Hi there! I'm Joshua Arellano, a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I excel at linguistic analysis, fact-checking, and helping train AI models to achieve high-accuracy outputs. I hold a C2 Proficient EF SET certification and a degree in English from the University of the Philippines Mindanao, which blends technical precision with strong communication to improve machine learning data quality. Hi, I’m passionate about turning complex information into clear, accessible content and ensuring AI training data is accurate and reliable. I enjoy collaborating across teams and continuously learning new tools to raise data quality and user experience.

Joshua Arellano

Hi there! I'm Joshua Arellano, a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I excel at linguistic analysis, fact-checking, and helping train AI models to achieve high-accuracy outputs. I hold a C2 Proficient EF SET certification and a degree in English from the University of the Philippines Mindanao, which blends technical precision with strong communication to improve machine learning data quality. Hi, I’m passionate about turning complex information into clear, accessible content and ensuring AI training data is accurate and reliable. I enjoy collaborating across teams and continuously learning new tools to raise data quality and user experience.

Available to hire

Hi there! I’m Joshua Arellano, a detail-oriented English professional with over 3 years of experience in data annotation and BPO operations. I excel at linguistic analysis, fact-checking, and helping train AI models to achieve high-accuracy outputs. I hold a C2 Proficient EF SET certification and a degree in English from the University of the Philippines Mindanao, which blends technical precision with strong communication to improve machine learning data quality.

Hi, I’m passionate about turning complex information into clear, accessible content and ensuring AI training data is accurate and reliable. I enjoy collaborating across teams and continuously learning new tools to raise data quality and user experience.

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Experience Level

Intermediate
Intermediate
Intermediate
Intermediate

Language

English
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.

Education

Bachelor of Arts in English at University of the Philippines Mindanao
January 11, 2030 - January 19, 2026

Qualifications

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

Industry Experience

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