Spanish Language Expert – Freelance AI Trainer

Invisible Technologies

. Converse with language models in Spanish (Rioplatense) 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, phonetics, and cultural nuances, while effectively communicating and documenting linguistic evaluations. Capable of training AI models and suggesting improvements in prompt engineering and evaluation metrics.

Highest-signal resume keywords

Rioplatense Spanish Language ExpertiseGrammar and Orthography ProficiencyCultural Nuance EvaluationTeaching or Translation ExperienceMaster's Degree in Linguistics or Related Field

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PhoneticsGrammarVoseo UsageIntonation PatternsIdiomatic ExpressionsSyntactic AccuracySemantic PrecisionContextual InterpretationTone AdaptationPrompt Engineering

Soft Skills

Clear CommunicationMetacognitive Skills

Industry Keywords

LocalizationTranslationEditorial WorkLinguisticsCultural Relevance

About the role

Key responsibilities & impact

Converse with language models in Spanish (Rioplatense) across a wide range of topics
Verify linguistic accuracy and cultural relevance
Capture reproducible error traces and 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
Expertise in 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
Clear, metacognitive communication and ability to “show your work”
Professional experience in teaching, translation, localization, or editorial work signals fit
A Master's degree in Linguistics, Translation, Spanish Language, Literature, or a related field is ideal

Benefits

Comp & perks

Contractor role; company-sponsored health insurance and PTO do not apply
Contractor supplies a secure computer
Contractor supplies high-speed internet