Eli Barzilay is an experienced software engineer and adjunct lecturer with 22 years of practice building reliable backend systems, developer tools, and CI/CD pipelines across academia and industry. He has driven modernization efforts at scale—most recently stabilizing payments platforms and shipping containerized AWS services at GoDaddy—and previously led core infrastructure and tooling work at Microsoft, including contributions to the TypeScript compiler and DefinitelyTyped ecosystem. A persistent open-source contributor, Eli has improved type definitions, compiler behavior, and developer workflows in high-profile repos like microsoft/TypeScript and DefinitelyTyped, and has a history of language and tooling work in Racket and Magit. Combining deep research roots (PhD-level training at Cornell) with hands-on production delivery, he blends language-design sensibilities, build-system expertise, and practical DevOps to prevent costly rewrites and improve developer productivity.
22 years of coding experience
30 years of employment as a software developer
PhD Computer Science, PhD Computer Science at Cornell University
BScMSc Computer Science, BScMSc Computer Science at Ben-Gurion University of the Negev
Contributions:6073 commits, 47 comments, 2 issues in 11 years
Contributions summary:Eli contributed to the Racket language repository by making improvements to the parsing and handling of strings and regular expressions. They made various fixes for edge cases, including handling of edge case string literals, and improved the accuracy and behavior of the `string-trim' and `string-normalize-spaces' functions. The user also added features for working with JSON data, including `jsexpr->string' and a `string-replace*' function.
Contributions:15 releases, 105 commits, 257 PRs in 1 year 5 months
Contributions summary:Eli primarily focused on improving the Continuous Integration and Continuous Delivery (CI/CD) pipeline and build processes within the repository. Their commits demonstrate work on enhancing pull request builds by posting GitHub status updates. They also made improvements to the build scripts and version string generation. The user also implemented several fixes and improvements to the cluster installation script.
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Eli Barzilay - Adjunct Lecturer at Northeastern University