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Emmanuel Alonge

Emmanuel Alonge

AI Data Contributor / Data Annotation Specialist

NIGERIA flag
Lagos, Nigeria
$25.00/hrIntermediateOtherClickworkerAppen

Key Skills

Software

Other
ClickworkerClickworker
AppenAppen
Data Annotation TechData Annotation Tech
LabelboxLabelbox
MercorMercor
Micro1

Top Subject Matter

General AI Datasets
Text AI Output Evaluation
AI System Data Quality Assessment

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Classification
Bounding Box
Text Generation
Text Summarization
Question Answering
Object Detection
Transcription
Evaluation Rating
Data Collection
Prompt Response Writing SFT
Polyline
Cuboid
Fine Tuning

Freelancer Overview

AI Data Contributor / Data Annotation Specialist. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Ibadan (2025) and Certification, ALX Africa (2024). AI-training focus includes data types such as Text and Structured and labeling workflows including Classification, Evaluation, and Rating.

IntermediateEnglishYoruba

Labeling Experience

Data & Text Evaluation Specialist (Freelance)

OtherText
Reviewed and evaluated large volumes of text outputs for clarity, correctness, and consistency. Used defined quality metrics and project rules to assess and rate AI-generated content. Detected subtle errors, edge cases, and provided comprehensive feedback for continuous improvement. • Performed output evaluation using detailed metrics • Identified subtle formatting and accuracy issues • Supplied clear and structured feedback for model training • Supported ongoing quality enhancements in text datasets

Reviewed and evaluated large volumes of text outputs for clarity, correctness, and consistency. Used defined quality metrics and project rules to assess and rate AI-generated content. Detected subtle errors, edge cases, and provided comprehensive feedback for continuous improvement. • Performed output evaluation using detailed metrics • Identified subtle formatting and accuracy issues • Supplied clear and structured feedback for model training • Supported ongoing quality enhancements in text datasets

2023 - Present

AI Data Contributor / Data Annotation Specialist

OtherTextClassification
Annotated and validated diverse text, image, and structured data according to strict project guidelines. Ensured accuracy and consistency by rigorously following annotation standards and quality requirements. Corrected errors, missing values, and inconsistencies within datasets while maintaining reliability over high-volume annotation tasks. • Applied detailed annotation instructions to multiple data types • Conducted classification and quality review checks • Maintained meticulously high accuracy on repetitive tasks • Improved dataset integrity through error correction

Annotated and validated diverse text, image, and structured data according to strict project guidelines. Ensured accuracy and consistency by rigorously following annotation standards and quality requirements. Corrected errors, missing values, and inconsistencies within datasets while maintaining reliability over high-volume annotation tasks. • Applied detailed annotation instructions to multiple data types • Conducted classification and quality review checks • Maintained meticulously high accuracy on repetitive tasks • Improved dataset integrity through error correction

2025 - 2026

Data Quality & Systems Analyst

Other
Reviewed structured and unstructured datasets for completeness, accuracy, and quality of AI outputs. Conducted meticulous quality checks and tested systems for consistent results. Documented findings to drive improvements in data quality and AI performance. • Performed comprehensive data validation and integrity checks • Evaluated and cross-verified AI-generated results • Identified inconsistencies and system failures through review • Developed documentation supporting quality improvements

Reviewed structured and unstructured datasets for completeness, accuracy, and quality of AI outputs. Conducted meticulous quality checks and tested systems for consistent results. Documented findings to drive improvements in data quality and AI performance. • Performed comprehensive data validation and integrity checks • Evaluated and cross-verified AI-generated results • Identified inconsistencies and system failures through review • Developed documentation supporting quality improvements

2023 - 2025

Education

U

University of Ibadan

Bachelor of Science, Mechanical Engineering

Bachelor of Science
2020 - 2025
A

ALX Africa

Certification, Data Analytics

Certification
2024 - 2024

Work History

C

CourierPoint Limited

Data Quality & Systems Analyst

London
2023 - 2025