Hi, I’m Joshua Arellano. I’m a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I specialize in linguistic analysis, fact-checking, and training AI models for high-accuracy outputs. I hold a C2 Proficient EF SET certificate and a degree in English from the University of the Philippines Mindanao, combining technical precision with strong communication to improve machine learning data quality. I thrive in freelance and remote settings, partnering with clients to refine messaging and ensure high-quality content. My experience spans customer service for a high-volume hotel and casino account, online journalism, and proofreading, all of which sharpen my ability to deliver accurate, readable text and reliable data for AI systems.

Joshua Arellano

Hi, I’m Joshua Arellano. I’m a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I specialize in linguistic analysis, fact-checking, and training AI models for high-accuracy outputs. I hold a C2 Proficient EF SET certificate and a degree in English from the University of the Philippines Mindanao, combining technical precision with strong communication to improve machine learning data quality. I thrive in freelance and remote settings, partnering with clients to refine messaging and ensure high-quality content. My experience spans customer service for a high-volume hotel and casino account, online journalism, and proofreading, all of which sharpen my ability to deliver accurate, readable text and reliable data for AI systems.

Available to hire

Hi, I’m Joshua Arellano. I’m a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I specialize in linguistic analysis, fact-checking, and training AI models for high-accuracy outputs. I hold a C2 Proficient EF SET certificate and a degree in English from the University of the Philippines Mindanao, combining technical precision with strong communication to improve machine learning data quality.

I thrive in freelance and remote settings, partnering with clients to refine messaging and ensure high-quality content. My experience spans customer service for a high-volume hotel and casino account, online journalism, and proofreading, all of which sharpen my ability to deliver accurate, readable text and reliable data for AI systems.

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Language

English
Fluent
Tagalog
Fluent

Work Experience

English AI Data Annotator
August 1, 2024 - Present
Evaluated and fact-checked complex English prompts for AI training; Annotated large datasets with high precision, meeting strict quality benchmarks and deadlines.
Customer Service Representative at Alorica PHL - Davao
December 1, 2022 - April 1, 2024
Managed high-volume inbound calls for a premier hotel casino account; resolved complex booking issues and coordinated with on-site departments; handled multi-channel reservations and guest data with high precision.
Online Blog News Writer at Self-Employed / Remote
January 1, 2022 - October 1, 2022
Authored SEO-optimized global news articles on technology, bitcoin, and cryptocurrency; published timely content on world events and entertainment under strict editorial deadlines.
English AI Data Annotator at Undisclosed technology firm
August 1, 2024 - December 1, 2025
Evaluated and fact-checked complex English AI prompts for a major technology firm to ensure high-quality training data for LLMs. Annotated large datasets with high precision, consistently meeting strict quality benchmarks and project deadlines.
Online Blog News Writer at Online News Site (Remote)
January 1, 2022 - October 1, 2022
Authored SEO-optimized global news articles covering technology, bitcoin, and cryptocurrency for a high-traffic news site. Published timely content on world events and entertainment, maintaining a rapid daily turnaround under strict editorial deadlines.

Education

Bachelor of Arts in English at University of the Philippines Mindanao
January 11, 2030 - January 19, 2026
Bachelor of Arts in English (Majors: Creative Writing, Comparative Literature, Linguistics) at University of the Philippines Mindanao
January 11, 2030 - February 22, 2026

Qualifications

EF SET Certification - C2 Proficient
January 11, 2030 - January 19, 2026
EF SET C2 Proficient
January 11, 2030 - February 22, 2026

Industry Experience

Media & Entertainment, Professional Services, Software & Internet, Education, Travel & Hospitality