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I am a Data Annotation Specialist based in Nairobi, Kenya, working as a freelancer on AI and machine-learning projects. I annotate text, image, and document datasets, following project-specific guidelines to ensure accurate labeling and data quality. In my freelance role, I maintain rigorous attention to detail and work efficiently to meet deadlines. I also protect confidential information throughout project execution. I review and correct annotation errors to improve dataset quality, perform quality assurance checks before submission, and maintain high annotation accuracy while meeting productivity targets. I work independently on multiple annotation tasks with minimal supervision, and I am committed to continuous learning and improving processes in data labeling for AI and ML projects.…I am a Data Annotation Specialist based in Nairobi, Kenya, working as a freelancer on AI and machine-learning projects. I annotate text, image, and document datasets, following project-specific guidelines to ensure accurate labeling and data quality. In my freelance role, I maintain rigorous attention to detail and work efficiently to meet deadlines. I also protect confidential information throughout project execution. I review and correct annotation errors to improve dataset quality, perform quality assurance checks before submission, and maintain high annotation accuracy while meeting productivity targets. I work independently on multiple annotation tasks with minimal supervision, and I am committed to continuous learning and improving processes in data labeling for AI and ML projects.

Wesley Gathu

Data Annotator, Data Analyst, Data Scientist, +4

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I am a Data Annotation Specialist based in Nairobi, Kenya, working as a freelancer on AI and machine-learning projects. I annotate text, image, and document datasets, following project-specific guidelines to ensure accurate labeling and data quality. In my freelance role, I maintain rigorous attention to detail and work efficiently to meet deadlines. I also protect confidential information throughout project execution. I review and correct annotation errors to improve dataset quality, perform quality assurance checks before submission, and maintain high annotation accuracy while meeting productivity targets. I work independently on multiple annotation tasks with minimal supervision, and I am committed to continuous learning and improving processes in data labeling for AI and ML projects.…I am a Data Annotation Specialist based in Nairobi, Kenya, working as a freelancer on AI and machine-learning projects. I annotate text, image, and document datasets, following project-specific guidelines to ensure accurate labeling and data quality. In my freelance role, I maintain rigorous attention to detail and work efficiently to meet deadlines. I also protect confidential information throughout project execution. I review and correct annotation errors to improve dataset quality, perform quality assurance checks before submission, and maintain high annotation accuracy while meeting productivity targets. I work independently on multiple annotation tasks with minimal supervision, and I am committed to continuous learning and improving processes in data labeling for AI and ML projects.

Available to hire

I am a Data Annotation Specialist based in Nairobi, Kenya, working as a freelancer on AI and machine-learning projects. I annotate text, image, and document datasets, following project-specific guidelines to ensure accurate labeling and data quality. In my freelance role, I maintain rigorous attention to detail and work efficiently to meet deadlines. I also protect confidential information throughout project execution.

I review and correct annotation errors to improve dataset quality, perform quality assurance checks before submission, and maintain high annotation accuracy while meeting productivity targets. I work independently on multiple annotation tasks with minimal supervision, and I am committed to continuous learning and improving processes in data labeling for AI and ML projects.

Skills

AI Data Labelling

Microsoft Excel

Experience Level

AI Data Labelling

Expert

Microsoft Excel

Intermediate

Language

English

Fluent

Swahili

Advanced

Work Experience

Data Annotation Specialist (Freelance) at Self-employed / Freelance

January 1, 2024 - February 1, 2026

Annotated text, image, and document datasets for AI/ML projects, following project-specific guidelines and taxonomy. Reviewed and corrected annotation errors to improve dataset quality. Performed quality assurance checks before submission. Maintained high annotation accuracy while meeting productivity targets. Worked independently on multiple annotation tasks with minimal supervision. Protected confidential and sensitive information throughout project execution.

Data Annotation Specialist at Freelance

January 1, 2024 - February 1, 2026

Annotated text, image, and document data sets for AI and machine learning projects. Classified data according to project-specific guidelines. Reviewed and corrected annotation errors to improve dataset quality. Performed quality assurance checks before submission. Maintained high annotation accuracy while meeting productivity targets. Worked independently on multiple annotation tasks with minimal supervision. Protected confidential and sensitive information throughout project execution.