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Nickson Bitok

Nickson Bitok

Data Annotator – CloudFactory

Bahrain flagmanama, Bahrain
$15.00/hrExpertDoccanoLabelboxCloudfactory

Key Skills

Software

DoccanoDoccano
LabelboxLabelbox
CloudFactoryCloudFactory

Top Subject Matter

Machine Learning/Artificial Intelligence
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

ImageImage
VideoVideo
TextText
DocumentDocument

Top Task Types

Bounding Box
Segmentation
Classification

Freelancer Overview

Data Annotator – CloudFactory. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include RectLabel, Doccano, and Labelbox. Education includes Certificate, Coursera (2025) and Diploma, Cooperative University of Kenya – Main Campus (2019). AI-training focus includes data types such as Image, Video, and Text and labeling workflows including Bounding Box, Segmentation, and Classification.

ExpertEnglishSwahili

Labeling Experience

Data Annotator – CloudFactory

ImageBounding BoxSegmentation
As a Data Annotator at CloudFactory, I labeled and annotated image, text, and video data for machine learning models. I maintained high standards of accuracy by conducting thorough quality checks and adhering to project guidelines. I collaborated closely with teams to ensure timely delivery and improved annotation quality through feedback. • Utilized tools such as RectLabel, Doccano, and Labelbox for diverse data types. • Focused on bounding box annotation, semantic segmentation, and data classification. • Provided actionable feedback to refine guidelines and handle edge cases. • Enhanced dataset consistency to support superior AI model training.

As a Data Annotator at CloudFactory, I labeled and annotated image, text, and video data for machine learning models. I maintained high standards of accuracy by conducting thorough quality checks and adhering to project guidelines. I collaborated closely with teams to ensure timely delivery and improved annotation quality through feedback. • Utilized tools such as RectLabel, Doccano, and Labelbox for diverse data types. • Focused on bounding box annotation, semantic segmentation, and data classification. • Provided actionable feedback to refine guidelines and handle edge cases. • Enhanced dataset consistency to support superior AI model training.

2023 - Present

Education

C

Coursera

Certificate, Google IT SUPPORT

Certificate
2025 - 2026
C

Cooperative University of Kenya – Main Campus

Diploma, Business Information Technology

Diploma
2017 - 2019

Work History

C

CloudFactory

Data annotator

Location not specified
2023 - Present