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Jestina Komba

Jestina Komba

AI Training Specialist & Data Contributor

TANZANIA flag
Njombe, Tanzania
$4.00/hrExpertOneformaClickworkerData Annotation Tech

Key Skills

Software

OneFormaOneForma
ClickworkerClickworker
Data Annotation TechData Annotation Tech
MindriftMindrift
TolokaToloka
TelusTelus
RoboflowRoboflow

Top Subject Matter

Swahili AI/LLM Language Models
Environmental and Audio Data Collection

Top Data Types

TextText
AudioAudio
DocumentDocument

Top Task Types

Data Collection

Freelancer Overview

AI Training Specialist & Data Contributor. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include OneForma and Other. Education includes Bachelor of Science, Mzumbe University (2020). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Data Collection.

ExpertSwahiliEnglish

Labeling Experience

OneForma

AI Training Specialist & Data Contributor

OneformaText
As an AI Training Specialist and Data Contributor, I performed comparative analysis of AI-generated Swahili text to improve language models. I evaluated the accuracy of audio transcription and annotated datasets for training machine learning algorithms. I consistently maintained high-quality standards by adhering to detailed project guidelines. • Conducted side-by-side model ranking and evaluation for AI-generated responses in Swahili and English. • Evaluated and verified audio and text transcription data for linguistic accuracy and cultural nuance. • Annotated search relevance and sentiment datasets for Natural Language Processing models. • Worked with remote global teams using proprietary platforms including OneForma and Toloka.

As an AI Training Specialist and Data Contributor, I performed comparative analysis of AI-generated Swahili text to improve language models. I evaluated the accuracy of audio transcription and annotated datasets for training machine learning algorithms. I consistently maintained high-quality standards by adhering to detailed project guidelines. • Conducted side-by-side model ranking and evaluation for AI-generated responses in Swahili and English. • Evaluated and verified audio and text transcription data for linguistic accuracy and cultural nuance. • Annotated search relevance and sentiment datasets for Natural Language Processing models. • Worked with remote global teams using proprietary platforms including OneForma and Toloka.

2025 - Present

Data Collection Contributor

OtherAudioData Collection
At Silencio Network, I contributed to environmental and audio data gathering initiatives through mobile applications. I ensured rigorous technical and geographic quality controls when uploading field recordings. I maintained careful process documentation to support seamless cross-platform data integration. • Utilized smartphone applications for localized data collection and uploads. • Performed quality assurance on all submitted audio and environmental datasets. • Reported technical issues and collaborated with remote data teams. • Supported ongoing improvements to mobile and web data synchronization workflows.

At Silencio Network, I contributed to environmental and audio data gathering initiatives through mobile applications. I ensured rigorous technical and geographic quality controls when uploading field recordings. I maintained careful process documentation to support seamless cross-platform data integration. • Utilized smartphone applications for localized data collection and uploads. • Performed quality assurance on all submitted audio and environmental datasets. • Reported technical issues and collaborated with remote data teams. • Supported ongoing improvements to mobile and web data synchronization workflows.

2026 - 2026

Education

M

Mzumbe University

Bachelor of Science, Information and Communication Technology with Management

Bachelor of Science
2017 - 2020

Work History

O

Option Group Limited

IT Consultant

Njombe
2021 - 2025