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C
Charles O.

Charles O.

AI Data Specialist / Annotator

Kenya flagNairobi, Kenya

Key Skills

Software

Other

Top Subject Matter

AI dataset annotation/ Data labeling
Software and Technical support
Information Technology/Computer Science

Top Data Types

ImageImage
VideoVideo

Top Task Types

ClassificationClassification
Evaluation/RatingEvaluation/Rating

Freelancer Overview

I am a detail oriented Informatics and Computer Science graduate with hands on experience as an AI Data Specialist / Annotator at RWS. I have proven track record in data annotation and labeling projects including content tagging, object labeling and complex pairwise comparisons across various media formats like image, video and text at scale with RWS. Combining my strong foundation from my Bchelor of Science in Informatics and Computer Science, i am dedicated to delivering accurate and high quality datasets in accordance to strict workflow guidelines.

Labeling Experience

AI Data Specialist / Annotator (RWS)

ImageImageClassificationClassification

Collected and reviewed datasets for annotation and annotation-related quality checks. Tagged and labeled objects across multiple content types including images, audio, and video. Performed pairwise comparisons and counting tasks to support dataset labeling consistency and accuracy. Applied labeling guidelines for consistent categorization of objects. Documented labeled outputs to enable downstream use in AI training.

2025 - 2026

Education

S

Strathmore University

Bachelor of Science, Informatics and Computer Science

Bachelor of Science
2021 - 2025
C

Chemelil Sugar Academy

Kenya Certificate of Secondary Education, Secondary Education

Kenya Certificate of Secondary Education
2017 - 2021

Work History

K

Kenya Academy of Sports

IT Volunteer

Nairobi
2025 - 2025
K

Kenya Medical Research Institute

IT Attachee

Kisumu
2024 - 2024