Hannah Wanjiru

Key Skills

Software

Data Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

Image

Top Label Types

Segmentation

Freelancer Overview

I am a detail-oriented freelancer with hands-on experience in AI data annotation and labeling, specializing in text classification, sentiment analysis, and image tagging. My background in computer science and strong analytical skills enable me to follow complex annotation guidelines and deliver high-quality, accurate datasets essential for training AI models. I am proficient in using tools like Microsoft Excel and Google Sheets for data validation and quality assurance, and I am comfortable working with large datasets across various domains. My commitment to precision, time management, and continuous learning ensures I consistently meet project targets while maintaining high standards of data integrity.

Labeling Experience

AI DATA ANNOTATION

Data Annotation TechImageSegmentation

The project involved developing and improving artificial intelligence systems through accurate data annotation and labeling. The primary objective was to prepare high-quality datasets that could be used to train machine learning models for better recognition, prediction, and decision-making. The work focused on ensuring that the labeled data was structured, consistent, and suitable for use in AI model training and evaluation.

The project involved developing and improving artificial intelligence systems through accurate data annotation and labeling. The primary objective was to prepare high-quality datasets that could be used to train machine learning models for better recognition, prediction, and decision-making. The work focused on ensuring that the labeled data was structured, consistent, and suitable for use in AI model training and evaluation.

2023 - 2025

Education

Work History