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Joseph A.

Joseph A.

Data Annotation Specialist, DIGITANOTION LIMITED (06/2025–Present)

Nigeria flagAnambra, Nigeria

Key Skills

Software

No software listed

Top Subject Matter

Medical imaging
autonomous driving
retail product recognition

Top Data Types

ImageImage
VideoVideo
TextText
DocumentDocument

Top Task Types

SegmentationSegmentation

Freelancer Overview

Data Annotation Specialist, DIGITANOTION LIMITED (06/2025–Present). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Bachelor of Technology, Nnamdi Azikiwe University (2019). AI-training focus includes data types such as Image, Video, and Text and labeling workflows including Segmentation.

Labeling Experience

Data Annotation Specialist, DIGITANOTION LIMITED (06/2025–Present)

ImageImageSegmentationSegmentation

Annotated and validated multi-modal datasets including images, videos, and text for AI/ML use cases. Performed computer-vision labeling tasks such as motion captioning and object segmentation while following strict moderation and safety guidelines. Maintained high quality with reported 98% accuracy while meeting tight deadlines and productivity targets. • Labeled 1,000+ images and 500+ videos across medical imaging, autonomous driving, retail, and social media datasets • Reviewed potentially problematic content for an Instagram-funded project in line with moderation and safety policies • Produced motion captions, video descriptions, and object segmentation outputs to support model training • Collaborated with QA to reduce annotation errors by ~15% and provided structured feedback to improve annotation tools and workflow efficiency

2025 - Present

Education

N

Nnamdi Azikiwe University

Bachelor of Technology, Technology

Bachelor of Technology
2014 - 2019

Work History

D

Digitanotion Limited

Data Annotation Specialist

Anambra
2025 - Present