Ellis Weng is a Senior Software Engineer based in San Francisco with eight years of professional experience building production software at LinkedIn after earlier roles at Goldman Sachs. He brings deep iOS and cross-platform UI experience, evidenced by contributions to the widely used LayoutKit library where he improved Objective-C compatibility, builder flexibility, and API ergonomics. At LinkedIn he has progressed from SlideShare-focused engineering to senior-level responsibilities, combining front-end mobile craftsmanship with robust backend understanding. A Cornell-trained computer scientist with both BS and MS degrees, he blends strong academic foundations with practical iterations on open-source tooling. Notably, his work tends to refine developer-facing APIs and platform interop—small changes that materially improve long-term maintainability and adoption.
8 years of coding experience
3 years of employment as a software developer
Bronx High School of Science
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Cornell University
LayoutKit is a fast view layout library for iOS, macOS, and tvOS.
Role in this project:
Mobile Developer (iOS)
Contributions:9 commits, 14 PRs, 6 pushes in 2 months
Contributions summary:Ellis primarily contributed to the LayoutKit library by making changes to the Objective-C support files, and builders, suggesting a focus on enhancing the framework's capabilities for iOS development. Their commits involved adding flexibility options, refactoring configurations, and adjusting nullability settings within the builder classes. These modifications appear to refine the API and enhance the flexibility of the library.
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