Mexican Spanish Linguistic Expert

Confidential; United States; Remote; USD 60,000 - 100,000; Full time

Job summary

Confidential is seeking experienced Mexican Spanish Linguistic Experts for a 100% remote AI research project. You will evaluate LLM Spanish outputs and curate high-quality Spanish linguistic data to train and improve the model’s understanding and generation in Mexican Spanish.

The role emphasizes precise linguistic analysis and collaboration with distributed research teams. Requires native or near-native Mexican Spanish, strong English, and experience in translation/editing or NLP data work.

Qualifications

• Native or near-native fluency in Mexican Spanish with excellent grammar, syntax, and stylistics.
• Professional experience in translation, editing, linguistic annotation, or NLP data work in Spanish.
• Strong understanding of Mexican Spanish nuances, variances, and context-appropriate usage.

Responsibilities

• Evaluate the quality and accuracy of LLM-generated Spanish text across use cases (translation, summarization, dialogue, grammar).
• Edit, refine, or rewrite Spanish content for Mexico.
• Annotate Spanish text for grammatical, syntactic, and semantic features.
• Identify model errors and language gaps; collaborate with AI researchers to improve LLM performance.
• Provide linguistic feedback to guide model training.

Skills

Mexican Spanish fluency

Translation/editing/NLP data (Spanish)

English fluency

Attention to detail

Clear communication in distributed/ro

Job description

our partner is seeking experienced Mexican 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 Mexican 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 for Mexico.

• 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 Mexican 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 Mexican Spanish nuances, regional variations, register, and context-appropriate usage, including how it differs from other Latin American and Peninsular Spanish varieties.

• Professional fluency in English.

• 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.

This is a 100% remote contract role. Applicants must be located in: United States.