Magoiga Kelion

Key Skills

Software

Appen

CloudFactory

CVAT

Dataloop

Hasty

iMerit

Labelbox

Label Studio

Lionbridge

Mindrift

Roboflow

Sama

Scale AI

SuperAnnotate

V7 Labs

Other

Top Subject Matter

No subject matter listed

Top Data Types

3D Sensor

Audio

Document

Geospatial Tiled Imagery

Image

Text

Video

Top Label Types

Action Recognition

Bounding Box

Classification

Cuboid

Evaluation Rating

Fine Tuning

Mapping

Object Detection

Point Key Point

Polygon

Polyline

Prompt Response Writing SFT

Question Answering

RLHF

Segmentation

Tracking

Transcription

Translation Localization

Freelancer Overview

I am a dedicated Data Annotation Specialist with extensive hands-on experience delivering high-quality labeled data for AI and machine learning projects across computer vision, NLP, LLMs, autonomous vehicles, retail, and AgriTech domains. My background spans leading and mentoring annotation teams, managing multilingual projects (notably Swahili audio), and ensuring rigorous quality standards in image, video, audio, 3D point cloud, and text data annotation. I am skilled in using a wide range of annotation tools such as Scale AI, CVAT, V7 Darwin, Dataloop, and more, and am passionate about responsible AI, data protection, and scalable annotation workflows. My strengths include critical thinking, process optimization, ontology evolution, and clear communication, which have enabled me to consistently deliver accurate, ethical, and production-ready datasets for diverse AI applications.

Labeling Experience

Senior Data Annotation Specialist

Label StudioImageClassification

Oversaw daily project delivery as a Senior Data Annotation Specialist, ensuring timely and high-quality completion of image, video, and 3D data annotation tasks. Acted as quality lead by conducting reviews, identifying issues early, and driving resolution to maintain high annotation standards. Provided mentorship and supported onboarding, training, and skill development for new associates. • Monitored task queues and balanced workloads to meet project objectives. • Maintained accurate documentation and prepared concise project updates with dashboards. • Led daily team check-ins to track progress and address task prioritization. • Escalated blockers promptly and updated processes for efficiency and quality.

Oversaw daily project delivery as a Senior Data Annotation Specialist, ensuring timely and high-quality completion of image, video, and 3D data annotation tasks. Acted as quality lead by conducting reviews, identifying issues early, and driving resolution to maintain high annotation standards. Provided mentorship and supported onboarding, training, and skill development for new associates. • Monitored task queues and balanced workloads to meet project objectives. • Maintained accurate documentation and prepared concise project updates with dashboards. • Led daily team check-ins to track progress and address task prioritization. • Escalated blockers promptly and updated processes for efficiency and quality.

2024

Project Manager – Swahili Audio Annotation

OtherAudioClassification

Managed a multilingual team for the annotation of Swahili audio datasets, ensuring linguistic accuracy and cultural relevance. Collaborated with QA specialists to maintain quality standards, refine workflows, and resolve annotation challenges. Delivered performance reports and provided training and feedback to improve contributor performance. • Assigned tasks and tracked team progress for timely delivery. • Coordinated with stakeholders to meet high-quality objectives. • Monitored error rates and guided corrective actions in audio projects. • Supported team adherence to annotation and data quality standards.

Managed a multilingual team for the annotation of Swahili audio datasets, ensuring linguistic accuracy and cultural relevance. Collaborated with QA specialists to maintain quality standards, refine workflows, and resolve annotation challenges. Delivered performance reports and provided training and feedback to improve contributor performance. • Assigned tasks and tracked team progress for timely delivery. • Coordinated with stakeholders to meet high-quality objectives. • Monitored error rates and guided corrective actions in audio projects. • Supported team adherence to annotation and data quality standards.

2025 - 2025

Project Data Annotator

CVATImageClassification

Executed large-scale retail data annotation tasks such as SKU labeling, product price tagging, and attribute validation to support AI-driven retail analytics projects. Ensured compliance with project guidelines and managed edge cases through escalation and documentation. Contributed to quality assurance and workflow optimization for efficient annotation at scale. • Conducted validation and participated in regular QA reviews for accuracy. • Produced reports and visual data representations for project tracking. • Enhanced efficiency in retail tasks by optimizing workflows. • Ensured high data integrity and guideline adherence across assignments.

Executed large-scale retail data annotation tasks such as SKU labeling, product price tagging, and attribute validation to support AI-driven retail analytics projects. Ensured compliance with project guidelines and managed edge cases through escalation and documentation. Contributed to quality assurance and workflow optimization for efficient annotation at scale. • Conducted validation and participated in regular QA reviews for accuracy. • Produced reports and visual data representations for project tracking. • Enhanced efficiency in retail tasks by optimizing workflows. • Ensured high data integrity and guideline adherence across assignments.

2025 - 2025

Data Annotation Agent – Food Waste Management

CVATImageClassification

Classified and annotated food images for ML models to aid in food waste management and detection applications. Focused on ensuring ethical and accurate data labeling aligned with project goals. Conducted QA reviews and collaborated with teams to improve workflows for enhanced model reliability. • Maintained high accuracy and ethical standards in annotation tasks. • Supported the refinement of labeling practices based on evolving guidelines. • Provided insights through dataset reporting and analytics. • Ensured consistency and accuracy across annotated datasets for food waste projects.

Classified and annotated food images for ML models to aid in food waste management and detection applications. Focused on ensuring ethical and accurate data labeling aligned with project goals. Conducted QA reviews and collaborated with teams to improve workflows for enhanced model reliability. • Maintained high accuracy and ethical standards in annotation tasks. • Supported the refinement of labeling practices based on evolving guidelines. • Provided insights through dataset reporting and analytics. • Ensured consistency and accuracy across annotated datasets for food waste projects.

2024 - 2024

Data Annotation Specialist Intermediate

CloudfactoryImageSegmentation

Annotated 2D and 3D datasets with precision to support AI model development at CloudFactory. Participated in guideline refinement and regular quality reviews to enhance consistency. Supported process improvements for scalable annotation workflows. • Collaborated with teams on QA and process documentation. • Provided feedback on annotation standards and workflow bottlenecks. • Conducted quality reviews and ensured compliance with SOPs. • Contributed to annotation guideline updates and efficiency initiatives.

Annotated 2D and 3D datasets with precision to support AI model development at CloudFactory. Participated in guideline refinement and regular quality reviews to enhance consistency. Supported process improvements for scalable annotation workflows. • Collaborated with teams on QA and process documentation. • Provided feedback on annotation standards and workflow bottlenecks. • Conducted quality reviews and ensured compliance with SOPs. • Contributed to annotation guideline updates and efficiency initiatives.

2024 - 2024

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Education

Work History