AI Content & Data Specialist for LLM Training

barcelona, cataluña, Spain • Posted June 03, 2026

Job Type: Full-time
Location: barcelona, cataluña
Posted: June 03, 2026
Category: Marketing & Media
Application Deadline: July 13, 2026

Role Description

A technology company in Barcelona is seeking an AI Content Expert II to create and annotate training data for Large Language Models. The role requires proficiency in Dutch and English, alongside strong research and writing skills. As part of a diverse team, you will perform quality checks and engage in data improvement discussions. This is a full-time entry-level position with a fixed-term contract.
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