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Olayinka AdebisiOA
Open to opportunities

Olayinka Adebisi

@olayinkaadebisi

Data Annotation & QA Specialist who builds clear schemas and SOPs, ensuring high-quality labels for AI and machine learning.

Nigeria
Message

What I'm looking for

I’m looking to apply annotation and data-quality expertise to insurance-focused AI—building robust labeling schemas, triaging insurance submissions, and improving workflows in a fast-paced, first-principles team.

I’m a detail-oriented Data Annotation Specialist with hands-on experience labeling, evaluating quality, and developing schemas for AI and machine learning pipelines. I focus on keeping annotation throughput high while maintaining consistency across complex tasks.

In my freelance/contract remote work since 2022, I’ve annotated thousands of text documents, images, and structured data for multiple AI projects. I partner with ML engineers to refine annotation schemas, and I create and maintain detailed SOPs so new annotators can onboard quickly without sacrificing quality.

I also perform quality audits on annotated batches—reaching >95% inter-annotator agreement on complex labeling—and I flag ambiguous edge cases with structured feedback to improve guidelines over time. I enjoy process improvement, logical thinking, and cross-functional collaboration, and I’m especially drawn to insurance technology work where my annotation and data-quality experience can directly strengthen robust AI pipelines.

Experience

Work history, roles, and key accomplishments

FR
Current

Data Annotation QA Reviewer

Freelance

Jan 2022 - Present (4 years 4 months)

Annotated thousands of text documents, images, and structured data across multiple AI projects for various clients. Developed annotation schemas and SOPs, ran quality audits, and achieved >95% inter-annotator agreement on complex labeling tasks while flagging edge cases to improve guidelines.

Education

Degrees, certifications, and relevant coursework

UN

[University Name]

Bachelor of Science, [Your Degree Field]

Completed a Bachelor of Science degree in [Your Degree Field] at [University Name] in Ogun State, Nigeria.

Tech stack

Software and tools used professionally

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