Spanish Linguistic Expert

Confidential; United States; Remote; USD 25,000 - 44,000; Full time

Job summary

Confidential, a partner in cutting-edge AI research, is seeking experienced Spanish Linguistic Experts for a 100% remote contract to evaluate LLM performance in Spanish and curate high-quality data for training.

You will edit, annotate, and refine Spanish content, provide linguistic feedback to researchers, and help ensure cultural and regional accuracy across diverse use cases. Applicants must be based in the United States and be fluent in both Spanish and English.

Qualifications

• Native or near-native fluency in Spanish with excellent grammar and stylistics.
• Experience in translation, editing, linguistic annotation, or NLP data work in Spanish.
• Understanding of Spanish nuances, regional variations, register, and context-appropriate usage.
• Professional fluency in English.

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 Spanish-speaking audiences.
• 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.

Skills

Spanish fluency

Editing

Linguistic annotation

Remote collaboration

English proficiency

Job description

our partner 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 for Spanish-speaking audiences.
• 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 Spanish nuances, regional variations, register, and context-appropriate usage.
• 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.