Yicheng Guo

Yicheng Guo is a Senior Machine Learning Engineer at REA Group, delivering AI features for Australia’s largest property portal, realestate.com.au. He previously worked at Google and spent a decade in DevOps/SRE and systems engineering, specialising in productionising and scaling AI products to millions of users with a focus on reliability and security.

At REA, Yicheng led engineering for generative AI features, agentic systems, and image-processing pipelines, and helped build the evaluation stack that enables safe deployment to millions of property seekers. He prioritises practical, production-grade solutions over theory.

Yicheng regularly shares lessons from deploying AI at scale through internal and external conferences.