Esther Gitahi

Key Skills

Software

Labelbox

Top Subject Matter

AI/Machine Learning - Image and Text Annotation

Public Health - Vaccination Data

Top Data Types

Image

Text

Top Task Types

Classification

Freelancer Overview

Language Annotation Specialist at Alignerr. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, Internal, and Proprietary Tooling. Education includes Master of Public Health, The University of Alabama (2022) and Bachelor of Public Health, The University of Alabama (2020). AI-training focus includes data types such as Image and Text and labeling workflows including Classification.

Labeling Experience

Language Annotation Specialist at Alignerr

LabelboxImageClassification

I performed language annotation tasks focused on image and text data for machine learning development. My responsibilities included labeling, validating, and improving annotation guidelines for quality assurance. I contributed to workflow optimization, resulting in a reduction of annotation time while maintaining high accuracy. • Annotated image and text data for training AI models. • Improved annotation guidelines for better accuracy. • Used Amazon SageMaker and Labelbox platforms for labeling tasks. • Automated validation processes, saving significant time.

I performed language annotation tasks focused on image and text data for machine learning development. My responsibilities included labeling, validating, and improving annotation guidelines for quality assurance. I contributed to workflow optimization, resulting in a reduction of annotation time while maintaining high accuracy. • Annotated image and text data for training AI models. • Improved annotation guidelines for better accuracy. • Used Amazon SageMaker and Labelbox platforms for labeling tasks. • Automated validation processes, saving significant time.

2024 - 2024

Data Annotator for Covid and Flu Shots Project, Disability Rights and Resources

TextClassification

As part of a Covid and Flu shots annotation project, I was responsible for labeling public health-related text data to improve dataset quality. I ensured data accuracy and collaborated with the project team to update annotation standards. My efforts led to a measurable increase in data accuracy for the project. • Labeled text data about Covid and Flu vaccinations. • Helped refine annotation guidelines for data projects. • Worked collaboratively with team members to boost accuracy. • Utilized internal proprietary tools for annotation tasks.

As part of a Covid and Flu shots annotation project, I was responsible for labeling public health-related text data to improve dataset quality. I ensured data accuracy and collaborated with the project team to update annotation standards. My efforts led to a measurable increase in data accuracy for the project. • Labeled text data about Covid and Flu vaccinations. • Helped refine annotation guidelines for data projects. • Worked collaboratively with team members to boost accuracy. • Utilized internal proprietary tools for annotation tasks.

2022 - 2024

Education

Work History