AI Trainer & Data Annotation Specialist
Responsible for training, evaluating, and refining Large Language Models (LLMs) through Reinforcement Learning from Human Feedback. Leveraged expertise in Spanish and English linguistics to perform high-level data annotation and quality evaluation for multimodal AI systems. Specialized in prompt engineering, text evaluation, and the development of human-centric, reliable AI systems. • Evaluated and rated text outputs for adherence to logical, aesthetic, and domain requirements. • Created and annotated prompts and responses to improve LLM instruction-following. • Conducted model evaluations in both English and Spanish for complex or creative tasks. • Utilized multimodal evaluation strategies including text-to-image and text-to-video labeling.