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Cynthia Sin

AI Data Specialist | Independent Contractor

USA flag
Remote, Usa
Intermediate

Key Skills

Software

No software listed

Top Subject Matter

AI Model Evaluation
Computer Vision (Image & Video Quality)

Top Data Types

TextText
ImageImage

Top Task Types

Classification

Freelancer Overview

AI Data Specialist | Independent Contractor. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. AI-training focus includes data types such as Text and Image and labeling workflows including Evaluation, Rating, and Classification.

Intermediate

Labeling Experience

AI Data Specialist | Independent Contractor

ImageClassification
In this role I review, compare, and annotate short video clips and images to enhance machine learning model training. I identify, label, and document visual attributes to help improve overall model performance. My tasks include performing detailed side-by-side visual comparisons focusing on quality factors such as color accuracy and sharpness. • Label visual attributes in videos and images for AI model improvement. • Conduct quality assessments of visual data using structured protocols. • Perform side-by-side image comparisons to identify subtle visual differences. • Ensure annotation accuracy under fast-paced, remote work conditions.

In this role I review, compare, and annotate short video clips and images to enhance machine learning model training. I identify, label, and document visual attributes to help improve overall model performance. My tasks include performing detailed side-by-side visual comparisons focusing on quality factors such as color accuracy and sharpness. • Label visual attributes in videos and images for AI model improvement. • Conduct quality assessments of visual data using structured protocols. • Perform side-by-side image comparisons to identify subtle visual differences. • Ensure annotation accuracy under fast-paced, remote work conditions.

2026 - Present

AI Data Specialist | Independent Contractor

Text
As an AI Data Specialist, I evaluate and annotate AI-generated textual responses using structured frameworks and scoring rubrics. I design, test, and refine prompts, ensuring that the model's reasoning, factual accuracy, and instruction-following abilities are accurately measured. I document findings, maintain quality standards, and deliver high-quality work within specified deadlines. • Annotate and rank AI-generated responses for quality and relevance. • Create and iterate on prompts to improve model evaluation. • Document and synthesize evaluation outcomes for training purposes. • Consistently adhere to strict guidelines in remote, deadline-driven settings.

As an AI Data Specialist, I evaluate and annotate AI-generated textual responses using structured frameworks and scoring rubrics. I design, test, and refine prompts, ensuring that the model's reasoning, factual accuracy, and instruction-following abilities are accurately measured. I document findings, maintain quality standards, and deliver high-quality work within specified deadlines. • Annotate and rank AI-generated responses for quality and relevance. • Create and iterate on prompts to improve model evaluation. • Document and synthesize evaluation outcomes for training purposes. • Consistently adhere to strict guidelines in remote, deadline-driven settings.

2026 - Present

Education

No Education added yet

Cynthia S. hasn’t added any Education History to their OpenTrain profile yet.

Work History

L

Lunacreatez

Self Employed Artist

Remote
2025 - Present
D

Diamond Smoke and Vape

Customer Service Sales Representative

Beavercreek
2021 - 2025