Mathematical Formalization Specialist

7 days ago

Greater London, United Kingdom Labelbox Full time

Mathematical Formalization Specialist (Lean / Formal Proof Systems) About Alignerr Alignerr partners with leading AI labs to build expert‑driven workflows that improve model reasoning. We recruit top mathematicians and specialists to solve tasks where automated tools fail, advancing AI reliability, formalization, and high‑integrity dataset creation. Role Overview We are seeking a mathematician 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 formalizations. You will work on proofs that often lie beyond the current capabilities of automated provers, helping us map the frontier of what formal verification can express, capture, and automate. What You’ll Do Translate informal mathematical proofs into Lean (and related proof systems) with an emphasis on clarity, structure, and correctness. Analyze generic and domain‑specific proofs, identifying gaps, hidden assumptions, and formalizable sub‑structures. Construct formalizations that test the limits of existing proof assistants—especially where tools struggle or fail. Collaborate with researchers to design, refine, and evaluate strategies for improving formal verification pipelines. Develop highly readable, reproducible proof scripts aligned with mathematical best practices and proof assistant idioms. Provide guidance on proof decomposition, lemma selection, and structuring techniques for formal models. What You Bring Must‑Haves Master’s degree (or higher) in Mathematics, Logic, Theoretical Computer Science, or a closely related field. Strong foundation in rigorous proof writing and mathematical reasoning across areas such as algebra, analysis, topology, logic, or discrete math. Hands‑on experience with Lean (Lean 3 or Lean 4), Coq, Isabelle/HOL, Agda, or comparable systems—with Lean strongly preferred. Deep enthusiasm for formal verification, proof assistants, and the future of mechanized mathematics. Ability to translate informal arguments into clean, structured formal proofs. Nice‑to‑Haves Familiarity with type theory, Curry–Howard correspondence, and proof automation tools. Experience with large‑scale formalization projects (e.g., mathlib). Exposure to theorem provers where automated reasoning frequently fails or requires manual scaffolding. Strong communication skills for explaining formalization decisions, edge cases, and reasoning strategies. Ideal Candidate A mathematically mature problem‑solver who enjoys working at the frontier of formal verification—someone who finds satisfaction in taking a dense, elegant human argument and expressing it in a form that a machine can understand. You appreciate precision, structural beauty, and the challenge of resolving gaps that automated tools cannot yet bridge. Sample Work You Might Do Formalize classical proofs and compare machine‑verifiable structures against textbook arguments. Investigate where automated provers break down, and articulate why (complexity, missing lemmas, insufficient libraries, etc.). Create Lean proofs that reveal deeper patterns or generalizations implicit in the original mathematics. $50 - $150 an hour #J-18808-Ljbffr

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