Stansfeld L.

Key Skills

Software

Don't disclose

Other

Appen

Top Subject Matter

Software documentation evaluation

AI-generated content quality assurance

Natural language processing

Top Data Types

Document

Text

Image

Top Task Types

Data Collection

Classification

Freelancer Overview

Visual Content Reviewer & Data Quality Analyst (Data Annotation Tech). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Appen. Education includes Bachelor of Arts, University of Mary Hardin-Baylor (2010). AI-training focus includes data types such as Image and Document and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Visual Content Reviewer & Data Quality Analyst (Data Annotation Tech)

Image

Provided high-volume visual content review and data quality assessment against structured multi-page annotation guidelines. Applied consistent judgment to classify visual content across object detection, scene understanding, image sentiment, and harmful content flagging categories. Participated in onboarding calibration and recurring training modules to maintain alignment with evolving project standards. • Reviewed 500+ image-based tasks per week with accuracy consistently above 97% • Integrated weekly calibration feedback from quality leads and tracked improvements on dashboards • Wrote audit-ready rationales for complex or edge-case decisions • Collaborated asynchronously with remote teams using Slack, Notion, and proprietary labeling tools

2021 - Present

Image Moderation Specialist (Appen)

AppenImageClassification

Performed image moderation by reviewing and categorizing user-generated visual content according to platform-specific community standards and content policies. Used internal dashboards and proprietary tools to process image queues, escalate borderline cases, and measure accuracy, throughput, and inter-annotator agreement. Contributed to calibration sessions aimed at reducing label variance and improving consistency across reviewers. • Processed large image volumes daily for global technology clients • Tracked performance metrics including accuracy, throughput, and agreement scores • Participated in calibration that improved team inter-annotator agreement by 12% over six months • Maintained structured daily logs with edge cases and decision rationales

2018 - 2020

Administrative & Content Coordinator (Central Texas College)

OtherDocumentData Collection

Supported quality assurance for digital content submissions by auditing visual assets and compliance requirements across departmental systems. Documented systematic discrepancies and produced actionable reports to prevent recurring processing errors. Coordinated with leads to clarify ambiguous guidelines and write down final decisions for future reference. • Audited digital content submissions and visual assets for accuracy • Produced discrepancy reports that reduced processing errors by 18% over one academic year • Wrote documentation of final decisions for ambiguous guidelines • Adapted to internal platform updates with minimal workflow disruption

2015 - 2018

Administrative Support Specialist (U.S. Army / DoD Contractor Support)

OtherDocument

Performed structured review and quality checks on documentation and digital records in a fast-paced institutional environment. Followed multi-step checklists and standard operating procedures to ensure consistent, high-quality outputs. Documented decisions, flagged discrepancies, and coordinated resolutions while handling sensitive materials with discretion. • Conducted high-volume processing and review of digital records • Ensured accuracy, completeness, and compliance with procedural guidelines • Applied structured criteria for consistent decision-making • Communicated and documented discrepancies and resolutions across teams

2010 - 2015

Education

Work History