Mercor

Legal Domain Expert - AI Specialist

San Francisco, California, US

Role snapshot

Mercor is hiring a Legal Domain Expert - AI Specialist on a full-time basis. This is a hybrid role based in San Francisco, California, US.

Company
Mercor
Location
San Francisco, California, US
Work mode
Hybrid
Job type
Full-time
Posted
Oct 31, 2026

Who this role suits

The listing does not state a required experience level here. Read the requirements in the description below and apply if they match your background.

How to prepare your application

  • Match your résumé to the requirements in the description, using the same wording where it is honest to do so.
  • Prepare a short example for each requirement you meet, and be ready to explain any you only partly meet.
  • Read what Mercor publishes about its product or team, so you can say clearly why this role and this company.

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About the role

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: Legal Domain Expert — AI Training & Evaluation
Type: Contract
Compensation: $60–$100/hour
Location: Hybrid, Bay Area, California
Commitment: 40 hours/week

Role Responsibilities

  • Evaluate the quality of legal knowledge work tasks and AI model outputs to identify missing behaviors and thin reasoning.
  • Write high-quality instruction specs and produce golden solutions for legal problems, defining new tasks that reflect real-world practice.
  • Design challenging legal tasks and evaluation sets to build legal-specific skills and tools with the research team.
  • Collaborate with client researchers and specialists to maintain consistent standards, translating tacit legal judgment into explicit criteria.
  • Work independently and collaboratively on-site with the client's team multiple days each week.

Qualifications

Must-Have

  • Juris Doctor (JD) from an accredited law school.
  • 5+ years of substantive post-qualification legal practice.
  • Specialization in at least one substantive practice area.
  • Seniority with real ownership of matters.
  • Active admission to at least one U.S. state bar.
  • Hands-on use of large language models in professional work.
  • Commitment to 40 hours per week for an initial 6 months.
  • Reside in the Bay Area, California, and able to work on-site.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: [email protected]

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.