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Obafemi B.

Obafemi B.

AI Data Annotator

Nigeria flagIkotun, Nigeria

Key Skills

Software

No software listed

Top Subject Matter

AI Training & Data Annotation
Natural Language Processing (NLP)
Technology & Software
Business & Finance
Education & E-learning

Top Data Types

TextText
DocumentDocument
VideoVideo

Top Task Types

Data CollectionData Collection
Text SummarizationText Summarization
Bounding BoxBounding Box
Entity (NER) ClassificationEntity (NER) Classification
Question AnsweringQuestion Answering
Red TeamingRed Teaming

Freelancer Overview

I have intermediate-level experience supporting AI training and data annotation workflows, including reviewing and labeling text data, evaluating model responses, and ensuring outputs align with quality and guideline requirements. My experience includes tasks such as sentiment analysis, text classification, content moderation, entity recognition, and prompt-response evaluation. I am comfortable following detailed annotation instructions, maintaining consistency, and performing quality checks to improve dataset accuracy. In addition, I have worked with a variety of natural language processing tasks, including data cleaning, categorization, and generating high-quality examples for supervised learning. I am familiar with common annotation tools and understand the importance of precision, attention to detail, and meeting project deadlines while collaborating effectively with teams to support AI model development and continuous improvement.

Labeling Experience

Yes, I have intermediate experience with AI training and data labeling tasks

Yes, I have intermediate experience with AI training and data labeling tasks. My experience includes text classification, sentiment analysis, content moderation, prompt-response evaluation, entity recognition, and quality assurance. I am familiar with following annotation guidelines, maintaining labeling consistency, and reviewing model outputs to ensure accuracy and quality. I have also worked with data categorization and creating high-quality examples to support machine learning and NLP projects.

Not specified

Education

B

Bachelor's Degree

Degree not specified

Not specified
Not specified

Work History

C

Company not specified

DATA SCIENTIST

Location not specified
Not specified