Esther Njuguna

Key Skills

Software

CloudFactory

Top Subject Matter

General Machine Learning

Customer Service

Regulatory Compliance & Risk Analysis

Top Data Types

Text

Image

Document

Top Task Types

Classification

Freelancer Overview

AI Trainer / Data Annotator. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CloudFactory. Education includes Bachelor of Library and Information Science, Makerere University. AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

AI Trainer / Data Annotator

CloudfactoryTextClassification

I performed high-quality data annotation and labeling work on diverse datasets, including text, image, and audio. My responsibilities included reviewing, validating, and ensuring the accuracy of annotated data to support machine learning projects. Quality assurance, error detection, and compliance with annotation guidelines were integral to my role. • Managed and annotated large-scale text, image, and audio datasets. • Conducted data validation and adhered to strict accuracy standards. • Identified inconsistencies and performed QA checks. • Improved annotation guidelines through detailed feedback and workflow optimization.

I performed high-quality data annotation and labeling work on diverse datasets, including text, image, and audio. My responsibilities included reviewing, validating, and ensuring the accuracy of annotated data to support machine learning projects. Quality assurance, error detection, and compliance with annotation guidelines were integral to my role. • Managed and annotated large-scale text, image, and audio datasets. • Conducted data validation and adhered to strict accuracy standards. • Identified inconsistencies and performed QA checks. • Improved annotation guidelines through detailed feedback and workflow optimization.

2021 - 2024

Education

Work History