Summary
Ruey-cheng Chen is a Machine Learning Engineer based in Melbourne with 18 years of experience specializing in NLP, information retrieval, and search/recommender systems. He has moved research into production across roles at RMIT, Academia Sinica, SEEK, and currently Canva, building neural ranking, counterfactual evaluation, query suggestion, and cascade ranking solutions. His work blends academic rigor (PhD-level research in question answering and learning-to-rank) with practical engineering for large-scale, user-facing systems. Notable strengths include domain adaptation for usability, bias correction toward fresh content, and cost-aware cascaded ranking—areas that show he optimizes for both quality and operational efficiency. He maintains a publication track record and resources at rueycheng.com, reflecting ongoing engagement with the research community. His profile signals a practitioner who bridges cutting-edge IR research and product-impactful ML engineering.
18 years of coding experience
5 years of employment as a software developer
PhD, Computer Science and Information Engineering, PhD, Computer Science and Information Engineering at National Taiwan University