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Japanese Linguistic Experts

  • Pay: $50 / hour
  • Contract: Contract
  • Who can apply: Open worldwide
  • Posted Oct 26, 2026

In short

Japanese Linguistic Experts evaluate, edit, and annotate Japanese language data to improve large language model performance. Candidates must have native or near native Japanese fluency and professional experience in translation, editing, or linguistic annotation.

Description

Description in English, as published by Mercor.

Mercor is seeking experienced Japanese Linguistic Experts to join a cutting-edge AI research project in partnership with a leading research lab. This role centers on evaluating how effectively a large language model (LLM) performs in Japanese-language tasks and on curating high-quality Japanese linguistic data to train and improve the model's understanding and generation capabilities.

Key Responsibilities:

  • Evaluate the quality and accuracy of LLM-generated Japanese text across various use cases (e.g., translation, summarization, dialogue, grammar correction).
  • Edit, refine, or rewrite Japanese content to meet linguistic and cultural standards.
  • Annotate Japanese text for grammatical, syntactic, and semantic features.
  • Identify model errors and language gaps, and collaborate with AI researchers to improve LLM performance.
  • Provide detailed linguistic feedback and analysis to guide ongoing model training efforts.

You're a strong fit if you have:

  • Native or near-native fluency in Japanese, with excellent command over grammar, syntax, and stylistics.
  • Professional experience in translation, editing, linguistic annotation, or NLP data work in Japanese.
  • Strong understanding of linguistic nuances, regional variations, and context-appropriate usage.
  • Interest in AI and LLM-driven language technologies (preferred but not required).
  • Excellent attention to detail and ability to spot subtle errors or unnatural phrasing.
  • Clear communication skills and experience working in distributed, remote teams.

Why Join

  • Contribute to cutting-edge AI research in partnership with a leading research lab.
  • Work on high-impact projects that directly support the development of advanced AI systems.
  • Gain hands-on exposure to state-of-the-art AI research and development.
  • Join a fast-moving project where your expertise and judgment can have a meaningful impact.

Originally published on Mercor

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