Denis Brown

Key Skills

Software

Mercor

Top Subject Matter

No subject matter listed

Top Data Types

Image

Text

Video

Top Label Types

Classification

Text Generation

Evaluation Rating

Data Collection

Freelancer Overview

I am a detail-oriented AI Data Specialist with hands-on experience in data labeling, annotation, and quality evaluation for large language models and search engines. My expertise includes rubric-based scoring, instruction compliance analysis, hallucination detection, and logical consistency review to ensure high-quality AI outputs. I am skilled at identifying edge cases, documenting model weaknesses, and delivering structured feedback using tools like Google Workspace, Microsoft Excel, and remote collaboration platforms. With a strong background in evaluating search relevance and intent classification, I am committed to improving dataset reliability and supporting advanced AI model validation projects.

Labeling Experience

LLM Data Annotation & AI Model Evaluation Specialist

MercorTextClassificationText Generation

Worked on LLM data annotation and evaluation projects involving text classification, prompt-response quality rating, content safety review, and instruction-following assessment. Evaluated model outputs for factual accuracy, coherence, policy compliance, and relevance. Performed text generation tasks, data validation, and quality assurance following detailed annotation guidelines.

Worked on LLM data annotation and evaluation projects involving text classification, prompt-response quality rating, content safety review, and instruction-following assessment. Evaluated model outputs for factual accuracy, coherence, policy compliance, and relevance. Performed text generation tasks, data validation, and quality assurance following detailed annotation guidelines.

2023

Education

Work History