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H

Hannah Washignton

Freelance Data Annotation Specialist

USA flagN/A, Usa
$12.00/hrIntermediate

Key Skills

Software

No software listed

Top Subject Matter

AI Model Training and Data Quality
Machine Learning Research Data Preparation

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification

Freelancer Overview

Freelance Data Annotation Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, University of California, Berkeley (2021) and High School Diploma, Sage Creek High School (2016). AI-training focus includes data types such as Text and labeling workflows including Classification.

IntermediateEnglish

Labeling Experience

Freelance Data Annotation Specialist

TextClassification
As a Freelance Data Annotation Specialist at Outlier, I labeled and annotated diverse text, image, and audio datasets to support AI model training initiatives. My role focused on ensuring data quality, consistency, and compliance with strict project guidelines. I collaborated closely with technical teams to document edge cases and enhance annotation workflows. • Accurately labeled various data types including text, images, and audio files. • Maintained rigorous quality assurance standards and met project deadlines. • Utilized annotation tools and documented complex edge cases. • Worked collaboratively with project managers and engineers in a remote setting.

As a Freelance Data Annotation Specialist at Outlier, I labeled and annotated diverse text, image, and audio datasets to support AI model training initiatives. My role focused on ensuring data quality, consistency, and compliance with strict project guidelines. I collaborated closely with technical teams to document edge cases and enhance annotation workflows. • Accurately labeled various data types including text, images, and audio files. • Maintained rigorous quality assurance standards and met project deadlines. • Utilized annotation tools and documented complex edge cases. • Worked collaboratively with project managers and engineers in a remote setting.

2024 - 2025

Project Assistant – UC Berkeley, Computer Science Department

TextClassification
At UC Berkeley's Computer Science Department, I prepared and annotated datasets for machine learning research projects. I participated in streamlining project workflows and supporting the process improvement of AI data preparation. My responsibilities included ensuring accurate dataset labeling and collaborating with faculty and peers. • Managed dataset preparation for supervised learning research tasks. • Conducted text and image annotation under academic guidelines. • Helped improve annotation and data validation processes. • Presented technical updates in meetings and formal reports.

At UC Berkeley's Computer Science Department, I prepared and annotated datasets for machine learning research projects. I participated in streamlining project workflows and supporting the process improvement of AI data preparation. My responsibilities included ensuring accurate dataset labeling and collaborating with faculty and peers. • Managed dataset preparation for supervised learning research tasks. • Conducted text and image annotation under academic guidelines. • Helped improve annotation and data validation processes. • Presented technical updates in meetings and formal reports.

2021 - 2022

Education

U

University of California, Berkeley

Bachelor of Science, Computer Science

Bachelor of Science
2017 - 2021
S

Sage Creek High School

High School Diploma, General Education

High School Diploma
2012 - 2016

Work History

O

Outlier

OUTLIER

REMOTE
2024 - 2025
C

Common Objects Company

Software Engineer

N/A
2022 - 2024