CJ

Chong Jun Jie

Available to hire

Hi, I’m Chong Jun Jie. I’m an AI data annotation specialist with a strong track record in map services, media (music/video), and image recognition projects.

About

Hi, I’m Chong Jun Jie. I’m an AI data annotation specialist with a strong track record in map services, media (music/video), and image recognition projects. I deliver high-quality, privacy-conscious data work and consistently achieve 90%+ accuracy by applying rigorous attention to detail and strict adherence to SOPs.

I also bring a technical IT/security background and thrive on complex multi-domain projects, collaborating with cross-functional teams to improve data pipelines and outcomes while safeguarding confidentiality.

  • 7 years' experience
  • Joined January 2026

Industry experience

  • Media & Entertainment
  • Software & Internet
  • Computers & Electronics
  • Professional Services
  • Other

More experts in Johor Bahru, Malaysia

Work experience· 4 roles

Freelance AI Optimization Specialist · Self-EmployedJan 2025 – Present · 1 yr 11 mos

Multi-domain data annotation: evaluate and optimize AI model outputs across diverse domains, including digital mapping (navigation), media streaming (music/video), and computer vision (photos).

Internet Researcher (Intern) · Centific Global Solutions (M) Sdn. BhdMay 2024 – Jan 2025 · 9 mos

Performed high-volume data annotation for search relevance projects, verifying factual claims and identity relationships.

Customer Service and Admin Assistant · Ebuy Sdn. BhdDec 2023 – May 2024 · 6 mos

Managed backend product data bases and pricing data, ensuring system consistency.

Head Bartender & Supervisor · Merah Kitchen and BarJun 2019 – Dec 2023 · 4 yrs 7 mos

Education

Bachelor of Information Security · Asia Pacific University (APU)2015 – 2019

Certifications and awards

CompTIA Security+ (SY0-701)2025 – 2026

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