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Matthew Julius

Matthew Julius

AI Training Specialist - Data Annotation & NLP

NIGERIA flag
Okene, Nigeria
$25.00/hrExpertCVAT

Key Skills

Software

CVATCVAT

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Classification
Action Recognition
Text Summarization

Freelancer Overview

I am an experienced AI training and data annotation specialist with over five years supporting high-impact machine learning projects across NLP, computer vision, and multilingual domains. My expertise includes delivering and quality-assuring large-scale datasets—over 120,000 data points—with consistent 98-99% accuracy, optimizing training data for conversational AI, sentiment analysis, entity recognition, and content classification. I am highly skilled in data labeling tools like Labelbox, Prodigy, CVAT, and Hive Micro, and have a strong command of Python, SQL, and NLP frameworks such as spaCy and Hugging Face Transformers. I have contributed to multilingual annotation and translation projects, especially English-Finnish, for Nordic market applications and academic research. My background in transcription, GDPR-compliant data handling, and workflow optimization ensures reliable, high-quality data pipelines for AI development. I am committed to leveraging my technical and linguistic skills to drive innovation in remote, collaborative AI and data operations environments.

ExpertEnglish

Labeling Experience

CVAT

AI Data Labeler-Multilingual

CVATTextClassificationAction Recognition
Annotated 120K+ data points for Ai Models training with 98-99% accuracy Specialized in NLP labeling, quality assurance.

Annotated 120K+ data points for Ai Models training with 98-99% accuracy Specialized in NLP labeling, quality assurance.

2024 - 2025

Education

U

University of Ilorin

Bachelor of Science, Computer Science

Bachelor of Science
2016 - 2020

Work History

M

McGowan Transcription

Transcription Specialist

England
2020 - 2021
T

Translata

Translation Specialist (English-Finnish)

Bratislava
2019 - 2020