Sunday Owolabi

Key Skills

Software

Appen

Label Studio

CVAT

Top Subject Matter

AI Outputs (General/Various)

Machine Learning/General Text

Machine Learning/Images

Top Data Types

Text

Image

Document

Top Task Types

Classification

Freelancer Overview

Content Reviewer / AI Evaluation Assistant. Core strengths include Appen. Education includes Bachelor of Science, University of Ibadan (2023). AI-training focus includes data types such as Text and Image and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Data Annotation Specialist (Freelance)

AppenImageClassification

Labeled images for various AI model training needs, ensuring correct tagging and categorization as per project requirements. Maintained consistency and precision when annotating images and validating output data. Addressed ambiguous cases and referred challenging items for further review to enhance model learning. • Applied strict guidelines for diverse datasets • Checked for annotation errors and ensured data cleanliness • Improved annotation workflow efficiency through best practices • Helped refine labeling instructions as new challenges emerged

Labeled images for various AI model training needs, ensuring correct tagging and categorization as per project requirements. Maintained consistency and precision when annotating images and validating output data. Addressed ambiguous cases and referred challenging items for further review to enhance model learning. • Applied strict guidelines for diverse datasets • Checked for annotation errors and ensured data cleanliness • Improved annotation workflow efficiency through best practices • Helped refine labeling instructions as new challenges emerged

2024 - 2024

Data Annotation Specialist (Freelance)

AppenTextClassification

Annotated and labeled textual datasets for machine learning models, including tasks such as text classification and sentiment analysis. Rigorously reviewed AI-generated responses for accuracy, compliance, and relevance to ensure high model performance. Maintained an annotation accuracy rate exceeding 95% across various workflows. • Followed and updated comprehensive annotation protocols • Identified and flagged data inconsistencies and edge cases • Contributed feedback for guideline improvements across projects • Supported the optimization of AI model training datasets

Annotated and labeled textual datasets for machine learning models, including tasks such as text classification and sentiment analysis. Rigorously reviewed AI-generated responses for accuracy, compliance, and relevance to ensure high model performance. Maintained an annotation accuracy rate exceeding 95% across various workflows. • Followed and updated comprehensive annotation protocols • Identified and flagged data inconsistencies and edge cases • Contributed feedback for guideline improvements across projects • Supported the optimization of AI model training datasets

2024 - 2024

Content Reviewer / AI Evaluation Assistant

AppenText

Evaluated AI-generated outputs for correctness, tone, and usability over several projects. Provided structured feedback that helped improve AI model performance and training data quality. Ensured strict alignment with diverse project guidelines for consistency. • Compared model responses and ranked based on quality metrics • Offered insights about edge cases and potential data ambiguities • Assisted in curating improved datasets for training • Maintained thorough documentation of evaluation criteria and outcomes

Evaluated AI-generated outputs for correctness, tone, and usability over several projects. Provided structured feedback that helped improve AI model performance and training data quality. Ensured strict alignment with diverse project guidelines for consistency. • Compared model responses and ranked based on quality metrics • Offered insights about edge cases and potential data ambiguities • Assisted in curating improved datasets for training • Maintained thorough documentation of evaluation criteria and outcomes

2023 - 2023

Education

Work History