Freelance AI Model Trainer / AI Data & Model Validation Consultant
I curated, labeled, and annotated complex data sets to train and fine-tune large language models for top AI companies. I conducted quality and performance testing on model outputs to ensure accuracy and compliance. I provided feedback to core teams for iterative model improvement. • Systematic curation and annotation of text and other data modalities. • Performed evaluation, categorization, and adversarial testing within strict guidelines. • Managed data privacy compliance and sensitive data handling. • Produced structured outputs using predefined rubrics and taxonomies.