Megan S.

Key Skills

Software

Other

Top Subject Matter

Conversational AI / machine learning training data quality

Machine learning dataset curation and bias reduction

Top Data Types

Text

Image

Top Task Types

Classification

Freelancer Overview

AI Data Specialist — Nexus AI Solutions. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Associate Degree, Miami Dade College (2022) and Professional Certificate, Google. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Data Specialist — Nexus AI Solutions

OtherText

Performed annotation and validation of large-scale AI training datasets to support model learning and downstream performance. Applied structured feedback loops to improve accuracy and conducted quality assurance reviews to ensure labeled data consistency. Designed prompts to enhance conversational AI behavior and reduce model errors during evaluation. • Annotated and validated 500,000+ data points for AI models • Improved model accuracy by 27% through structured feedback • Conducted QA reviews and trained junior annotators • Designed prompts to enhance conversational AI performance

2023 - Present

Machine Learning Data Analyst — BrightMind Technologies

OtherTextClassification

Performed dataset labeling and categorization to create structured training inputs for machine learning models. Focused on reducing bias within datasets to improve model fairness and reliability. Evaluated AI outputs and delivered corrective feedback while partnering with engineers to optimize dataset quality. • Labeled and categorized datasets for ML training • Reduced bias in datasets, improving model fairness • Evaluated AI outputs and provided corrective feedback • Collaborated with engineers on dataset optimization

2021 - 2023

Education

Work History