Location
, , spain
Job Type
Full-time
Posted
May 31, 2026
Job Description
Job Title: A.I Trainer (LLM & Generative AI Specialist)
Location: Remote (Worldwide)
Job Summary: We are seeking a detail-oriented and analytical AI Trainer to support the development and improvement of artificial intelligence systems. The AI Trainer will be responsible for training, evaluating, and refining machine learning models by providing high-quality data annotation, feedback, and performance analysis.
Responsibilities
- Architect and manage end-to-end training workflows, including supervised fine-tuning (SFT), Reinforcement Learning from Human Feedback (RLHF), and red‑teaming exercises.
- Develop complex prompt templates and testing scenarios to evaluate model performance across various domains (coding, creative writing, reasoning, multilingual tasks).
- Define and maintain rubrics for model output quality. Conduct in-depth analysis of model failures and edge cases to identify root causes of bia...