Onyinye O.

Key Skills

Software

Appen

Clickworker

Top Subject Matter

NLP dataset preparation and text annotation for AI model training

Top Data Types

Text

Image

Video

Top Task Types

Data Collection

Entity (NER) Classification

Classification

Text Generation

Text Summarization

Transcription

Freelancer Overview

Outlier AI — Data Annotation — United Kingdom. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, University Of Sunderland (2025) and Master of Science, Universiti Putra Malaysia (UPM) (2021). AI-training focus includes data types such as Text and labeling workflows including Entity (NER).

Labeling Experience

Outlier AI — Data Annotation — United Kingdom

Text

Annotated and labeled large-scale text datasets to support AI model training and improve data quality. Performed NLP text annotation tasks including classification, entity recognition, and sentiment analysis. Conducted quality checks to ensure annotation accuracy and consistency across datasets. • Text classification labeling for NLP applications • Entity recognition (NER) annotations • Sentiment analysis labeling • Annotation workflow and labeling standard maintenance

2026 - Present

Education

Work History