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Stephanie Okoye

@stephanieokoye3

AI data specialist focused on high-quality annotation and dataset integrity.

Nigeria
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What I'm looking for

I seek remote or hybrid roles where I can apply annotation, QA, and database skills to improve AI datasets, work with collaborative teams, and grow toward advanced ML/data engineering responsibilities.

I am a detail-oriented AI data specialist with practical experience in data collection, annotation, labeling, and quality assurance across text, image, audio, and video. I deliver accurate, high-quality results on flexible schedules and excel at remote collaboration.

In freelance AI and data projects I conducted annotation and labeling for multimodal datasets, performed pairwise comparisons and evaluations to improve AI-generated content, and contributed to data preprocessing and structuring for ML training.

As a database administrator at a cloud computing company, I manage, maintain, and optimize database systems, perform extraction, transformation, and validation tasks supporting business intelligence, and collaborate to ensure data accuracy and compliance across environments.

I hold a B.Sc. in Pharmacy and completed training in SQL & Database Management (Advanced), Python for Data Analysis (Intermediate), and Machine Learning Foundations; I bring strong English proficiency (C1/C2) and a focus on attention to detail and data integrity.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

Nnamdi Azikiwe University logoNU

Nnamdi Azikiwe University

Bachelor of Science, Pharmacy

Completed a Bachelor of Science in Pharmacy at Nnamdi Azikiwe University.

Tech stack

Software and tools used professionally

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Stephanie Okoye - AI Data Specialist - Freelance | Himalayas