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John Alan

John Alan

Data Rater - Technology & Internet

USA flag
Houston, Usa
$100.00/hrExpertAppen

Key Skills

Software

AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
VideoVideo

Top Label Types

Segmentation
Point Key Point
Entity Ner Classification

Freelancer Overview

I am a detail-oriented data rater and quality analyst with hands-on experience in data annotation, relevance assessment, and structured data validation for AI training projects. My background includes evaluating model outputs for accuracy, performing usability and functional testing for web and mobile applications, and contributing to quality review tasks across multiple domains. With a Bachelor’s degree in Computer Science and a solid understanding of artificial intelligence concepts, I am skilled in analytical thinking, bug reporting, and quality assurance testing. I am proficient in using Microsoft Office, Google Workspace, and basic Python, and I am committed to delivering high-quality, consistent results in remote environments.

ExpertEnglishFrench

Labeling Experience

Appen

Mendota

AppenVideoEntity Ner Classification
The Mendota project at Appen is typically a data labeling and annotation project.

The Mendota project at Appen is typically a data labeling and annotation project.

2025 - 2025
Appen

Anacostia

AppenAudioPoint Key Point
The purpose of the project is to collect audios to improve speech recognition

The purpose of the project is to collect audios to improve speech recognition

2024 - 2025
Appen

kanyaru project

AppenAudioSegmentation
The Kanyaru project involved evaluating and improving AI-generated content to enhance model accuracy, relevance, and safety. Responsibilities included reviewing model responses, rating output quality based on detailed guidelines, and identifying factual errors, bias, or policy violations. The role required strong analytical skills, attention to detail, and consistent adherence to project standards.

The Kanyaru project involved evaluating and improving AI-generated content to enhance model accuracy, relevance, and safety. Responsibilities included reviewing model responses, rating output quality based on detailed guidelines, and identifying factual errors, bias, or policy violations. The role required strong analytical skills, attention to detail, and consistent adherence to project standards.

2023 - 2024

Education

A

Amberton University

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2025

Work History

A

APPEN

QA Tester ,AI Trainer / Rater,Linguistic & Language Data Projects

Houston
2022 - 2025