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Kiptoo Denis

Kiptoo Denis

Data Annotation Specialist

Kenya flagNairobi, Kenya
$50.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

General AI/ML

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotation Specialist. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Chuka University (2021) and Kenya Certificate of Secondary Education, Kapsimbeiywo Secondary School (2016). AI-training focus includes data types such as Text, Image, and Document and labeling workflows including Classification.

IntermediateEnglishSwahili

Labeling Experience

Data Annotation Specialist

OtherTextClassification
As a Data Annotation Specialist, I performed data labeling and annotation for datasets used in machine learning and AI training. My work included annotating text, image, and structured datasets to improve AI model accuracy and data training quality. I consistently followed strict data quality and labeling guidelines set out for AI development projects. • Labeled and annotated large volumes of diverse data types, including text and images. • Ensured that all data met high standards of quality and accuracy for AI models. • Utilized annotation tools to manage and process dataset requirements efficiently. • Regularly reviewed and verified labeling work for consistency and compliance.

As a Data Annotation Specialist, I performed data labeling and annotation for datasets used in machine learning and AI training. My work included annotating text, image, and structured datasets to improve AI model accuracy and data training quality. I consistently followed strict data quality and labeling guidelines set out for AI development projects. • Labeled and annotated large volumes of diverse data types, including text and images. • Ensured that all data met high standards of quality and accuracy for AI models. • Utilized annotation tools to manage and process dataset requirements efficiently. • Regularly reviewed and verified labeling work for consistency and compliance.

2025 - 2026

Education

C

Chuka University

Bachelor of Science, Food Science and Technology

Bachelor of Science
2017 - 2021
K

Kapsimbeiywo Secondary School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2013 - 2016

Work History

N

Nabo Capital

Customer Experience & Automation Specialist

Nairobi
2025 - Present
F

Freelance

Academic & Technical Research Writer

Remote
2022 - 2026