We're looking for Spanish language experts to evaluate and improve AI-generated content — ensuring it sounds natural, accurate, and culturally right for real Spanish speakers.
What if your fluency in Spanish could directly shape how AI communicates with hundreds of millions of people around the world?
Spanish is one of the world's most widely spoken languages, and the AI systems that serve its speakers deserve to get it right. That's where you come in. This is a fully remote, flexible contract role — no AI background needed, just a deep command of Spanish and a sharp eye for quality.
Why Join Us
Work on cutting-edge AI projects alongside leading research labs.
Fully remote and flexible — work when and where it suits you.
Freelance autonomy with the structure of meaningful, task-based work.
Contribute to meaningful work that improves AI for Spanish speakers worldwide.
Potential for ongoing work and contract extension as new projects launch.
Responsibilities
Review AI-generated Spanish translations and original content for accuracy and naturalness.
Identify mistranslations, unnatural phrasing, register mismatches, and cultural issues.
Suggest clear, idiomatic, and culturally appropriate improvements.
Provide structured, detailed feedback on linguistic and cultural quality.
Work independently and asynchronously — fully on your own schedule.
Required skills
Naturally detail-oriented with a consistent, methodical approach.
Comfortable evaluating written language quality across a variety of topics.
Preferred skills
Experience in translation, localization, editing, or linguistics.
Familiarity with AI tools or language evaluation workflows.
Knowledge of regional Spanish variations — Latin American, Iberian, or otherwise.
Background in communications, education, journalism, or content review.
Experience and education
No prior AI or tech experience required.
Language requirements
Native or near-native fluency in Spanish.
Strong written communication skills in Spanish.
Solid command of contemporary Spanish usage across different contexts and registers.
Thriveth makes AI data-training work easier to find, understand, and navigate. We replace uncertainty with clear opportunities, realistic expectations, and insights from real application journeys.
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