In-House Counsel (Japan)

Mercor is partnering with a leading legal AI company to benchmark how well AI systems answer real questions of Japanese law. We are hiring experienced in-house counsel to serve as expert reviewers — running the same prompts through two AI platforms, comparing the answers, and scoring them against a standardized rubric.

What you'll do

• Run the same set of prompts across two AI (LLM) platforms

• Compare the outputs from both platforms side by side

• Score each response against a standardized rubric we provide

• Submit concise written feedback for every evaluation

Requirements

• 5+ years as in-house legal counsel practising in Japan

• Strong command of Japanese law, especially commercial and contract matters

• Sharp attention to detail and precise written communication

• Able to work independently to a rubric and to deadlines

Logistics

• Initial commitment: ~10 hours, with strong potential for more

• Confidentiality: all work is covered by NDA