Obsidian is seeking Lean engineers and formal mathematicians to help its AI lab state and prove mathematics correctly in Lean 4. You will write and review Lean 4 proofs, formalize informal math, and assess model proofs for fidelity.
The role is a part-time commitment of 20–40 hours weekly, with placement under the Cincinnatus LLC as employer of record. This position offers an opportunity to work with researchers on math-heavy AI projects, contribute to standards for proof quality, and
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Lean Engineer: Formal Math & Proof Engineering (Part-Time) in London employer: Mercor
Mercor is an exceptional employer that champions innovation and creativity in the AI sector, offering a fully remote work environment that promotes flexibility and independence. With a strong focus on employee growth, team members are encouraged to take ownership of their projects while benefiting from a supportive culture that values collaboration and continuous learning. Joining Mercor means being part of a forward-thinking company backed by industry leaders, where your contributions directly impact cutting-edge search technologies.
