Yoann Lecuyer is a hands-on software engineering leader with 12 years of experience, currently leading the Engage Digital team at RingCentral from Paris. He blends team leadership with deep full-stack and back-end expertise, shipping reliable HTTP, .NET, and cross-platform features while keeping a close eye on test automation and performance. A seasoned open-source contributor, he has fixed and enhanced projects ranging from ungit and CefSharp to core .NET repos like dotnet/runtime and aspnetcore, demonstrating comfort with both browser/WASM networking and tooling ecosystems such as NuGet and Playwright. His background includes mobile app delivery, infrastructure and WiFi deployments for a government ministry, and a history of freelance backend and e-commerce integrations—showing he moves easily between product, ops, and code. Practically minded and detail-oriented, he often focuses on robustness (streaming/http handling, parser correctness) and developer experience improvements that are easy to overlook. Fluent in cross-disciplinary collaboration, he pairs engineering rigor with an appetite for understanding domain problems end-to-end.
12 years of coding experience
5 years of employment as a software developer
Engineer's degree, Computer Engineering, Engineer's degree, Computer Engineering at Ecole nationale supérieure des Mines de Saint-Etienne
Mathematics, physics and engineering sciences, Mathematics, physics and engineering sciences at Lycée Victor-Grignard
Create, update and deploy Nuget Packages with a GUI
Role in this project:
Full-stack Developer
Contributions:9 reviews, 101 commits, 78 PRs in 6 years 8 months
Contributions summary:Yoann primarily focused on enhancing the user interface and functionality of the NuGet Package Explorer. Their commits show a strong emphasis on improving the display of package information, including published dates and download counts, and the use of Humanizer library for date formatting. They also addressed code issues, such as unescaping zip file names and supporting NuGet v3 feeds, demonstrating a range of skills across front-end, back-end, and potentially packaging.
The easiest way to use git. On any platform. Anywhere.
Role in this project:
Full-stack Developer
Contributions:20 releases, 28 reviews, 308 commits in 8 years 11 months
Contributions summary:Yoann primarily contributed to bug fixes and feature enhancements within the ungit project. They addressed issues related to parsing git logs and submodules, fixing commit title word wrapping and resolving issues related to file separators. Furthermore, the user implemented code changes to support git protocol in URLs and improve the handling of credential helpers within the application. The user also added tests to improve the quality of the project.
version-controljavascriptlibgit2anywherenodejs
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Yoann Lecuyer - Team Lead Engage Digital at RingCentral