean 4MathlibFormal ProofsTheorem ProvingMathematical FormalizationLean 4 TacticsProof VerificationAlgebraMathematical AnalysisNumber TheoryCombinatoricsMathematical LogicTheoretical Computer ScienceCoq/RocqIsabelleAgdaHaskellLean MetaprogrammingAI for MathematicsLLM Provers

About this role

Help a leading AI lab teach its models to write real, machine-checked mathematics in Lean. 1. Overview A leading AI lab is looking for Lean engineers, formal mathematicians and proof engineers to help its AI models state and prove mathematics correctly. You'll write and review…

Read the full description on Mercor

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