Jiandong Cao is a senior software engineer with 13 years of experience in large-scale distributed systems and PaaS architecture, currently driving engineering at 今日头条 in Haidian, Beijing. Previously at Baidu he led the design and growth of the company’s largest private cloud (ORP), evolving a small core team into a cross-product platform supporting daily traffic at billion-scale across multiple flagship services. He blends hands-on architecture and coding with team leadership and product-aligned requirement control, specializing in building internal platforms that serve other engineering teams. A software engineering bachelor from Northeastern University, he has deep expertise in platform-level scalability and operationalizing complex internal services—skills honed by owning both technical vision and execution across high-traffic systems.
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