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Linguistic Expert at Mercor. Location Information: Spain. This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more.. Role Description. This is a part-time opportunity (20–30 hours per week) where you’ll contribute to improving AI systems by ensuring high-quality language coverage, accuracy, and cultural relevance for Spanish as spoken in Spain. As a Linguistic Expert, you’ll work closely with AI researchers and engineers to refine models’ understanding and generation of Spanish. Your expertise will ensure that AI outputs are grammatically correct, contextually relevant, and culturally appropriate. This role blends linguistic knowledge with hands-on evaluation and feedback, helping shape the next generation of language AI.. Review, evaluate, and annotate AI-generated text in Spanish (Spain) for accuracy, fluency, and cultural alignment. . Provide expert feedback on grammar, semantics, style, and tone. . Develop guidelines and documentation to improve consistency in AI outputs. . Collaborate with researchers to identify language-specific challenges and edge cases. . Suggest improvements for training datasets and linguistic rules. . Qualifications. Fluency in both English and Spanish (Spain) (native-level proficiency in Spanish required). . Strong grasp of grammar, syntax, semantics, and stylistics. . Ability to identify and correct subtle linguistic and cultural nuances. . Bachelor’s degree in Linguistics, Translation, Literature, or related field (advanced degree a plus). . Prior experience in linguistic annotation, translation, or content review preferred. . Familiarity with AI, NLP, or language technologies is a bonus, but not required. . Requirements. Contribute directly to cutting-edge AI research and applications. . Flexible part-time schedule (20–30 hours weekly). . Work remotely with an international, mission-driven team. . Be at the forefront of shaping AI’s understanding of Spanish (Spain).