Mathematics & Lean Expert — AI Data Annotation & Quality Review
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Role Overview
We are seeking a Mathematics expert with strong experience in the Lean theorem prover to support a leading AI lab developing next-generation reasoning models. In this project-based role, you will review, annotate, and evaluate formal mathematical proofs and reasoning tasks, ensuring the highest standards of mathematical correctness and formal verification.
Key Responsibilities
- Annotate and review mathematical problems, proofs, and formal reasoning tasks.
- Write, validate, and evaluate formal proofs using Lean.
- Perform quality control (QC) on mathematical annotations and identify logical or formalization errors.
- Provide expert feedback to improve annotation and evaluation guidelines.
Required Qualifications
- Master's or PhD in Mathematics, Computer Science, Logic, or a closely related field.
- Strong proficiency with the Lean theorem prover.
- Solid foundation in formal mathematics, proof writing, and mathematical reasoning.
- Experience formalizing mathematical concepts and verifying proofs in Lean.
- Excellent attention to detail and ability to evaluate technical content with consistency.
- Fluent in English.
Nice to Have
- Experience with Lean 4.
- Familiarity with theorem proving libraries such as Mathlib.
- Experience with other proof assistants (e.g., Coq, Isabelle, HOL Light, Agda).
- Background in AI, formal verification, or automated reasoning.
8-week initial contract with 2-week trial period
Up to 20 hours/week
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