Willkins Moriasi

Key Skills

Software

iMerit

Mindrift

OneForma

Remotasks

Sama

Top Subject Matter

No subject matter listed

Top Data Types

Image

Text

Video

Top Task Types

Action Recognition

Bounding Box

Classification

Cuboid

Evaluation Rating

Object Detection

Polygon

Polyline

Prompt Response Writing SFT

Segmentation

Text Generation

Freelancer Overview

I am a detail-oriented data annotator with extensive hands-on experience in data labeling, content moderation, and quality assurance for AI and machine learning projects. My expertise includes using industry-standard tools such as CVAT, Labelbox, SuperAnnotate, Amazon SageMaker Ground Truth, and Hive Data to deliver high-quality, accurately labeled datasets that enhance model performance. I have a strong track record in optimizing annotation workflows, ensuring data compliance, and identifying patterns and anomalies to improve AI training data. My background also includes leading teams in data governance and maintaining rigorous quality standards under tight deadlines. I am well-versed in data privacy, annotation policies, and thrive in both remote and on-site collaborative environments.

Labeling Experience

AI Trainer/Annotator

SamaTextClassification

As an AI Trainer/Annotator at Samasource Kenya, I performed data labeling and content categorization to support the improvement of machine learning models. My role included moderating user-generated content, verifying data inputs, and assisting with data quality assurance. I regularly identified potential data anomalies and enforced company guidelines on annotation standards. • Labeled and categorized user data for machine learning purposes. • Moderated and classified user-generated content to ensure policy compliance. • Verified accuracy of data inputs and supported data analysis routines. • Ensured quality assurance and identified issues in annotated data.

As an AI Trainer/Annotator at Samasource Kenya, I performed data labeling and content categorization to support the improvement of machine learning models. My role included moderating user-generated content, verifying data inputs, and assisting with data quality assurance. I regularly identified potential data anomalies and enforced company guidelines on annotation standards. • Labeled and categorized user data for machine learning purposes. • Moderated and classified user-generated content to ensure policy compliance. • Verified accuracy of data inputs and supported data analysis routines. • Ensured quality assurance and identified issues in annotated data.

2016 - 2025

Education

Work History