Harun B.

Key Skills

Software

CVAT

LabelImg

Other

Top Subject Matter

General data records and dataset preparation

AI training image/text datasets

Remote AI training dataset labeling with QA

Top Data Types

Text

Image

Top Task Types

Classification

Freelancer Overview

Data Entry Assistant (dataset entry and verification support). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Google Sheets, Microsoft Excel, and CVAT. Education includes Bachelor’s Degree, Lagos State University. AI-training focus includes data types such as Text and Image and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Remote Data Annotation & Virtual Assistant (advanced labeling + QA)

CVATImage

Performed advanced data labeling and quality checks for AI training datasets. Conducted online research and administrative support tasks to support project execution. Managed multiple concurrent assignments while maintaining clear communication with remote teams and supervisors. • Advanced labeling with quality assurance checks • Quality evaluation of labeled data • Online research and administrative assistance • Deadline-driven task management and reporting

2025 - 2026

Data Annotation Specialist (image/text labeling and review)

CVATImageClassification

Labeled and categorized image and text datasets according to detailed annotation guidelines. Reviewed annotations to ensure quality and accuracy before submission. Maintained consistent labeling across dataset batches while collaborating remotely with team members. • Image and text labeling and categorization • Quality review and validation of annotations • Guideline-driven consistent labeling • Remote collaboration on annotation tasks

2023 - 2025

Data Entry Assistant (dataset entry and verification support)

TextClassification

Accurately entered and updated spreadsheet data while maintaining high consistency with existing records. Verified and corrected entries to reduce errors and ensure dataset quality. Organized and prepared data to support downstream AI training workflows. • Spreadsheet data verification and correction • Consistency checks across records • Dataset organization for retrieval • Support for remote documentation and task completion

2022 - 2023

Education

Work History