Sarah D.

Key Skills

Software

Other

Top Subject Matter

AI/ML training data annotation for image

Text Domain Expertise

Audio Domain Expertise

Top Data Types

Image

Text

Document

Top Task Types

Entity (NER) Classification

Freelancer Overview

Data Annotator | Fact-Checker | Search Engine & Ads Evaluator (AI Data Specialist / Online Evaluator). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Elementary Education, Philippine Women’s University (2017) and Bachelor of Science, College of Mary Immaculate (2011). AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation, Rating, and Entity (NER) Classification.

Labeling Experience

Data Annotator | Fact-Checker | Search Engine & Ads Evaluator

OtherTextEntity (NER) Classification

Conducted fact-checking and claim verification by reviewing user-generated posts to assess accuracy, credibility, and verifiability. Classified claims based on truthfulness, context, and supporting evidence while documenting findings clearly and consistently. Conducted online research using authoritative sources to confirm or dispute claims in accordance with project guidelines. • Interpreted annotation/fact-checking guidelines to support consistent labeling • Validated evidence strength and relevance for each claim • Logged and documented verification outcomes per project standards • Achieved and maintained 98% accuracy on evaluation work

2019 - Present

Data Annotator | Fact-Checker | Search Engine & Ads Evaluator (AI Data Specialist / Online Evaluator)

OtherImage

Annotated large-scale image, text, audio, and video datasets used for AI and machine learning model training, while ensuring each item met the project requirements. Followed strict annotation and evaluation guidelines to maintain consistency across datasets and judgments. Collaborated with Quality Assurance teams to resolve discrepancies and improve overall data quality. • Applied guideline interpretation and compliance checks during annotation • Performed quality assurance and accuracy review for assigned samples • Maintained high accuracy (98%) across annotation and evaluation tasks • Adapted to evolving tools, workflows, and project requirements

2019 - Present

Online Education Consultant

OtherText

Evaluated educational and family-friendly applications and online services for relevance, quality, and compliance. Applied critical thinking to assess content alignment with platform and audience guidelines. Ensured accurate classification and reporting to support data-driven decisions. • Interpreted evaluation guidelines to assign consistent ratings • Performed quality/compliance checks for content classification • Documented findings for use in downstream product decisions • Ensured consistent reporting accuracy

2023 - 2024

Education

Work History