CP

CHUNG Po-Long

Available to hire

I am the electrical and mechanical engineer yet skillful in AI training and LLM evaluation

About

I am the electrical and mechanical engineer yet skillful in AI training and LLM evaluation

  • 4 years' experience
  • Joined July 2025

Industry experience

  • Government
  • Computers & Electronics
  • Software & Internet
  • Professional Services
  • Energy & Utilities
  • Education

Work experience· 25 roles

AI Trainer · OneformaJan 2024 – Present · 2 yrs 11 mos

Contributed to data annotation and evaluation for conversational AI models; improved model accuracy through research and fact-checking; collaborated with cross-functional teams to refine model performance with emphasis on context-awareness and user intent recognition; completed AI evaluation protocol training and data labelling in math and coding domains.

AI Trainer · OneformaJan 2024 – Present · 2 yrs 11 mos

Conducted data annotation and evaluation for conversational AI models, ensuring high-quality training datasets for natural language processing (NLP) applications. Applied research and fact-checking skills to validate AI-generated responses, improving model accuracy and reliability. Collaborated with cross-functional teams to refine AI model performance, focusing on context-awareness and user intent recognition. Completed rigorous training in AI evaluation protocols, earning certifications in language proficiency and preference evaluation. Conducted data labelling and evaluation in math and coding domains, enhancing model accuracy.

AI Trainer (Remote freelance) · OneformaJan 2024 – Present · 2 yrs 11 mos

Conducted data annotation and evaluation for conversational AI models, ensuring high-quality training datasets for natural language processing (NLP) applications. Applied research and fact-checking skills to validate AI-generated responses, improving model accuracy and reliability. Collaborated with cross-functional teams to refine AI model performance, focusing on context-awareness and user intent recognition. Completed rigorous training in AI evaluation protocols, earning certifications in language proficiency and preference evaluation. Conducted data labelling and evaluation in math and coding domains, enhancing model accuracy.

AI Trainer · OneformaJan 2024 – Present · 2 yrs 11 mos
AI Trainer · OneformaJan 2024 – Present · 2 yrs 11 mos
AI Trainer (Remote, Freelance) · AppenDec 2023 – Present · 3 yrs
AI Trainer · AppenDec 2023 – Present · 3 yrs
AI Trainer (Remote, freelance) · AppenDec 2023 – Present · 3 yrs

Education· 11

Master of Science · THE UNIVERSITY OF HONG KONG2020 – 2023
Bachelor of Engineering · THE UNIVERSITY OF HONG KONG2015 – 2020
Master of Science · The University of Hong Kong2020 – 2023
Bachelor of Engineering · The University of Hong Kong2015 – 2020

Certifications and awards· 25

ISAAC Language Proficiency Test (Reading, zh-HK)2030 – 2025
ISAAC Language Proficiency Test (Grammar, zh-HK)2030 – 2025
General Preference Evaluation Orientation Certificate (Isaac)2030 – 2025
Search Engine Evaluation Certification2030 – 2025

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