Hollie Johnson

Key Skills

Software

Mercor

Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

Image

Video

Text

Top Label Types

Bounding Box

Entity Ner Classification

Relationship

Classification

Tracking

Evaluation Rating

Data Collection

Prompt Response Writing SFT

Freelancer Overview

I am a detail-oriented data annotator and AI training data specialist with hands-on experience labeling and evaluating text, audio, and structured datasets for machine learning projects. My background includes supporting AI model development by following complex annotation guidelines, performing rigorous quality assurance, and collaborating with project managers and QA teams to resolve discrepancies. I am skilled in using digital annotation tools, conducting consistency checks, and meeting strict productivity and quality benchmarks in remote, self-directed environments. My analytical mindset, strong English proficiency, and experience with large-scale data and research-driven projects enable me to deliver accurate, high-quality datasets that support reliable AI outcomes.

Labeling Experience

AI Annotator

Internal Proprietary ToolingVideoBounding BoxEntity Ner Classification

Detail-oriented AI training specialist experienced in video annotation, skilled at analyzing video content and producing precise, guideline-driven labels that improve model performance and dataset quality.

Detail-oriented AI training specialist experienced in video annotation, skilled at analyzing video content and producing precise, guideline-driven labels that improve model performance and dataset quality.

2025

AI Trainer

MercorTextPrompt Response Writing SFT

Prompt writer and response grader supporting AI model training by creating evaluation prompts and scoring model outputs for accuracy, relevance, reasoning quality, and guideline compliance.

Prompt writer and response grader supporting AI model training by creating evaluation prompts and scoring model outputs for accuracy, relevance, reasoning quality, and guideline compliance.

2025 - 2025

AI Trainer

MercorImageBounding BoxEntity Ner Classification

• Annotated and evaluated AI-generated outputs following detailed project guidelines to improve model accuracy and reliability. • Performed consistency checks and quality reviews to ensure high standards across datasets. • Labeled and categorized text and audio data for AI training purposes. • Met strict productivity and quality benchmarks in a remote, self-managed environment. • Collaborated asynchronously with project managers and QA teams to resolve edge cases and annotation discrepancies.

• Annotated and evaluated AI-generated outputs following detailed project guidelines to improve model accuracy and reliability. • Performed consistency checks and quality reviews to ensure high standards across datasets. • Labeled and categorized text and audio data for AI training purposes. • Met strict productivity and quality benchmarks in a remote, self-managed environment. • Collaborated asynchronously with project managers and QA teams to resolve edge cases and annotation discrepancies.

2025 - 2025

Education

Work History