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O

Oluwaseyi S.

AI Trainer and Data Annotator

Nigeria flagLagos, Nigeria

Key Skills

Software

No software listed

Top Subject Matter

General AI and NLP development

Top Data Types

TextText

Top Task Types

ClassificationClassification

Freelancer Overview

AI Trainer and Data Annotator. Core strengths include Internal and Proprietary Tooling. Education includes Higher National Diploma, Yaba College of Technology (2019) and National Diploma, Yaba College of Technology (2016). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

AI Trainer and Data Annotator

TextTextClassificationClassification

As an AI Trainer and Data Annotator, I contributed to the development and optimization of AI models by performing comprehensive data annotation tasks. I labeled and classified diverse datasets to improve model accuracy and provide high-quality training data. My responsibilities included data validation and ensuring annotation consistency while collaborating with cross-functional teams. • Labeled and categorized text-based datasets for natural language processing projects. • Ensured data quality and annotation consistency for AI workflows. • Used proprietary or internal tooling and Python scripting for annotation and validation tasks. • Participated in iterative feedback cycles to refine annotation guidelines and outputs.

Not specified

Education

Y

Yaba College of Technology

Higher National Diploma, Computer Science

Higher National Diploma
2019 - 2019
Y

Yaba College of Technology

National Diploma, Computer Science

National Diploma
2016 - 2016

Work History

O

ONITECH

Junior Data Analyst

Lagos
2025 - 2025