Lee-ming Zen
Chief Technology Officer at Yahoo
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolLee-ming Zen is a seasoned technology executive and current CTO at Yahoo with eight years in senior engineering leadership roles driving large, geo-distributed teams and mission-critical cloud infrastructure. He blends deep technical fluency—having contributed to notable open-source projects like Pulumi’s Python SDK and tests—with strategic vision for ML, data mining, and platform foundations that accelerate product feedback loops. His background spans leading Route 53 at AWS to building MLOps, experimentation, and customer-data platforms at HelloFresh, demonstrating a rare mix of operational rigor and product-focused systems thinking. A hands-on leader who still dives into code, he has repeatedly scaled highly available services and improved test coverage and developer experience in production-grade cloud tooling. Based in Seattle and grounded in Stanford CS degrees, he pairs entrepreneurial instincts from multiple startups with enterprise-scale delivery experience.
8 years of coding experience
20 years of employment as a software developer
Crystal Springs UplandsBS, Computer Science, BS, Computer Science at Stanford University
Chinese, Spanish
Github Skills (13)
python10
cloud-computing10
testing10
sdk9
go7
azure6
microsoft-azure6
aws6
kubernetes-pods5
typescript-types5
typescripts5
typescript5
kubernetes5
Programming languages (12)
Github contributions (5)
pulumi/pulumi
Feb 2020 - Apr 2020
Pulumi - Infrastructure as Code in any programming language 🚀
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:52 reviews, 7 commits, 51 PRs in 1 month
Contributions summary:Lee-ming contributed to the Pulumi infrastructure-as-code project by fixing a test related to project name matching. They also worked on serializing custom timeouts within the Python SDK, incorporating an integration test for these timeouts. In addition, the user implemented regression tests for StackReference in the Python SDK, improving the test coverage and functionality.
infrastructure-as-codeprogramming-languagepulumiserverlesscontainers
pulumi/qcon-workshop
Nov 2020 - Oct 2021
QCon London Workshop
Contributions:11 PRs, 12 pushes, 6 branches in 11 months
workshop
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.