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J
James A.

James A.

Data Annotator — Appen (Data Labeling, Data Quality Control)

Nigeria flaglagos, Nigeria

Key Skills

Software

AppenAppen
TelusTelus

Top Subject Matter

General multi-modal data (text, image, audio, video) annotation per role summary
Search engine evaluation and rating
Data annotation and documentation

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotator — Appen (Data Labeling, Data Quality Control). Core strengths include Appen, Telus, and Expertia Ai. Education includes Merit, Nasarawa State University Keffi (2018). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Data Annotator — Expertia Ai/Chennai

TextTextClassificationClassification

Worked as a Data Annotator performing accurate labeling according to predefined guidelines. Documented annotation processes, rules, and best practices for reference and training purposes. Ensured comprehensive documentation to support future annotation consistency. • Accurately label data per guideline specifications • Document processes, guidelines, and best practices • Maintain clear and comprehensive annotation documentation • Support reference and training for quality consistency

2024 - 2025
Telus

Search Engine Evaluator — Telus

TelusTelusTextText

Served as a Search Engine Evaluator focused on assessing search-related outputs. Performed evaluation tasks to rate relevance and quality according to provided criteria. Contributed to improving search and retrieval performance through systematic judgment. • Evaluate and rate search results • Apply rating criteria and guidelines • Ensure consistent relevance judgments • Conduct quality checks on evaluations

2023 - 2024
Appen

Data Annotator — Appen (Data Labeling, Data Quality Control)

AppenAppenTextTextClassificationClassification

Worked as a Data Annotator performing data labeling and quality control tasks. Followed predefined guidelines to label and classify data accurately. Supported consistent annotation outputs through attention to detail and quality checks. • Data labeling and classification per specifications • Data quality control and validation • Accurate annotation with guideline adherence • Attention to detail and analytical verification

2022 - 2023

Education

N

Nasarawa State University Keffi

Merit, Computer Science

Merit
2018 - 2018

Work History

C

Company not specified

Data Annotation

Location not specified
Not specified