This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Welsh Language Specialist - Freelance AI Trainer Project based in Spain.

This freelance opportunity is designed for an experienced Welsh language professional who wants to contribute directly to the development of next-generation AI systems.
You will apply your linguistic expertise to evaluate, annotate, and improve AI-generated Welsh content.
Your work will help models produce language that is more accurate, natural, culturally appropriate, and contextually meaningful.
You will assess grammar, syntax, semantics, style, fluency, and cultural nuance across a variety of AI outputs.
The role combines language expertise with emerging AI technologies in a adaptable, remote environment.
You will also help identify recurring model errors and improve prompts, evaluation approaches, and linguistic guidelines.
This is an opportunity to use your Welsh expertise to support AI tools serving Welsh-speaking communities worldwide.

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Accountabilities

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Review and annotate Welsh-language content used for AI training and evaluation.

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Assess AI-generated Welsh outputs for grammatical accuracy, fluency, meaning, style, and natural language usage.

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Identify linguistic, contextual, and cultural issues and provide precise, actionable feedback.

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Analyze and document recurring error patterns to help improve model performance.

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Evaluate whether generated content appropriately reflects Welsh linguistic and cultural context.

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Contribute expert feedback to the development and refinement of prompts, evaluation methodologies, and language guidelines.

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Apply consistent annotation and quality standards across assigned tasks.

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Collaborate remotely with project teams and other language specialists to resolve ambiguous linguistic cases and improve evaluation quality.

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Use professional judgment and attention to detail when reviewing nuanced or context-depe

📌 Welsh Language Specialist (España)
🏢 Jobgether
📍 España