Remote Senior Law Librarian​/Research Attorney - AI Trainer

About the Role

Mercor is hiring experienced Senior Law Librarians and Research Attorneys to help design complex, high-quality legal research questions for an AI evaluation benchmark. This role is ideal for professionals who regularly handle escalated or cross-jurisdictional research questions and are skilled at framing nuanced research problems.

• Draft sophisticated legal research questions reflecting complex firm-level inquiries.
• Design issues requiring: multi‑jurisdictional analysis, conflicting authority resolution, deep precedent synthesis.
• Ensure all questions are grounded in identifiable, authoritative legal sources.
• Maintain clarity, realism, and practical scope.

• 8+ years of experience as a law librarian, research attorney, or senior legal research specialist.
• Extensive experience handling complex or escalated research requests.
• Strong understanding of legal research methodologies.
• Exceptional issue‑framing and writing skills.

• Experience training associates on research techniques.
• Exposure to AI tools in legal research.
• Prior dataset annotation or benchmark development experience.

• Apply deep research expertise to shape how AI systems are evaluated on legal reasoning.
• Flexible engagement structure.
• Work with a top‑tier AI research organization.