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joan jonJJ
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joan jon

@joanjon

I label and validate AI datasets for accurate machine learning models.

Nigeria
Message

What I'm looking for

I'm looking for data annotation, data analysis, or quality assurance work supporting AI and machine learning projects, where I can apply careful validation, follow detailed guidelines, learn new tools, and consistently deliver accurate work on time.

I've supported AI and computer vision projects at Hugo Technologies and Wonder AI Global by labeling, validating, and reviewing large-scale datasets across image, video, audio, text, traffic, and 3D data.

At Hugo Technologies, I annotated more than 50,000 data points at 98% accuracy, including video annotation, bounding-box segmentation, traffic and vehicle segmentation, 3D annotations, and photorealistic image labeling. I partnered with QA teams and data scientists to resolve edge cases, correct inconsistencies, and maintain dataset integrity.

At Wonder AI Global, I've labeled and reviewed over 10,000 image, video, and audio data points while maintaining 95% accuracy. Through detailed review, validation, audio segmentation, and transcription, I've reduced annotation errors by over 80%.

My background as an educator and ICT Officer strengthened my communication, record-management, analytical thinking, and ability to explain complex work clearly. I bring consistency, careful attention to guidelines, and a reliable approach to meeting quality targets and deadlines.

Experience

Work history, roles, and key accomplishments

HT

Data Annotator/Quality Analyst

Hugo Technologies

Jan 2024 - Jan 2026 (2 years)

Precisely labeled and categorized large datasets for machine learning and computer vision models, maintaining high accuracy and consistency. Partnered with QA teams and data scientists to resolve edge cases and eliminate dataset ambiguities.

Education

Degrees, certifications, and relevant coursework

University of Lagos logoUL

University of Lagos

Bachelor of Science, Cell Biology and Genetics

Bachelor of Science in Cell Biology and Genetics from the University of Lagos.

Tech stack

Software and tools used professionally

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