Esther S.

Key Skills

Software

Appen

CloudFactory

OneForma

Sama

Top Subject Matter

E-commerce – online retail, product catalogs, and customer interactions

Retail – product information, inventory, and sales data

Healthcare – medical records and health data

Top Data Types

Image

Text

Document

Top Task Types

Polygon

Segmentation

Bounding Box

Classification

Question Answering

Text Summarization

Freelancer Overview

Detail-oriented AI Data Specialist and Computer Science professional with hands-on experience in AI data annotation, content evaluation, quality assurance, and remote digital operations. Fluent in both Swahili and English with strong analytical, communication, and problem-solving skills. Experienced in annotating and labeling datasets across text, image, and audio formats while maintaining high levels of accuracy, consistency, and confidentiality. Skilled in evaluating AI-generated outputs, following complex annotation guidelines, and supporting AI model improvement projects in remote environments. Combines practical AI training experience with a strong ICT and digital systems background, making me highly capable in data annotation, data evaluation, AI training support, quality assurance, and structured digital workflows.

Labeling Experience

Data Annotator

DocumentQuestion Answering

• Performed quality assurance and validation tasks to maintain high annotation accuracy and consistency.

2021 - 2023

Digital Annotation & AI Data Specialist

ImagePolygon

• Annotated and labeled datasets across text, image, and audio formats according to detailed project guidelines.

2022 - 2022

Education

Work History