Key Responsibilities:

• Create or edit linguistically rich Japanese content, including grammar guides, syntactic analyses, usage explanations, and example sentences for LLM..

• Translate and localize English content into natural, contextually appropriate Japanese while maintaining accuracy and tone.

• Identify and resolve issues related to ambiguity, bias, or grammaticality in Japanese language data.

• Perform quality assurance (QA) on model outputs for fluency, cultural nuance, factual accuracy, and linguistic appropriateness in Japanese.

• Annotate Japanese linguistic datasets with syntactic, semantic, or pragmatic labels.

• Conduct linguistic research on Japanese language usage and summarize findings to support internal teams.

• Apply linguistic expertise to evaluate model behavior, identify error patterns, and improve Japanese language performance across NLP systems.
  
  

Qualifications:

• Deep understanding of Japanese linguistic theory, grammar, and language structure.

• Native or near-native fluency in Japanese and strong command of English.

• Experience with computational linguistics, corpus analysis, or language data annotation (especially for Japanese) is a plus.

• Familiarity with LLM training and evaluation workflows preferred.

• Exceptional writing, editing, and communication skills in both Japanese and English.