Available to hire
I’m Samuel, a Data Annotation & QA Specialist with 5+ years of experience working on image, video, text, and LiDAR datasets. I focus on delivering accurate, consistent annotations and strong QA to make sure data is reliable for AI training.
I’ve worked across different annotation and platform roles in fast-paced remote teams, mainly in autonomous driving and AI projects. I’m comfortable following strict guidelines, spotting edge cases, and making sure quality stays high while meeting deadlines.
Experience Level
Language
English
Fluent
Work Experience
Delivery Project Assistant at Cloud Factory
April 20, 2024 - April 20, 2024Coordinated small-scale annotation projects to meet client deadlines and quality standards. Assisted annotators in resolving workflow and labeling issues to improve output consistency. Tracked progress and communicated project updates to remote team leads. Supported data set validation and reporting for internal quality control.
Data Annotator at Cloud Factory
March 1, 2023 - March 1, 2023Labelled multimodal data sets including text, video, and documents for AI model development. Followed precise annotation instructions to ensure dataset accuracy and structure. Participated in QA processes and provided detailed feedback to enhance data quality. Organized and maintained labeled datasets for efficient model testing and review.
Data Annotator at Label Your Data
December 1, 2024 - December 1, 2024Performed detailed labeling for image, video, and LiDAR data sets aligned with machine learning requirements. Applied bounding boxes, object tracking, and temporal video annotation techniques. Conducted accuracy checks and peer reviews to ensure data consistency. Organized and documented annotation processes for repeatable quality workflows.
Annotation and Platform Specialist at Humans in the Loop
May 13, 2024 - August 22, 2025Reviewed and annotated text, image, video, and document datasets with over 95% accuracy following project guidelines.
Created and organized structured test datasets for AI training and evaluation.
Ensured labeling consistency and adherence to annotation standards.
Flagged ambiguities and collaborated with AI teams to resolve data issues.
Conducted quality assurance reviews and peer checks to maintain dataset quality.
Trained and onboarded new annotators, improving team performance by 30%.
LiDAR Annotation Specialist at Digital Divide Data (DDD) Kenya
January 1, 2026 - PresentAnnotate and segment 3D LiDAR point clouds for autonomous driving datasets with >95% accuracy. Conduct structured QA and review model outputs, integrating calibration feedback to improve annotation consistency.
Data Labeler at Label Your Data
April 1, 2024 - December 20, 2024Annotated and segmented multimodal data (image, video, LiDAR) with strict adherence to project guidelines, improving data set consistency.
Project Assistant at CloudFactory
April 1, 2023 - April 1, 2024Coordinated annotation workflows, increasing project completion rate by 25% while maintaining high-quality standards. Assisted annotators with guideline adherence, improving labeling consistency by 30%. Supported data set validation and internal QA reporting for AV and 3D projects.
Education
BSc Information Technology at Jomo Kenyatta University of Agriculture and Technology
September 5, 2016 - November 29, 2019Qualifications
Introduction to Video Annotation
January 11, 2030 - November 7, 2025Introduction to LiDAR Annotation
January 11, 2030 - November 7, 2025Image Annotation: Tags, Bounding Boxes, Polygons, Semantic Segmentation
January 11, 2030 - November 7, 2025Introduction to AI for Information Consumption
January 11, 2030 - November 7, 2025Generative AI (Basics): Evaluating and Refining Prompt/Response Data Sets
January 11, 2030 - November 7, 2025Industry Experience
Media & Entertainment, Professional Services, Software & Internet, Education
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