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Nathaniel Osuji

Nathaniel Osuji

Data Annotator - AI Content Optimization

NIGERIA flag
Lagos, Nigeria
$25.00/hrEntry LevelLabel Studio

Key Skills

Software

Label StudioLabel Studio

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
ImageImage
TextText
VideoVideo

Top Label Types

Text Generation
Text Summarization

Freelancer Overview

I am an analytical Data Annotator and AI Content Specialist with hands-on experience optimizing large language model performance through high-quality human-in-the-loop feedback. My expertise includes interpreting complex rubrics to accurately rank, label, and refine generative AI outputs, consistently maintaining 99% accuracy in high-volume RLHF environments. I am skilled in text classification, image tagging, sentiment analysis, and preference labeling, ensuring data integrity and actionable insights for AI training. With a strong foundation in software engineering and proficiency in tools such as Google Workspace and Microsoft Office, I bring critical thinking, attention to detail, and a passion for advancing AI technologies to every project I undertake.

Entry LevelEnglish

Labeling Experience

No Data Labeling experience added

Nathaniel O. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

F

Federal University of Technology, Owerri

Bachelor of Science, Software Engineering

Bachelor of Science
2021 - 2025

Work History

F

Fawscool

UI/UX Designer

Lagos
2025 - 2025