Spanish Linguistic Expert - Llm - Ai Trainer

Mercor; Madrid; Remote; EUR 51,000 - 72,000; Part time

Job summary

Mercor is seeking a Spanish Linguistic Expert for a remote contract role. You will evaluate and refine LLM-generated Spanish content across translation, summarization, dialogue, and grammar correction.

Responsibilities include annotating linguistic features, identifying model gaps, and providing detailed feedback to AI researchers to improve performance. Native or near-native Spanish, strong grammar, and NLP data work experience are required.

Qualifications

• Native or near-native fluency in Spanish with strong grammar and style.
• Experience in translation, editing, linguistic annotation, or NLP data work in Spanish.
• Understanding of linguistic nuances and regional variations.
• Attention to detail and ability to spot errors.
• Experience working in distributed, remote teams.

Responsibilities

• Evaluate quality and accuracy of LLM-generated Spanish text across use cases.
• Edit, refine, or rewrite Spanish content to meet standards.
• Annotate Spanish text for grammatical, syntactic, semantic features.
• Identify model errors and language gaps; collaborate with AI researchers.
• Provide linguistic feedback to guide model training.

Skills

Spanish fluency

Translation experience

Editing

Linguistic annotation

NLP data work (Spanish)

Attention to detail

Communication skills

Remote team experience

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Spanish Linguistic Expert
Type: Contract
Compensation: $50/hour
Location: Remote

Role Responsibilities

• Evaluate the quality and accuracy of LLM-generated Spanish text across various use cases such as translation, summarization, dialogue, and 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. Collaborate with AI researchers to improve LLM performance.
• Provide detailed linguistic feedback and analysis to guide ongoing model training efforts.

Qualifications

Must-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.
• Excellent attention to detail and ability to spot subtle errors or unnatural phrasing.
• Clear communication skills and experience working in distributed, remote teams.

Preferred

• Interest in AI and LLM-driven language technologies.

#hiringmercor