Kungu Duncan
Data Annotation Specialist
Talent
NairobiMember since June 21, 2026
CVAT
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CVAT
About
Detail-oriented Data Annotation Specialist with 3+ years of experience delivering high-quality labeled datasets for machine learning and computer vision applications. Skilled in image and video annotation using CVAT and similar tools. Proven track record of achieving over 98% annotation accuracy while meeting tight deadlines in fast-paced remote environments.
Experience
Data Annotation Specialist - Remotask - Remote
(2023-01)
- Annotated 120,000+ images and video frames for object detection and segmentation projects.
- Achieved and maintained 98–99% annotation accuracy, consistently exceeding quality benchmarks.
- Reduced annotation errors by 25% through rigorous quality control and guideline adherence.
- Completed tasks 15% faster than average turnaround time, meeting all project deadlines.
- Collaborated with distributed teams of annotators, reviewers, and project managers across multiple projects.
- Performed preprocessing tasks including resizing, formatting, and dataset organization.
AI Data Annotator / Contributor - Outlier - Remote
(2022-06 - 2022-12)
- Labeled and validated 50,000+ data samples for AI model training and evaluation.
- Conducted peer reviews, improving overall dataset quality scores by 20%.
- Maintained consistent adherence to annotation guidelines, ensuring uniform labeling across datasets.
- Assisted in optimizing workflows, reducing annotation time per task by 10–15%.
- Delivered high-quality outputs within strict deadlines across multiple concurrent projects.
Education
Bachelor of Science - Actuarial Science - Jomo Kenyatta University of Agriculture and Technology (JKUAT)
Skills
Data Annotation Specialist
