Said Kalimbo

AI Data Annotator and Content Evaluator with 2+ years of hands-on experience in AI data annotation, text classification, multimedia content review, AI-generated content evaluation, linguistic quality assurance, and NLP/Generative AI assessment. Experienced in reviewing English and Swahili data, identifying errors and hallucinations, applying detailed annotation guidelines, and maintaining high-quality standards. Demonstrated ability to review 3,000+ AI-generated samples with a 98%+ internal accuracy score.

Strong attention to detail, analytical thinking, independent remote-work capability, and proficiency with Excel and digital collaboration tools.

Native

Swahili speaker with professional English proficiency.

AI Data Annotation & AI Content Evaluation Projects - Self-Directed / Open University of Kenya

(2023-01)

• Annotated and evaluated 3,000+ English and Swahili AI-generated samples across text and multimedia content.
• Performed text classification, content categorization, sentiment/intent analysis, tagging, and quality evaluation according to defined guidelines.
• Evaluated AI-generated responses for accuracy, relevance, linguistic quality, hallucinations, translation errors, and other output defects.
• Reviewed and corrected English–Swahili translation errors, mistranslations, and cultural/linguistic issues in AI/NMT outputs.
• Conducted detailed error analysis and peer validation while maintaining a 98%+ internal accuracy score.
• Applied strict annotation guidelines, quality standards, and escalation procedures consistently across assigned tasks.
• Reviewed video-related and multimedia content for relevance, classification, and quality.
• Used Microsoft Excel to track annotation volumes, errors, quality metrics, and task completion.
• Worked independently in remote workflows and consistently met assigned deadlines and quality requirements.
• Provided clear written feedback to support improvement of AI-generated content and dataset quality.

Bachelor of Science - Cyber Security & Digital Forensics - Open University of Kenya (2023-01 - 2026-12)

Diploma - Criminology - Kenya Institute of Security and Criminal Justice (2020-01 - 2022-12)