Mercy Nyambura

Key Skills

Software

CVAT

Mercor

Top Subject Matter

No subject matter listed

Top Data Types

Image

Top Label Types

Classification

Bounding Box

Entity Ner Classification

Segmentation

Freelancer Overview

I am a detail-oriented AI Operations & Support Generalist with hands-on experience in data annotation, labeling, and quality assurance for AI training data. My work involves evaluating and ranking AI-generated responses, annotating diverse datasets, and ensuring strict adherence to project guidelines and data privacy standards. I excel at identifying errors, bias, and inconsistencies in AI outputs, contributing to the continuous improvement of AI models. My ability to quickly adapt to new tools and workflows, combined with a strong commitment to accuracy and confidentiality, enables me to deliver high-quality results in remote, high-volume environments. I am passionate about supporting AI development through meticulous human-in-the-loop processes and am well-suited for both short-term and long-term data-focused projects.

Labeling Experience

Object Detection Annotation for Computer Vision

MercorImageBounding BoxEntity Ner Classification

Annotated diverse image datasets for object detection and recognition machine learning models. Created precise bounding boxes around multiple object categories including people,vehicles,products and everyday item. Processed datasets containing 5,000+ images while maintaining 95% accuracy rate.

Annotated diverse image datasets for object detection and recognition machine learning models. Created precise bounding boxes around multiple object categories including people,vehicles,products and everyday item. Processed datasets containing 5,000+ images while maintaining 95% accuracy rate.

2025

AI Data Annotator / Training Specialist

CVATImageClassification

As an AI Data Annotator, I performed image classification and visual tagging to support machine learning projects. Thousands of images were labeled with precision to maintain consistent categorization across diverse datasets. I worked with bounding box annotations to aid object detection models, improving tracking and recognition capabilities. Collaborating with quality assurance teams, I ensured adherence to project guidelines and improved annotation processes.• Applied visual tags for image classification • Created precise bounding box annotations • Maintained consistency in labeling standards • Facilitated tracking and recognition tasks through accurate annotations.

As an AI Data Annotator, I performed image classification and visual tagging to support machine learning projects. Thousands of images were labeled with precision to maintain consistent categorization across diverse datasets. I worked with bounding box annotations to aid object detection models, improving tracking and recognition capabilities. Collaborating with quality assurance teams, I ensured adherence to project guidelines and improved annotation processes.• Applied visual tags for image classification • Created precise bounding box annotations • Maintained consistency in labeling standards • Facilitated tracking and recognition tasks through accurate annotations.

2025 - 2025

Education

Work History