Spanish Linguistic Expert - LLM

Mercor; Ciudad de México; Presencial; MXN 320.000 - 520.000; Jornada completa

Descripción de la vacante

Mercor seeks experienced Spanish Linguistic Experts to join an AI research project focused on evaluating LLM Spanish performance and curating high-quality Spanish linguistic data for model training.

You will work with a distributed team to provide linguistic input, annotations, and thoughtful feedback to advance state-of-the-art language models and applications.

Formación

• Native or near-native fluency in Spanish with strong grammar and style.
• Experience in translation, editing, linguistic annotation, or NLP data work in Spanish.
• Deep understanding of linguistic nuances and regional variations.

Responsabilidades

• Evaluate the quality and accuracy of LLM-generated Spanish text across various use cases (e.g., translation, summarization, dialogue, grammar correction).
• Edit, refine, or rewrite Spanish content to meet linguistic and cultural standards.
• Annotate Spanish text for grammatical, syntactic, and semantic features.
• Identify model errors and language gaps, and collaborate with AI researchers to improve LLM performance.
• Provide detailed linguistic feedback and analysis to guide ongoing model training efforts.

Conocimientos

Spanish fluency

Translation experience

Linguistic annotation

NLP data work

Attention to detail

Remote collaboration

Descripción del empleo

Mercor is seeking experienced Spanish Linguistic Experts to join a cutting-edge AI research project in partnership with a leading research lab. This role centers on evaluating how effectively a large language model (LLM) performs in Spanish-language tasks and on curating high-quality Spanish linguistic data to train and improve the model’s understanding and generation capabilities.

Key Responsibilities:

• Evaluate the quality and accuracy of LLM-generated Spanish text across various use cases (e.g., translation, summarization, dialogue, grammar correction).

• Edit, refine, or rewrite Spanish content to meet linguistic and cultural standards.

• Annotate Spanish text for grammatical, syntactic, and semantic features.

• Identify model errors and language gaps, and collaborate with AI researchers to improve LLM performance.

• Provide detailed linguistic feedback and analysis to guide ongoing model training efforts.

You’re a strong fit if you have:

• Native or near-native fluency in Spanish, with excellent command over grammar, syntax, and stylistics.

• Professional experience in translation, editing, linguistic annotation, or NLP data work in Spanish.

• Strong understanding of linguistic nuances, regional variations, and context-appropriate usage.

• Interest in AI and LLM-driven language technologies (preferred but not required).

• Excellent attention to detail and ability to spot subtle errors or unnatural phrasing.

• Clear communication skills and experience working in distributed, remote teams.

Why Join

• Contribute to cutting-edge AI research in partnership with a leading research lab.

• Work on high-impact projects that directly support the development of advanced AI systems.

• Gain hands-on exposure to state-of-the-art AI research and development.

• Join a fast-moving project where your expertise and judgment can have a meaningful impact.