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.

Corporate/M&A Lawyer

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