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J

Jorris Ejiofor

Data Annotator | luel.ai

Nigeria flagAbuja, Nigeria
$15.00/hrIntermediateLabelboxAppen

Key Skills

Software

LabelboxLabelbox
AppenAppen

Top Subject Matter

Company/Business Information Verification
Technology and internet - Ai response evaluation and ranking
Education and Edtech - Data annotation and labeling

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

Entity (NER) ClassificationEntity (NER) Classification
Evaluation/RatingEvaluation/Rating
Object DetectionObject Detection

Freelancer Overview

Data Annotator | luel.ai. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox. Education includes Bachelor of Science, Alex Ekwueme Federal University (2025) and Senior Secondary School Certificate, Bubendorff Memorial Grammar School (2020). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) Classification.

IntermediateEnglish

Labeling Experience

Labelbox

Data Annotator | luel.ai

LabelboxTextEntity Ner Classification
I performed manual data annotation and verification to support AI model training and improve performance. I utilized OSINT techniques to verify company attributes using public sources. I ensured data integrity by identifying and correcting discrepancies, following project-specific annotation guidelines. • Labeled and verified company-related textual data such as directors, revenue, and jurisdiction. • Used public domain research to check and validate information accuracy. • Maintained high annotation accuracy as per project specifications. • Worked both independently and as part of a team to deliver annotated datasets.

I performed manual data annotation and verification to support AI model training and improve performance. I utilized OSINT techniques to verify company attributes using public sources. I ensured data integrity by identifying and correcting discrepancies, following project-specific annotation guidelines. • Labeled and verified company-related textual data such as directors, revenue, and jurisdiction. • Used public domain research to check and validate information accuracy. • Maintained high annotation accuracy as per project specifications. • Worked both independently and as part of a team to deliver annotated datasets.

2025 - 2026

Education

A

Alex Ekwueme Federal University

Bachelor of Science, Biology

Bachelor of Science
2021 - 2025
B

Bubendorff Memorial Grammar School

Senior Secondary School Certificate, General Studies

Senior Secondary School Certificate
2013 - 2020

Work History

P

PowerPay

Front-End Developer (Flutter)

Abuja
2024 - 2025