John Z is a seasoned engineering leader with 11 years of experience driving large-scale AI, data and platform initiatives across startups and global tech companies. Currently Head of Engineering at Regie.ai, he has a track record of scaling teams and systems—most recently expanding engineering orgs and building GAI platforms that accelerated development by up to 80%. His prior roles include architecting Coupang’s cross-region AI+Data platform and leading Ads R&D at Weibo where his teams grew revenue from $400M to $1.5B through large-scale ML and streaming systems. A hands-on technologist who enjoys Haskell, he has repeatedly delivered migrations and platform transformations that saved millions and thousands of engineering-years of effort. Equally comfortable founding startups and leading M&A integrations, he blends entrepreneurial grit with deep systems and AI engineering expertise. Based in the Greater Seattle Area, he pairs strategic vision with an appetite for practical, performance-driven engineering.
11 years of coding experience
20 years of employment as a software developer
Arizona State University
Master's degree, Master's degree at Nanjing University
Contributions:14 commits, 24 pushes, 4 branches in 11 months
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