Spanish Language Specialist – Freelance AI Trainer

Invisible Technologies

. Converse with advanced language models in Rioplatense Spanish across a wide range of topics .

Posted 11/6/2026contractRemote • ArgentinaMid-LevelSenior💰 $8 - $65 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Rioplatense Spanish language, including grammar, vocabulary, and cultural nuances, while effectively evaluating and documenting AI model performance and improvements. Strong communication skills are essential for conveying complex linguistic concepts clearly.

Highest-signal resume keywords

Rioplatense Spanish Language ExpertiseGrammar and Orthography KnowledgeCultural Relevance EvaluationDocumenting Model Failure ModesPrompt Engineering Suggestions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linguistic Accuracy VerificationPhonetics UnderstandingIdiomatic Expressions KnowledgeContextual Interpretation AbilitySyntactic Accuracy Evaluation

Soft Skills

Clear CommunicationMetacognitive Skills

Tools & Technologies

High-Speed InternetSecure Computer

Industry Keywords

TranslationLocalizationTeaching ExperienceEditorial WorkDegree in Linguistics

About the role

Key responsibilities & impact

Converse with advanced language models in Rioplatense Spanish across a wide range of topics
Verify linguistic accuracy and cultural relevance
Capture reproducible error traces
Document model failure modes
Suggest improvements to prompt engineering and evaluation metrics
Help train AI models to understand Rioplatense Spanish phonetics, grammar, vocabulary, and cultural nuances

Requirements

What you’ll need

Spanish (Rioplatense) language expertise specific to Argentina and Uruguay
Strong knowledge of grammar, orthography, voseo usage, intonation patterns, idiomatic expressions, and cultural references
Ability to evaluate regional colloquialisms, contextual interpretation, tone adaptation, syntactic accuracy, and semantic precision
Ability to document reproducible model failure modes
Ability to communicate clearly and metacognitively (“showing your work”)
A degree in Linguistics, Translation, Spanish Language, Literature, or a related field is ideal
Professional experience in teaching, translation, localization, or editorial work signals fit
Secure computer and high-speed internet
Contract work arrangement

Benefits

Comp & perks

Secure computer and high-speed internet supplied by contractor
Company-sponsored health insurance and PTO do not apply