Corporate/M&A Lawyer (Japan)

Job Type: Independent Contractor
Location: Remote — Japan
Compensation: $140–$150/hour (approximately $291,200–$312,000 annualized, based on 40 hours/week)

Eligible Countries

Hong Kong S.A.R., Japan

About the Opportunity

We are seeking experienced Corporate/M&A Lawyers to help evaluate how effectively advanced AI systems answer real-world questions involving Japanese law.

You will serve as an expert legal reviewer, comparing responses generated by two AI platforms and evaluating their accuracy, legal reasoning, relevance, and completeness against a standardized rubric.

This is a specialized opportunity for practitioners with strong knowledge of Japanese corporate and commercial law and practical experience in corporate, M&A, or transactional matters.

What You'll Do

• Run the same legal prompts across two AI platforms.

• Compare AI-generated responses side by side.

• Evaluate the accuracy, relevance, completeness, and legal reasoning of each response.

• Score responses against a standardized rubric.

• Provide concise, precise written feedback supporting each evaluation.

• Apply your professional legal judgment consistently across assigned tasks.

Requirements

• 2+ years of law-firm experience in corporate, M&A, or transactional practice; 3+ years preferred.

• Current in-house lawyers may qualify only if they moved in-house within the past 2 years and previously practiced at a law firm.

• Qualified to practise law in Japan, with strong knowledge of Japanese corporate and commercial law.

• Native or fluent Japanese, with precise written communication skills.

• Strong analytical and legal reasoning abilities.

• Ability to distinguish accurate legal analysis from flawed, incomplete, or unsupported responses.

• Ability to work independently against a defined rubric and meet deadlines.

Project Details

• Initial commitment: Approximately 10 hours, with strong potential for additional work.

• Work arrangement: Fully remote with flexible scheduling.

• Confidentiality: All project work is covered by an NDA.

• Independent contractor engagement.

• Payments are made weekly based on services rendered.

• Projects may be extended, shortened, or concluded early depending on project requirements and performance.

• H-1B and STEM OPT candidates are not currently supported.

Why Join

• Apply your Japanese corporate and M&A expertise to the evaluation of advanced legal AI.

• Help assess how AI systems reason about real-world Japanese corporate and commercial law.

• Contribute specialist legal judgment to improve the accuracy and reliability of AI-generated legal analysis.

• Work at the intersection of corporate law and frontier AI.

Ideal Candidate: A Japan-qualified corporate, M&A, or transactional lawyer with strong law-firm experience, excellent Japanese-language legal communication skills, and the professional judgment to rigorously evaluate AI-generated legal analysis.