Calvin M.

Key Skills

Software

CVAT

Other

Top Subject Matter

Machine learning training datasets

Data management and dataset preparation

Top Data Types

Text

Document

Image

Top Task Types

Classification

Data Collection

Entity (NER) Classification

Freelancer Overview

Data Labelling Associate at Digital Divide Data. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT and Other. Education includes Computer Applications Certificate, Best Training (Digital Divide Data) (2021) and Diploma in Advanced Project Management, Nairobi Institute of Business Studies (2023). AI-training focus includes data types such as Text, Document, and Image and labeling workflows including Classification, Data Collection, and Named Entity Recognition.

Labeling Experience

Data Labelling Associate (Excluded) - Digital Divide Data

CVATImageClassificationEntity (NER) Classification

You are listed with a Data Labelling Associate role at Digital Divide Data, but this work focuses on labeling and quality checks for datasets. Because the role is primarily data-labeling oriented, it is excluded from the structured work-experience extraction. • Maintained quality metrics for labeled data • Performed consistency, completeness, and accuracy checks • Troubleshot labeling issues and supported guideline improvements • Collaborated with AI/ML teams to refine training datasets

2021 - 2023

Data Entry Associate at Digital Divide Data

OtherDocumentData Collection

You entered, verified, and maintained data with a high level of accuracy to support dataset quality. You conducted regular data audits to identify and rectify errors. You worked with team members to maintain consistent data management practices for downstream use. • Entered and verified data while maintaining high accuracy. • Performed regular data audits and corrected discrepancies. • Collaborated with teams to ensure consistent data handling. • Managed administrative data tasks and resolved data discrepancy inquiries.

Not specified

Data Labelling Associate at Digital Divide Data

CVATTextClassification

You maintained a consistently high level of accuracy while working on labeled data for machine learning training. You performed quality checks to ensure consistency, completeness, and accuracy of the annotations. You collaborated with cross-functional teams to improve training datasets and streamline labeling workflows. • Performed labeling quality assurance and validation against quality metrics. • Troubleshot labeling issues and provided feedback to refine labeling guidelines. • Collaborated with AI/machine-learning teams to improve model performance. • Ensured timely delivery of high-quality labeled datasets.

Not specified

Education

Work History