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Olatunde Raheem

@olatunderaheem

AI data annotation and transcription specialist refining ML datasets for accurate, reliable AI model outputs.

Nigeria
Message

What I'm looking for

I’m looking for remote work where I can annotate and verify AI training data end-to-end—following detailed guidelines, maintaining high QA accuracy, and collaborating in human–AI workflows to improve model reliability.

I’m a detail-oriented AI Data Annotation and Transcription Specialist, supporting machine learning and generative AI projects with high-quality text, audio, and image annotation. I work closely with AI systems to review, correct, and refine model-generated outputs so they meet strict project standards.

I bring strong quality assurance to every task—following complex guidelines to ensure accuracy, consistency, and reliability. I handle text classification, sentiment analysis, and intent tagging, and I’m comfortable structuring datasets with clear metadata for real-world AI use.

On audio work, I transcribe recorded speech with high accuracy, including speaker identification and timestamps, and I deliver both verbatim and clean formatting. On visual tasks, I label objects through tagging, bounding boxes, and categorization to support object recognition and classification.

I’m also confident in independent, remote work within human–AI workflows. I maintain an average accuracy score above 95% across multiple annotation platforms, adapt quickly between task types, and take pride in fact-checking, content validation, and information verification.

Experience

Work history, roles, and key accomplishments

FR
Current

Freelance Data Annotator

Freelance

Jan 2023 - Present (3 years 5 months)

Annotated and transcribed large-scale text, image, and audio datasets to support AI/ML and generative AI training, improving model output quality through review and corrections. Performed intent/sentiment tagging, verbatim and clean transcription (speaker/timestamps), and guideline-based QA/fact validation with an average accuracy score above 95%.

Education

Degrees, certifications, and relevant coursework

University of Ibadan logoUI

University of Ibadan

Bachelor of Science (B.Sc.), Zoology

Earned a Bachelor of Science (B.Sc.) in Zoology from the University of Ibadan.

Tech stack

Software and tools used professionally

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