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Formal Methods Expert - Lean 4
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-07-31
Listing for:
Mercor
Full Time
position Listed on 2026-07-31
Job specializations:
-
Research/Development
AI Evaluation
Job Description & How to Apply Below
About The Job
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark
, General Catalyst
, Peter Thiel
, Adam D'Angelo
, Larry Summers
, and Jack Dorsey
.
Position: Formal Methods (Lean
4) Expert
Type: Contract
Compensation: $95/hour
Location: Remote
Role Responsibilities- Design expert-level problems in formal methods: theorem proving, program verification, and formalization of mathematics.
- Review problems authored by peers for clarity, genuine difficulty, and ground-truth correctness.
- Evaluate and compare AI model outputs (proofs, tactics, formalizations), delivering Accept / Revise / Reject verdicts with detailed written rationale.
- Collaborate with AI research teams to ensure consistency and rigor in model outputs.
- Work independently and asynchronously to meet deadlines while improving AI model performance.
- Strong background in formal verification / interactive theorem proving.
- Hands-on experience in Lean 4 (and mathlib), Coq, Isabelle, or Agda.
- Familiarity with type theory, mathematical logic, and program verification.
- Strong technical writing and meticulous attention to detail.
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