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Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in writing formal proofs in Lean 4 and a strong background in proof-based mathematics, theoretical computer science, or logic. Capable of collaborating effectively with engineers and researchers to uphold quality standards in mathematical formalization.
Highest-signal resume keywords
Lean 4 Proof WritingMathlib FamiliarityProof-Based Mathematics BackgroundClear Written CommunicationFormal Proof Review
Tech Stack
Tools & technologiesAbout the role
Key responsibilities & impact- Write correct, idiomatic Lean 4 statements and proofs compiling against current mathlib
- Formalize natural-language mathematics across algebra, analysis, number theory, combinatorics, and logic
- Review AI-generated Lean statements and proofs, identify failures or incorrect conclusions, and provide specific written feedback
- Help define guidelines and rubrics for proof quality, statement fidelity, and mathlib conventions
- Collaborate with Lean engineers and lab researchers to maintain consistent standards and improve quality
Requirements
What you’ll need- Hands-on experience writing formal proofs in Lean 4
- Comfort with mathlib and Lean 4 tactics, including finding and using appropriate lemmas
- Strong background in proof-based mathematics, theoretical computer science, or logic through a degree or research record
- Ability to turn written statements and proofs into correct formal statements and checking proofs
- Availability for at least 20 hours per week during weekdays
- Clear written communication and ability to explain proof strategy and formalization choices precisely
- Nice to have: experience with Coq/Rocq, Isabelle, Agda, Haskell, Lean metaprogramming, or AI-for-math work
- H1-B or STEM OPT candidates are not supported
Benefits
Comp & perks- W-2 employment with payroll, benefits, and compliance through Cincinnatus LLC or appropriate international entity
- Fully remote work
- Flexible schedule / work on your own schedule
- Payments weekly on Stripe or Wise based on services rendered
- Opportunity to collaborate with leading researchers
- Referral payments of up to $1,760 per successful referral (referral limits apply)
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Formal ProofsLean 4MathlibProof CheckingProof StrategyLean TacticsFinding LemmasNatural Language FormalizationTheoretical Computer ScienceLogic
Soft Skills
Clear CommunicationFeedback ProvisionCollaboration
Tools & Technologies
CoqIsabelleAgdaHaskellLean Metaprogramming
Industry Keywords
Mathematics FormalizationProof Quality GuidelinesAI-Generated Proof ReviewCombinatoricsNumber TheoryAlgebraAnalysis