Sonia Duignan

Key Skills

Software

Mercor

Other

Top Subject Matter

General AI/Data Annotation

Content Evaluation / Review

Multimedia / Audio / Video Annotation

Top Data Types

Text

Image

Audio

Video

Top Task Types

Classification

Bounding Box

Point Key Point

Object Detection

Segmentation

Question Answering

Text Summarization

Transcription

Evaluation Rating

Data Collection

Freelancer Overview

Generalist Expert with hands-on experience in AI data annotation and response evaluation across platforms including Mercor, RWS and Welocalize. Skilled in applying detailed guidelines and taxonomies to assess and label text, image and audio data with a high level of accuracy and consistency. Experienced in comparing model outputs, identifying errors and providing clear, structured justifications. Background in digital content and audio production supports work across multimodal datasets.

Labeling Experience

Generalist Expert - Mercor

MercorTextClassification

As a Generalist Expert at Mercor, I annotated and categorized various datasets spanning text, image, and multimodal formats using predefined taxonomies. I applied detailed rubrics and structured guidelines to ensure consistently high-quality labeled outputs. My work contributed directly to the development of machine learning models by maintaining the accuracy and reliability of data. • Categorized datasets using structured taxonomies • Applied detailed guidelines for quality • Enhanced dataset reliability and accuracy • Supported machine learning training with high-quality data

As a Generalist Expert at Mercor, I annotated and categorized various datasets spanning text, image, and multimodal formats using predefined taxonomies. I applied detailed rubrics and structured guidelines to ensure consistently high-quality labeled outputs. My work contributed directly to the development of machine learning models by maintaining the accuracy and reliability of data. • Categorized datasets using structured taxonomies • Applied detailed guidelines for quality • Enhanced dataset reliability and accuracy • Supported machine learning training with high-quality data

2026 - Present

Digital Annotation Expert - Mercor

MercorAudio

During my tenure as Digital Annotation Expert at Mercor, I evaluated audio, image, and video content for use in AI training. The role involved accuracy and preference comparisons on AI-generated responses using structured project guidelines. I maintained consistency and reliability throughout all evaluation tasks assigned. • Evaluated multimedia content for AI usefulness • Compared outputs for accuracy and preference • Maintained dataset consistency via project rubrics • Contributed to high-quality AI training data

During my tenure as Digital Annotation Expert at Mercor, I evaluated audio, image, and video content for use in AI training. The role involved accuracy and preference comparisons on AI-generated responses using structured project guidelines. I maintained consistency and reliability throughout all evaluation tasks assigned. • Evaluated multimedia content for AI usefulness • Compared outputs for accuracy and preference • Maintained dataset consistency via project rubrics • Contributed to high-quality AI training data

2025 - 2026

Data Annotator / AI Evaluator – RWS

OtherTextClassification

At RWS, I performed annotation and evaluation on text, image, and audio datasets to support AI development initiatives. My tasks included pairwise comparisons, labeling, and classification, with attention to accuracy and quality. Adherence to strict guidelines and standards was integral to maintaining dataset integrity. • Conducted labeling and pairwise evaluation tasks • Ensured adherence to annotation guidelines • Maintained high accuracy with critical attention to detail • Supported AI model performance and reliability

At RWS, I performed annotation and evaluation on text, image, and audio datasets to support AI development initiatives. My tasks included pairwise comparisons, labeling, and classification, with attention to accuracy and quality. Adherence to strict guidelines and standards was integral to maintaining dataset integrity. • Conducted labeling and pairwise evaluation tasks • Ensured adherence to annotation guidelines • Maintained high accuracy with critical attention to detail • Supported AI model performance and reliability

2025 - 2026

Freelance Data Annotator & Content Evaluator – Welocalize

Text

As a Freelance Data Annotator & Content Evaluator with Welocalize, I reviewed text, image, audio, and video content, including AI outputs, apps, and digital media. I identified errors and inconsistencies, delivering structured feedback to enhance quality and model performance. My evaluations contributed to the continuous improvement of data and AI training sets. • Evaluated digital and AI-generated content • Identified and documented quality issues • Provided actionable feedback for improvement • Supported enhancement of AI datasets

As a Freelance Data Annotator & Content Evaluator with Welocalize, I reviewed text, image, audio, and video content, including AI outputs, apps, and digital media. I identified errors and inconsistencies, delivering structured feedback to enhance quality and model performance. My evaluations contributed to the continuous improvement of data and AI training sets. • Evaluated digital and AI-generated content • Identified and documented quality issues • Provided actionable feedback for improvement • Supported enhancement of AI datasets

2025 - 2025

Education

Work History