About this role
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.