James Wen is a Senior Site Reliability Engineer with 13 years of experience building and operating cloud-native infrastructure, currently on Netflix's CORE team. He blends deep expertise in distributed systems, Kubernetes, and developer productivity with hands-on reliability work at scale from roles at Spotify, Pinterest, and CNCF leadership. A Georgia Tech MS in Computer Science (Machine Learning) complements his operational focus, enabling data-informed approaches to incident reduction and tooling. James is an active open-source contributor across high-profile projects like Bundler and Resque, where he has improved stability, error handling, and test coverage. He has substantial buildpack and CI/CD experience from Cloud Foundry work, reflecting a knack for making deployment pipelines more robust. Outside of work he’s an obsessive climber—an intensity that shows up in his meticulous, endurance-minded approach to reliability engineering.
13 years of coding experience
11 years of employment as a software developer
Master of Science (MS) Computer Science, Master of Science (MS) Computer Science at Georgia Institute of Technology
John P. Stevens High School
Bachelor of Arts (B.A.) Computer Science, Bachelor of Arts (B.A.) Computer Science at Columbia University
Contributions:70 commits, 2 PRs, 85 pushes in 11 months
Contributions summary:James primarily focused on maintaining and updating the Cloud Foundry PHP buildpack. Their contributions involved updating dependencies like Machete and buildpack-packager. They also implemented features such as allowing the specification of 'none' for the web server configuration, and backfilled integration tests. In addition, they made improvements to the build process and resolved issues.
Cloud Foundry buildpack for Ruby, Sinatra and Rails
Role in this project:
Back-end & DevOps Engineer
Contributions:57 commits, 94 pushes, 30 branches in 11 months
Contributions summary:James primarily contributed to the maintenance and updates of the `ruby-buildpack` repository, focusing on dependency updates and CI/CD improvements. They updated dependencies such as `machete`, `buildpack-packager` and `bundler` to their latest versions, ensuring the buildpack utilizes the most current software versions. They also implemented and refined integration tests, including the addition of integration tests and refactoring existing tests.
foundrysinatrarailscloud-foundryv2b
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James Wen - Senior Site Reliability Engineer at Netflix