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Samuel J.

Samuel J.

Freelance Research and Data Management Assistant (Data categorization & quality control)

Nigeria flagRemote, Nigeria

Key Skills

Software

Don't disclose
Other

Top Subject Matter

Online research and dataset management for AI/data annotation workflows
Independent AI and data annotation practice

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification

Freelancer Overview

Freelance Research and Data Management Assistant (Data categorization & quality control). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Bachelor of Engineering, University of Uyo (2025). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Freelance Research and Data Management Assistant (Data categorization & quality control)

Don't discloseTextTextClassificationClassification

Organized and verified structured datasets by categorizing information according to project guidelines and requirements. Ensured data quality through duplicate removal, inconsistency checks, and completion reviews before delivery. Maintained accurate labeling outputs to support downstream research and analysis tasks. • Conducted online research to compile information for structured datasets • Applied guideline-based categorization and record consistency checks • Removed duplicate and inconsistent records to improve labeling quality • Performed quality control reviews prior to deadline-based submission

2023 - Present

AI Training and Data Annotation Trainee (Self-Practice) - Freelance Research and Data Management Assistant

TextTextClassificationClassification

Completed self-directed practice focused on data annotation concepts and AI training workflows for personal skill development. Worked through tasks such as text classification, sentiment analysis, and content labeling while applying guidelines to ensure consistency. Performed quality checks on labeled outputs to identify and correct errors and strengthen machine learning data preparation familiarity.• Practiced text classification, sentiment analysis, and content categorization• Applied annotation guidelines for consistent labeling• Performed quality checks to identify and correct labeling errors• Built familiarity with machine learning data preparation processes

2023 - 2025

Independent AI and Data Annotation Practice (Text classification, sentiment labeling, quality checks)

OtherTextText

Performed self-directed AI and data annotation practice using common annotation tasks and guideline-driven labeling. Practiced text classification and sentiment analysis while applying quality-check steps to labeled datasets. Conducted iterative error identification and correction to improve consistency and accuracy of annotations. • Completed training in data annotation concepts and AI training workflows • Practiced text classification and sentiment analysis labeling • Applied annotation guidelines for consistency and accuracy • Performed quality checks to identify and correct labeling errors

2023 - 2025

Education

U

University of Uyo

Bachelor of Engineering, Engineering

Bachelor of Engineering
2025

Work History

F

Freelance Research and Data Management Assistant

Research and Data Management Assistant (Freelance)

Remote
2023 - Present
F

Freelance Research and Data Management Assistant

AI Training and Data Annotation Trainee (Self-Practice)

Remote
2023 - 2025