IT office work evaluating AI-generated content. Core duties include understanding client policies and guidelines, checking that Korean text generated by AI is correct, and contributing to quality improvements for AI services used by Korean speakers globally. Required: Korean language proficiency at business level or above, conversational Japanese (JLPT N2+ recommended), English reading comprehension (TOEIC 600 level, speaking/writing not needed), basic computer skills. No prior experience or specific educational background required. Working holiday visa holders welcome. Contract employee. Annual salary 3,000,000-4,000,000 yen (hourly 1,550 yen). Monday-Friday, 9:00-18:00. Location: Fukuoka, Japan.