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Hi, I'm Joey Percia, a passionate computer science graduate from the University of California, Riverside. I've gained valuable experience working as an AI Trainer and open-source contributor, honing my skills in Python, JavaScript, and C++. I love building innovative projects like deepfake detection systems and scalable fake news classifiers, blending data science and software engineering. I'm always eager to take on new challenges and expand my knowledge across AI, machine learning, and full-stack development. With hands-on experience deploying applications on AWS and working with big data tools, I am confident in delivering impactful tech solutions.…Hi, I'm Joey Percia, a passionate computer science graduate from the University of California, Riverside. I've gained valuable experience working as an AI Trainer and open-source contributor, honing my skills in Python, JavaScript, and C++. I love building innovative projects like deepfake detection systems and scalable fake news classifiers, blending data science and software engineering. I'm always eager to take on new challenges and expand my knowledge across AI, machine learning, and full-stack development. With hands-on experience deploying applications on AWS and working with big data tools, I am confident in delivering impactful tech solutions.

Joey Percia

AI Engineer, Data Scientist, Developer, +1

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Hi, I'm Joey Percia, a passionate computer science graduate from the University of California, Riverside. I've gained valuable experience working as an AI Trainer and open-source contributor, honing my skills in Python, JavaScript, and C++. I love building innovative projects like deepfake detection systems and scalable fake news classifiers, blending data science and software engineering. I'm always eager to take on new challenges and expand my knowledge across AI, machine learning, and full-stack development. With hands-on experience deploying applications on AWS and working with big data tools, I am confident in delivering impactful tech solutions.…Hi, I'm Joey Percia, a passionate computer science graduate from the University of California, Riverside. I've gained valuable experience working as an AI Trainer and open-source contributor, honing my skills in Python, JavaScript, and C++. I love building innovative projects like deepfake detection systems and scalable fake news classifiers, blending data science and software engineering. I'm always eager to take on new challenges and expand my knowledge across AI, machine learning, and full-stack development. With hands-on experience deploying applications on AWS and working with big data tools, I am confident in delivering impactful tech solutions.

Available to hire

Hi, I’m Joey Percia, a passionate computer science graduate from the University of California, Riverside. I’ve gained valuable experience working as an AI Trainer and open-source contributor, honing my skills in Python, JavaScript, and C++. I love building innovative projects like deepfake detection systems and scalable fake news classifiers, blending data science and software engineering.

I’m always eager to take on new challenges and expand my knowledge across AI, machine learning, and full-stack development. With hands-on experience deploying applications on AWS and working with big data tools, I am confident in delivering impactful tech solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Intermediate

Work Experience

AI Trainer (Independent Contractor) at Outlier

July 1, 2024 - Present

Created practice problems and reference solutions in Python, JavaScript, and C++ to expose large language models to diverse, real-world programming tasks and user queries. Manually tested and debugged AI-generated code, logging logic bugs, edge-case failures, and style issues before submitting detailed feedback. Applied project rubrics to score code for correctness, runtime complexity, and readability.

Open-Source Contributor (Hugging Face Chat UI) at Unify

July 31, 2024 - August 3, 2025

Implemented a settings component and server hook for secure Unify API key storage in Hugging Face Chat UI. Verified the new flow across browsers, filed follow-up issues, and suggested wording tweaks in the README. Collaborated with core maintainers during code review, incorporating feedback on accessibility and error handling.