LLM Training Data Specialist AI Content Expert

Confidential

📍 barcelona, cataluña, Spain

Full-time Marketing & Media Posted June 19, 2026

Job Description

A progressive tech company in Barcelona is seeking an AI Content Expert II to enhance Large Language Models' capabilities. The role demands creating and annotating complex training data while requiring strong proficiency in both Dutch and English, alongside a solid educational background. Responsibilities include quality checks and reporting tooling bugs. The position is office-based, requiring exceptional attention to detail and the ability to work effectively in fast-paced environments.
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