Spanish Linguistic Expert - Evaluation Specialist

Mercor; Ciudad de México; Remote; MXN 1,060,000 - 1,510,000; Full time

Job summary

Mercor is seeking a Spanish Linguistic Expert for a remote contract role. You will evaluate the quality of LLM-generated Spanish text across translation, summarization, dialogue, and grammar tasks, and edit content to meet linguistic and cultural standards.

Ideal candidates are native or near-native Spanish speakers with experience in translation, editing, linguistic annotation, or NLP data work, keen attention to detail, and comfortable collaborating within distributed, remote teams on AI

Qualifications

• Native or near-native fluency in Spanish with strong grammar and stylistics.

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, collaborating with AI researchers to improve LLM performance.
• Provide detailed linguistic feedback and analysis to guide ongoing model training efforts.

Skills

Spanish language

Translation

Editing

Linguistic annotation

NLP data work

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 Experts
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, collaborating 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 .