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Ad'l Adedeji

@adladedeji

Senior Data Annotator on Scale AI and Appen projects, labeling 150,000+ images with 99% accuracy for computer vision models.

Nigeria

Message

What I'm looking for

I'm available for remote full-time, part-time, or contract engagements.

On Scale AI, Appen, and remote annotation projects, I labeled images for computer vision work and led annotation teams. I used bounding boxes, polygons, and semantic segmentation, and achieved 99% accuracy across more than 150,000 images.

I also audited annotation quality and checked inter-annotator agreement, reducing error rates by 25%. My work has included multimodal datasets for generative AI, as well as NLP and image, video, and audio annotation.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Annotator

Current

Scale AI / Appen / Remote Annotation Projects

Jan 2023 - Present (3 years 8 months)

Led annotation teams on large-scale computer vision projects, labeling over 150,000 images with 99% accuracy. Performed QA audits and inter-annotator agreement checks, reducing error rates by 25%.

Labelbox CVAT Superannotate AWS Ground Truth Bounding Boxes Polygon Semantic Segmentation QA Inter Annotator Agreement Multimodal Datasets Generative AI

Data Annotation Specialist

Freelance / Outsource Annotation Platforms

Jun 2020 - Dec 2022 (2 years 6 months)

Accurately labeled 80,000+ data points across text, image, and video datasets for NLP and CV models. Conducted data validation and cleaning, achieving 98%+ quality scores.

NER Sentiment Analysis Keypoint Annotation Data Validation Git JSON COCO

Junior Data Annotator

AI Data Solutions / Local Tech Startup

Mar 2019 - May 2020 (1 year 2 months)

Annotated entry-level image and text datasets for initial ML model training, processing over 40,000 items. Assisted in dataset preparation and basic Python scripting for data organization.

Python Pandas NumPy Bounding Boxes Classification Data Quality Assurance