Ana Murillo

Key Skills

Software

Scale AI

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Entity Ner Classification

Freelancer Overview

I am an experienced AI data annotator and quality reviewer with over four years supporting the training and evaluation of large language models across both STEM and humanities domains. My expertise includes rubric-based dataset validation, structured Q&A and evaluation dataset review, and the development of QC guidelines to ensure data consistency and accuracy. I am highly proficient in Python and Google Colab, using these tools to automate quality control workflows and streamline data validation processes. I have a strong track record of analytical rigor, clear documentation, and cross-functional collaboration in remote contractor environments. I am comfortable working with complex, domain-diverse content and consistently deliver reliable results in fast-paced AI training data projects.

Labeling Experience

Large Language Models (LLM) | AI Training

Scale AITextEntity Ner Classification

Led large-scale evaluation and quality control of AI-generated Q&A datasets used in LLM fine-tuning and reinforcement learning workflows. Conducted rubric-based assessments focusing on reasoning accuracy, coherence, safety, and policy compliance across STEM and humanities domains. Performed structured pairwise comparisons and systematic output validation to identify hallucinations, factual inconsistencies, and logical gaps.

Led large-scale evaluation and quality control of AI-generated Q&A datasets used in LLM fine-tuning and reinforcement learning workflows. Conducted rubric-based assessments focusing on reasoning accuracy, coherence, safety, and policy compliance across STEM and humanities domains. Performed structured pairwise comparisons and systematic output validation to identify hallucinations, factual inconsistencies, and logical gaps.

2022 - 2025

Education

Work History