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Martha Gitau

@marthagitau

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Freelance data annotator and content reviewer delivering accurate, reliable AI training and creative content.

United States

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What I'm looking for

I seek freelance or contract roles where I can apply precise annotation and moderation skills, contribute to AI training quality, and create engaging written content in supportive, flexible environments.

I am a detail-oriented freelance data annotator, content reviewer, and creative writer with a strong track record of delivering high-quality work on deadline.

I have labeled and categorized large text, image, and audio datasets for machine learning, applied strict annotation guidelines, and performed quality checks to improve dataset reliability.

As a content reviewer and moderator, I evaluate user-generated content for compliance with platform policies, flag inappropriate material, and handle sensitive information with confidentiality.

I also produce SEO-friendly blog posts, social captions, product descriptions, and edited copy across lifestyle, wellness, beauty, and home niches, adapting tone to client brand voices.

Experience

Work history, roles, and key accomplishments

Current

Freelance Data Annotator

Current

Freelance

Jan 2023 - Present (3 years 2 months)

Labelled and categorized large text, image, and audio datasets for AI training, applied detailed guidelines to ensure high annotation accuracy, and performed quality checks to improve dataset reliability while meeting tight deadlines.

Data Annotation Data Labeling Quality Assurance Audio Transcription Time Management

Current

Content Reviewer

Current

Freelance

Jan 2023 - Present (3 years 2 months)

Reviewed user-generated content for compliance with platform policies, flagged inappropriate or harmful material, and ensured content quality and relevance while maintaining confidentiality.

Content Moderation Compliance Policies Risk Assessment Quality Assurance Google Workspace Confidentiality

Current

Creative Writer

Current

Freelance

Jan 2022 - Present (4 years 2 months)

Wrote SEO-friendly blog posts, social captions, product descriptions, and short articles across lifestyle and wellness niches; edited and adapted content to match client brand voice and improve readability.