Obsidian is seeking a Spanish (Mexico) Audio Generalist Evaluator Expert for a short-term engagement in audio AI research. This role involves transcription, evaluation, and annotation tasks aimed at training advanced language models. The adecuado candidate will possess native or near-native fluency in Spanish (Mexico), strong writing skills, and an analytical mindset. You will contribute significantly to the quality assurance of our AI systems while working flexibly 10–20 hours per week.