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O

Ochieng C.

AI Data Annotation Contributor

Kenya flagNAIROBI, Kenya

Key Skills

Software

Other

Top Subject Matter

Image-Text Association
Machine Learning
Multilingual Content

Top Data Types

ImageImage
TextText

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Annotation Contributor. Core strengths include Other. Education includes Master of Science, Jomo Kenyatta University of Agriculture and Technology (2024) and Doctor of Philosophy, Jomo Kenyatta University of Agriculture and Technology (2024). AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

International Data Annotation Contributor

OtherTextTextClassificationClassification

Assisted with multilingual content verification and data labeling tasks for Handshake. Reviewed and flagged duplicate or low-quality annotation outputs to enhance dataset effectiveness. Contributed to the preparation of diverse AI datasets for international projects. • Labeled multilingual text data for AI training • Validated annotation accuracy and consistency • Used online/internal annotation systems • Participated in cross-cultural dataset quality review

2022 - Present

AI Data Annotation Contributor

OtherImageImage

Performed AI training data annotation and quality review tasks for Outlier AI. Evaluated and corrected text-image associations to ensure data quality and accuracy. Followed detailed project guidelines to maintain annotation consistency and high standards. • Conducted browser-based image-text annotation • Maintained rigorous data quality controls • Performed evaluations using proprietary tools • Supported training dataset preparation for machine learning

2022 - Present

Freelance AI Annotation & Research Support

OtherTextText

Provided freelance AI annotation and research support focused on text data. Rewrote captions and validated content in English and African languages to support accurate AI training. Conducted dataset validation and quality assurance for academic and commercial projects. • Performed data verification for language models • Ensured context preservation during localization • Supported academic data annotation initiatives • Conducted quality checks on multilingual text datasets

2021 - Present

Education

J

Jomo Kenyatta University of Agriculture and Technology

Master of Science, Data Science

Master of Science
2022 - 2024
J

Jomo Kenyatta University of Agriculture and Technology

Doctor of Philosophy, Data Science

Doctor of Philosophy
2024

Work History

H

handshake

data collection specialist

NAIROBI
2026 - Present