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Ekene-Onwon Hanson

Ekene-Onwon Hanson

Backend/Full Stack Developer

Nigeria flagPort Harcourt, Nigeria
$5.00/hrEntry LevelCVATLabelboxLabel Studio

Key Skills

Software

CVATCVAT
LabelboxLabelbox
Label StudioLabel Studio
RoboflowRoboflow

Top Subject Matter

Technology – AI & Machine Learning Data
Finance – Risk Analysis & Fraud Detection
E-commerce – Product Categorization & Customer Support

Top Data Types

Computer Code ProgrammingComputer Code Programming
TextText
DocumentDocument

Top Task Types

ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification
Data CollectionData Collection
RLHFRLHF
Text SummarizationText Summarization
Question AnsweringQuestion Answering
Text GenerationText Generation
Computer Programming/CodingComputer Programming/Coding
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

Backend/Full Stack Developer. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor of Technology, Rivers State University.

Entry LevelEnglish

Labeling Experience

Business Information Extraction & Data Annotation

TextEntity Ner Classification
Annotated business-related text to extract key entities such as company names, locations, dates, job roles, contact information, and financial data. Labeled over 700 text samples to support AI-powered information extraction and automation systems. Followed structured annotation guidelines and performed dataset validation for improved accuracy.

Annotated business-related text to extract key entities such as company names, locations, dates, job roles, contact information, and financial data. Labeled over 700 text samples to support AI-powered information extraction and automation systems. Followed structured annotation guidelines and performed dataset validation for improved accuracy.

2026 - Present

AI Job Data Extraction & Annotation

TextEntity Ner Classification
Annotated job descriptions to extract structured data including job title, company name, salary range, job location, employment type, required skills, and experience level. Labeled over 500 job postings from various industries to support AI-driven job parsing and recommendation systems. Maintained consistent labeling guidelines and performed quality checks to ensure annotation accuracy and dataset reliability.

Annotated job descriptions to extract structured data including job title, company name, salary range, job location, employment type, required skills, and experience level. Labeled over 500 job postings from various industries to support AI-driven job parsing and recommendation systems. Maintained consistent labeling guidelines and performed quality checks to ensure annotation accuracy and dataset reliability.

2025 - Present

Customer Feedback Sentiment Annotation

TextClassification
Annotated customer reviews and feedback into sentiment categories including Positive, Negative, and Neutral. Labeled over 1,000 text samples across different industries including e-commerce, services, and technology. Applied consistent annotation guidelines and validated dataset quality to support AI sentiment analysis models.

Annotated customer reviews and feedback into sentiment categories including Positive, Negative, and Neutral. Labeled over 1,000 text samples across different industries including e-commerce, services, and technology. Applied consistent annotation guidelines and validated dataset quality to support AI sentiment analysis models.

2025 - 2025

Education

R

Rivers State University

Bachelor of Technology, Chemical and Petrochemical Engineering

Bachelor of Technology
Not specified

Work History

P

Proliance Ltd

Backend/Full Stack Developer

Port Harcourt
2024 - Present
A

Aceplora Coding Academy

Senior Python Developer & Instructor

N/A
2023 - 2024