OpenTrain is seeking a Hungarian Language Expert based in Hungary to evaluate and improve AI-generated Hungarian text against project rubrics and provide clear written feedback. Candidates must have native or near-native Hungarian proficiency, minimum C1 professional English, deep knowledge of Hungarian grammar, and at least 3 years of writing, editing, translation, or localization experience. The position is a remote, part-time contractor engagement requiring approximately 20 hours per week for 1 to 3 months.