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DENIS MBUTHIA

DENIS MBUTHIA

Data Annotator | AI Tutor

Technology / Internet

Nairobi, Nairobi Area

Social

Services offered

Experienced AI Data Annotator, Reviewer, and Quality Auditor with over 8 years of hands-on experience supporting computer vision, robotics, and autonomous systems. Proven expertise in semantic segmentation, LiDAR annotation, image and video labeling, and final-stage quality assurance for large-scale AI training datasets.

Currently working on robotics perception projects and as a Freelance AI Tutor, evaluating and improving AI-generated coding solutions for technical accuracy, clarity, and real-world usability. Strong background in AI model evaluation, dataset quality control, and multilingual AI development, with professional experience supporting English and Swahili language models.

Detail-oriented, quality-driven, and highly adaptable, with a deep understanding of annotation workflows, reviewer auditing, and AI training pipelines across multiple platforms.

Data reviewer
Ai tutor
Quality auditor
Ai data annotator
Approximate rate: KSh 500 per hour

Experience

Experienced AI Data Annotator, Reviewer, and Quality Auditor with over 8 years of hands-on experience supporting computer vision, robotics, and autonomous systems. Proven expertise in semantic segmentation, LiDAR annotation, image and video labeling, and final-stage quality assurance for large-scale AI training datasets. 

Currently working on robotics perception projects and as a Freelance AI Tutor, evaluating and improving AI-generated coding solutions for technical accuracy, clarity, and real-world usability. Strong background in AI model evaluation, dataset quality control, and multilingual AI development, with professional experience supporting English and Swahili language models. 

Education

I'm a graduate with a BSc in Computer Science, attained second class upper division, at Egerton University, Kenya.

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