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Yustina Mayunga

Data Annotator

TANZANIA flag
Dar es Salaam, Tanzania
$20.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

AI Model Training

Top Data Types

TextText
DocumentDocument

Top Task Types

Classification

Freelancer Overview

Data Annotator – Outlier (Aether Project). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Master of Science, Redeemer’s University (2024) and Bachelor of Science, University of Dar es Salaam (2021). AI-training focus includes data types such as Text and labeling workflows including Classification.

Entry LevelEnglishSwahili

Labeling Experience

Data Annotator – Outlier (Aether Project)

OtherTextClassification
As a Data Annotator on the Aether Project, I performed high-quality text annotation and labeling for AI model training. My responsibilities involved following detailed annotation guidelines to ensure accuracy, consistency, and completeness in the annotated datasets. I contributed actively to both data quality assurance and the continuous improvement of project workflows. • Reviewed and validated complex datasets for alignment with project objectives. • Identified and flagged ambiguities and inconsistencies during the annotation process. • Adapted quickly to evolving requirements and guidelines. • Played a key role in enhancing model performance through precise labeling.

As a Data Annotator on the Aether Project, I performed high-quality text annotation and labeling for AI model training. My responsibilities involved following detailed annotation guidelines to ensure accuracy, consistency, and completeness in the annotated datasets. I contributed actively to both data quality assurance and the continuous improvement of project workflows. • Reviewed and validated complex datasets for alignment with project objectives. • Identified and flagged ambiguities and inconsistencies during the annotation process. • Adapted quickly to evolving requirements and guidelines. • Played a key role in enhancing model performance through precise labeling.

2026 - Present

Education

R

Redeemer’s University

Master of Science, Molecular Biology and Genomics

Master of Science
2022 - 2024
U

University of Dar es Salaam

Bachelor of Science, Molecular Biology and Biotechnology

Bachelor of Science
2018 - 2021

Work History

G

Government Chemist Laboratory Authority

Chemist II

Dar es Salaam
2025 - Present
I

Ifakara Health Institute

Field Interviewer

Dar es Salaam
2025 - 2025