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Bello Barakat

Data Annotator (AI Specialist)

Nigeria flaglagos, Nigeria
$20.00/hrExpertOtherCVATData Annotation Tech

Key Skills

Software

Other
CVATCVAT
Data Annotation TechData Annotation Tech

Top Subject Matter

General AI/ML Datasets
Computer Vision/General AI

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotator (AI Specialist). Core strengths include Other. Education includes Bachelor of Public Administration, Fountain University, Osogbo (2022). AI-training focus includes data types such as Text and Image and labeling workflows including Classification.

ExpertEnglish

Labeling Experience

Data Annotator (AI Specialist)

OtherImageClassification
During my tenure at RWS AI, I also handled image data annotation tasks to improve computer vision models. I was responsible for classifying, tagging, and organizing visual data, ensuring consistent and high-quality labeling. Thorough quality validation and teamwork ensured the reliability of the final datasets. • Tagged and classified images for AI applications. • Ensured visual data met all specified annotation guidelines. • Conducted validation checks for labeling consistency. • Collaborated in a remote team environment to meet set targets.

During my tenure at RWS AI, I also handled image data annotation tasks to improve computer vision models. I was responsible for classifying, tagging, and organizing visual data, ensuring consistent and high-quality labeling. Thorough quality validation and teamwork ensured the reliability of the final datasets. • Tagged and classified images for AI applications. • Ensured visual data met all specified annotation guidelines. • Conducted validation checks for labeling consistency. • Collaborated in a remote team environment to meet set targets.

2025 - 2026

Data Annotator (AI Specialist)

OtherTextClassification
As a Data Annotator (AI Specialist) at RWS AI, I annotated and labeled datasets across text and image formats to support AI model training. I achieved and maintained high accuracy levels while following detailed annotation guidelines. I performed rigorous quality checks and classification to ensure data consistency and improved machine learning outcomes. • Labeled datasets for text-based AI models. • Maintained strict adherence to quality assurance protocols. • Organized and classified text data for optimized retrieval. • Collaborated with project teams to resolve data ambiguities.

As a Data Annotator (AI Specialist) at RWS AI, I annotated and labeled datasets across text and image formats to support AI model training. I achieved and maintained high accuracy levels while following detailed annotation guidelines. I performed rigorous quality checks and classification to ensure data consistency and improved machine learning outcomes. • Labeled datasets for text-based AI models. • Maintained strict adherence to quality assurance protocols. • Organized and classified text data for optimized retrieval. • Collaborated with project teams to resolve data ambiguities.

2025 - 2026

Education

F

Fountain University, Osogbo

Bachelor of Public Administration, Public Administration

Bachelor of Public Administration
2018 - 2022

Work History

R

RWS AI

Data Annotator expert

Orlando
2025 - Present