Cristina Manu - Principal Software Engineer, at Microsoft

Cristina Manu

Principal Software Engineer, at Microsoft

Sammamish, Washington, United States

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Summary

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Rockstar

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Top School

Cristina Manu is a Principal Software Engineer with over a decade at Microsoft, blending deep backend expertise in C# and software design with a PhD in Mathematics from the University of Bucharest. She has driven high-impact platform work across NuGet and .NET diagnostics, improving package restoration, transitive dependency handling, and tooling that powers the .NET developer ecosystem. Currently co-leading IDEAS Copilot and architecting a data APIs service for data democratization, she focuses on performance, scalability, and practical onboarding. Her contributions to prominent open-source projects like NuGet.Client and NuGetGallery reflect a knack for fixing subtle runtime and OData issues while removing legacy complexity. Known for pairing rigorous mathematical thinking with pragmatic engineering, she excels at turning complex, large-scale problems into reliable, testable systems.

10 years of coding experience

19 years of employment as a software developer

Doctor of Philosophy - PhD, Mathematics, Doctor of Philosophy - PhD, Mathematics at University of Bucharest

Romanian, English

Github Skills (13)

net10

nuget10

asp-net10

dotnet10

csharp10

xunit10

back-end-development10

odata10

package-management10

msbuild10

dotnet-core10

testing10

dotnet-new8

Programming languages (4)

C#PowerShellHTMLRuby

Github contributions (5)

NuGet/NuGetGallery

Dec 2016 - Jun 2019

NuGet Gallery is a package repository that powers https://www.nuget.org. Use this repo for reporting NuGet.org issues.

Role in this project:

Back-end Developer

Contributions:2 releases, 14 reviews, 75 commits in 2 years 6 months

Contributions summary:Cristina primarily focused on implementing and modifying backend functionalities, specifically within the OData feed service. Their contributions involved whitelisting OData queries, fixing various test issues, and removing legacy code. They also addressed bugs, implemented feature enhancements, and refactored elements related to user account deletion in the system. These modifications suggest a focus on the core functionality and maintenance of the NuGet Gallery backend.

dotnetreportingnuget-gallerypowerscsharp

NuGet/NuGet.Client

Jul 2019 - Oct 2020

Client Tools for NuGet - including Visual Studio extensions, command line tools, and msbuild support. (Open issues on https://github.com/nuget/home/issues)

Role in this project:

Back-end Developer

Contributions:38 reviews, 27 commits, 62 PRs in 1 year 3 months

Contributions summary:Cristina primarily contributed to enhancing the NuGet client tools. Their work focused on resolving issues related to package restoration, particularly in scenarios involving locked mode, runtime identifiers, and central package version management. They implemented changes to improve the handling of transitive dependencies and updated tests to ensure the correct behavior of the NuGet client. Furthermore, the user added support for the IVsTargetFrameworkInfo3.

dotnetnuget-clpackage-managercommand-line-toolsmsbuild

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