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I’m a motivated AI trainer and content evaluator with hands-on experience in data annotation, model testing, and quality review for text, image, and voice-based systems. With a background in Computer Science and a strong command of English, I focus on accuracy, clarity, and ethical AI development. Passionate about technology and continuous learning, I aim to contribute to projects that make artificial intelligence smarter and more human-centered.…I’m a motivated AI trainer and content evaluator with hands-on experience in data annotation, model testing, and quality review for text, image, and voice-based systems. With a background in Computer Science and a strong command of English, I focus on accuracy, clarity, and ethical AI development. Passionate about technology and continuous learning, I aim to contribute to projects that make artificial intelligence smarter and more human-centered.

John Gakuru Maina

AI Developer, Data Annotator, Data Analyst, +5

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I’m a motivated AI trainer and content evaluator with hands-on experience in data annotation, model testing, and quality review for text, image, and voice-based systems. With a background in Computer Science and a strong command of English, I focus on accuracy, clarity, and ethical AI development. Passionate about technology and continuous learning, I aim to contribute to projects that make artificial intelligence smarter and more human-centered.…I’m a motivated AI trainer and content evaluator with hands-on experience in data annotation, model testing, and quality review for text, image, and voice-based systems. With a background in Computer Science and a strong command of English, I focus on accuracy, clarity, and ethical AI development. Passionate about technology and continuous learning, I aim to contribute to projects that make artificial intelligence smarter and more human-centered.

Available to hire

I’m a motivated AI trainer and content evaluator with hands-on experience in data annotation, model testing, and quality review for text, image, and voice-based systems. With a background in Computer Science and a strong command of English, I focus on accuracy, clarity, and ethical AI development. Passionate about technology and continuous learning, I aim to contribute to projects that make artificial intelligence smarter and more human-centered.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Swahili

Fluent

Work Experience

Freelance AI Trainer and Evaluator at Remote

January 1, 2023 - November 6, 2025

Annotate and review data sets including text, audio, and images used to train AI models. Evaluate AI-generated outputs for accuracy, tone, and quality. Participate in rating, categorization, and content moderation tasks. Test and provide feedback on model responses to improve natural understanding.

English Tutor and Content Reviewer at Nairobi, Kenya

December 31, 2023 - December 31, 2023

Taught English communication and writing skills to students online. Reviewed and corrected written content for grammar, coherence, and readability. Built strong communication and teaching experience that supports AI language evaluation work.