💼 Full-Time Position

Castilian Spanish/English Bilingual AI Data Annotator & Evaluator (Remote, Hourly Contractor)

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CNTXT AI
📍 Madrid, Community of Madrid, Spain
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Location
Madrid, Spain
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Posted
June 01, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Position Summary

This is a fully remote, hourly contractor role supporting AI data and language projects on a project-based, flexible hour basis. Project scopes vary and may include:

  • Data annotation: labeling, classifying, and structuring documents, tables, and other content to support AI training datasets.

  • LLM evaluation: reviewing AI-generated responses for accuracy, reasoning quality, coherence, and cultural/linguistic appropriateness.

  • Content generation: writing high-quality prompts and model responses, or recording high-quality voice samples, to guide AI learning across diverse topics.

  • Localization QA: ensuring terminology, tone, cultural nuance, and locale-specific details (units, references, names, dates) are consistently accurate across outputs.

You will apply senior-level Castilian Spanish localization and tran...