Bilingual Japanese Generalist Evaluator Expert

Mercor is seeking native Japanese speakers with exceptional writing skills to contribute to a high-impact AI research project with a leading lab. Freelancers will author Japanese/English prompt–golden answer pairs that train and evaluate advanced language models. This is a short-term, flexible opportunity for professionals who combine language mastery, strong critical thinking, and a knack for instructional clarity. Ideal for those who enjoy distilling complex concepts into well-crafted, culturally grounded Japanese text while maintaining technical precision in English.

Create detailed prompts in Japanese and/or English with multiple constraints and instructions, ensuring natural phrasing and real-world relevance for Japanese-speaking users.

Location Requirements

Japanese

Japanese/English

Job Details

Multilingual Prompt Design & Optimization

Define and Document Evaluation Standards

Model Testing and Grading (Bilingual)

Benchmarking & Quality Assurance

Minimum Qualifications

Japan

Japan-specific

Preferred Qualifications

More Details About This Role

Mercor is seeking native Japanese speakers with exceptional writing skills to contribute to a high-impact AI research project with a leading lab. Freelancers will author Japanese/English prompt–golden answer pairs that train and evaluate advanced language models. This is a short-term, flexible opportunity for professionals who combine language mastery, strong critical thinking, and a knack for instructional clarity. Ideal for those who enjoy distilling complex concepts into well-crafted, culturally grounded Japanese text while maintaining technical precision in English. Create detailed prompts in Japanese and/or English with multiple constraints and instructions, ensuring natural phrasing and real-world relevance for Japanese-speaking users. Establish high-level expectations for correct responses in Japanese consumer contexts, and develop comprehensive rubrics that account for linguistic nuance, tone, and cultural conventions. Run prompts through models and assess preliminary outputs for accuracy, fluency, and cultural fit in Japanese, comparing results against English where needed. Collaborate in QA review processes to ensure prompt tasks and rubrics meet rigor—maintaining consistency and reliability across Japanese-language benchmarks before integration into official evaluations. Native-level fluency in Japanese (written) with strong reading/writing ability in English. BS or BA from a reputable institution (completed or in progress). Strong writing and critical thinking skills. Ability to work independently and meet deadlines. Significant familiarity with ChatGPT or similar tools for personal decision-making, hobbies, or general interests. Based in Japan (or able to reliably produce Japan-specific, culturally accurate Japanese). Experience in teaching, research, editing, or academic writing. Experience creating evaluation criteria, rubrics, or grading guidelines. Familiarity with LLMs, prompting, or model evaluation (helpful but not required). Complete an AI-led interview (about 15 minutes). If approved, complete a paid assessment focused on writing and rubric creation Then, if selected, you will be invited to work on the project. Expect to contribute at least 20 hours per week. Expect a commitment of around 2+ months. You’ll be working in a structured project environment with clear goals and tools. We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.

• Native-level fluency in Japanese (written) with strong reading/writing ability in English.
• BS or BA from a reputable institution (completed or in progress).
• Strong writing and critical thinking skills.
• Ability to work independently and meet deadlines.
• Significant familiarity with ChatGPT or similar tools for personal decision-making, hobbies, or general interests.
• Based in Japan (or able to reliably produce Japan-specific, culturally accurate Japanese).
• Experience in teaching, research, editing, or academic writing.
• Experience creating evaluation criteria, rubrics, or grading guidelines.
• Familiarity with LLMs, prompting, or model evaluation (helpful but not required).
• Complete an AI-led interview (about 15 minutes).
• If approved, complete a paid assessment focused on writing and rubric creation
• Then, if selected, you will be invited to work on the project.
• Expect to contribute at least 20 hours per week.
• Expect a commitment of around 2+ months.
• You’ll be working in a structured project environment with clear goals and tools.