Oscar Chan
Associate Data Scientist @ Cathay Pacific
About
Associate Data Scientist with 4+ years of experience designing, owning, and productionizing AI/ML solutions across customer service, data governance, and operations. Skilled at translating complex business needs into scalable enterprise AI applications, with hands-on experience in GenAI, LLM agents, RAG, topic modelling, NLP, computer vision, and production ML pipelines.
Hong Kong SAR
New Territories
Computer Software
Docker, Machine Learning, Python, TensorFlow, PyTorch, Linux, Amazon Web Services (AWS), NumPy, Pandas (Software), Robotics, Robot Operating System (ROS), SQL, Java, Keras, Git, Docker Products, Cloud Computing, Computer Vision, Natural Language Processing (NLP), Artificial Intelligence (AI)
Experience
Associate Data Scientist
Cathay Pacific
香港特別行政區
• Developed GenAI complaint analytics using LLMs, BERTopic, embeddings • Built RAG SQL agent for complaint analytics over relational DBs with LangGraph • Built CatBoost data-masking classifier for table fields • Enhanced CatBoost absence forecasting across flight routes
Assistant Software Engineer (AI & Mechatronics)
LSCM R&D Centre
香港特別行政區
• Unified AMR mapping with FastLIO2, ROS for Temi, Lingao, and CAS robots • Airport crowd CV on Jetson Nano; custom data and model finetuning • IR pulse-point detection with PyTorch and ONNX for remote consultations • FastAPI services; Python libs and automation for maps, sync, containers
Postgraduate Researcher
The Hong Kong University of Science and Technology
香港特別行政區
• Deployed TensorFlow/Keras algae image classifier for Hong Kong Water Supplies Department • Raised CV accuracy 16% via PyTorch and MMDetection model optimization • Addressed imbalance with custom GAN-based augmentation using PyTorch and NumPy • Shipped web ML app: 3 min→3 sec per image, 20+ hrs/wk saved; HKIE Best Final-Year Env. Project
Engineer Intern
Paul Y. Engineering Group
香港特別行政區
Assistant Technical Officer
WSP in Asia
Hong Kong
Summer Internship
WSP in Asia
香港特別行政區
Assistant Technical Officer
WSP in Asia
Hong Kong
Education
The Hong Kong University of Science and Technology
Civil Engineering
The Hong Kong University of Science and Technology
Civil and Environmental Engineering
Oscar Chan's Contact Information
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