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E
Ezekiel

Ezekiel

Senior Data Annotation & Evaluation Specialist | Global AI Operations Solutions

Nigeria flagLagos, Nigeria

Key Skills

Software

Data Annotation TechData Annotation Tech
ClickworkerClickworker

Top Subject Matter

Computer Vision (Video annotation for autonomous driving and surveillance systems)
Computer Vision (Video & image annotation for e-commerce, facial verification, and surveillance)

Top Data Types

VideoVideo
ImageImage

Top Task Types

SegmentationSegmentation

Freelancer Overview

Senior Data Annotation & Evaluation Specialist | Global AI Operations Solutions. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Global AI Operations Solutions, Senior Data Annotation & Evaluation Specialist (2023) and Video & Image Annotation Analyst, Apex Intelligence & Data Solutions (2022). AI-training focus includes data types such as Video and labeling workflows including Evaluation, Rating, and Segmentation.

Labeling Experience

Senior Data Annotation & Evaluation Specialist | Global AI Operations Solutions

VideoVideo

Served as a Senior Data Annotation & Evaluation Specialist, delivering quality audits and ensuring temporal consistency across large-scale video datasets. Performed ongoing evaluation of annotated outputs to maintain high accuracy and reduce labeling rework. Collaborated on QA/QC workflow improvements to raise audit performance and streamline the labeling pipeline. • Achieved 99.8% quality audit rating over 18 months. • Managed 500,000+ video frames with strict temporal consistency checks. • Reduced re-work overhead by 14% through revised QA/QC workflows. • Monitored dataset quality to support efficient model training cycles.

2023 - Present

Video & Image Annotation Analyst | Apex Intelligence & Data Solutions

VideoVideoSegmentationSegmentation

Worked as a Video & Image Annotation Analyst, producing labeled computer vision data for downstream machine learning tasks. Handled nuanced edge-case scenarios and refined labeling/ontology guidelines to reduce ambiguity. Contributed to maintaining dataset labeling quality while meeting or exceeding weekly KPIs. • Exceeded weekly KPIs by 115–120%. • Resolved 3,500+ nuanced edge-case scenarios. • Refined ontology guidelines, decreasing ambiguities by 30%. • Applied labeling standards for visual annotations within the dataset pipeline.

2020 - 2022

Education

A

Apex Intelligence & Data Solutions

Video & Image Annotation Analyst

Video & Image Annotation Analyst
2020 - 2022
S

Senior Data Annotation & Evaluation Specialist

Global AI Operations Solutions

Global AI Operations Solutions
2023

Work History

G

Global AI Operations Solutions

Senior Data Annotation & Evaluation Specialist

Lagos
2023 - Present
A

Apex Intelligence & Data Solutions

Video & Image Annotation Analyst

Lagos
2020 - 2022