Summary
Ghislain Seguin is a Senior Software Engineer with 15 years of experience building robust front-end systems using TypeScript, JavaScript, React and Angular, currently contributing at PayPal from Erie, Colorado. He has a strong track record at major tech teams—Google (Nest, Google Home), Nest Labs, and Jive—where he moved prototypes to production, introduced state management patterns like NgRx/Flux, and owned styling, i18n, analytics and accessibility efforts. Ghislain’s career spans both legacy modernization (refactoring decade-old codebases, modularizing JS, implementing build/bundling pipelines) and product ownership (invitation systems, enrollment flows) across consumer and enterprise web apps. A long-time jQuery Mobile and jQuery project contributor, he has hands-on experience maintaining CDNs and release workflows for widely used frontend libraries. He brings a pragmatic blend of deep front-end craftsmanship and systems thinking, often taking on cross-cutting concerns that improve performance and developer velocity. His background in C and build systems early in his career gives him uncommon fluency across front-end, back-end and build/tooling domains.
15 years of coding experience
22 years of employment as a software developer
Master Information Technology, Master Information Technology at EFREI - Grande école du numérique