Lean 4 Proof Engineer - Mathematical Formalization

Alignerr

📍 Brazil, Brazil, Brazil

Full-time Engenharia econômica e gerenciamento Posted February 26, 2026

Job Description

Overview

Location: Remote

At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models.

Write and formalize advanced mathematical proofs in Lean for cutting-edge AI research. Ideal for mathematicians passionate about formal verification and pushing the limits of modern proof assistants.

Organization

Alignerr

Position

Lean 4 Proof Engineer - Mathematical Formalization

Type

Hourly Contract

Compensation

$70–$150 /hour

Location

Remote

Commitment

10–40 hours/week

Role Overview

We are seeking mathematicians with deep training in rigorous proof construction and hands-on experience with formal proof languages, especially Lean. This role sits at the intersection of mathematics and computer science, focusing on translating human-written mathematical arguments into precise, machine-verifiable formaliza...