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

This is a fully remote position, open to applicants in United States.

📋 Description

• Craft precise and idiomatic Lean 4 statements and proofs that compile with the current mathlib.

• Formalize mathematics expressed in natural language, including competition problems, textbook results, and advanced research lemmas.

• Evaluate AI-generated Lean statements and proofs, pinpoint failures or erroneous conclusions, and deliver specific written feedback.

• Assist in establishing guidelines and rubrics for proof quality, statement accuracy, and adherence to mathlib conventions.

• Collaborate with Lean engineers and AI lab researchers to uphold consistent standards and enhance quality.

• Engage in projects focused on training and improving AI systems.

⛳️ Requirements

• Practical experience in writing formal proofs using Lean 4.

• Proficient in mathlib and Lean 4 tactics, including the ability to locate and apply relevant lemmas.

• Strong foundation in proof-based mathematics, theoretical computer science, or logic, demonstrated through a degree or research experience.

• Capability to convert written statements and proofs into accurate formal statements and proofs that validate.

• Availability for a minimum of 20 hours per week during weekdays.

• Excellent written communication skills and the ability to articulate proof strategies and formalization decisions clearly.

• Preferred: experience with Coq/Rocq, Isabelle, Agda, Haskell, Lean metaprogramming, or AI applications in mathematics.

• Must be able to work independently without H1-B or STEM OPT support.

🏝️ Benefits

• W-2 employment, including payroll, benefits, and compliance managed through Cincinnatus LLC or an appropriate international entity.

• Weekly payments via Stripe or Wise based on services rendered.

• Fully remote work opportunity with a flexible schedule.

• Chance to collaborate with top researchers and contribute to the development of next-generation AI systems.

• Referral bonus of up to $1,760 for each successful referral.