The role involves translating informal mathematical proofs into machine-verifiable Lean 4 formalizations to help train advanced AI systems. Alignerr is looking for experts with a Master's degree or higher in Mathematics or related fields who have hands-on experience with formal proof systems like Lean, Coq, or Isabelle/HOL. This is a fully remote, flexible freelance position offering $170-$200 per hour for 10-40 hours of work per week.