Julien Brianceau
Software Development Engineer at Microsoft
Greater Paris Metropolitan Region France
Summary
🤩
Rockstar🎓
Top SchoolJulien Brianceau is a seasoned Software Development Engineer with 13 years of experience specializing in low-level, middleware and embedded systems across MIPS, SH4, ARM and x86 architectures. He designs and optimizes JITs, macro assemblers and kernel-level components, with notable open-source contributions to Qt (including enabling MIPS JIT in the QML engine) and protocolbuffers that demonstrate strong systems and portability expertise. At Microsoft and previously Cisco and NDS he has shipped set-top box and browser integrations, Yocto/meta-qt5 build optimizations, and platform-specific compiler and licensing improvements. Comfortable across C/C++, assembly and build systems, he blends deep performance tuning with pragmatic DevOps work to speed builds and harden cross-platform tooling. An uncommon strength is his history of shipping JIT and JavaScriptCore enhancements on niche architectures, reflecting rare low-level craftsmanship in mainstream projects.
13 years of coding experience
9 years of employment as a software developer
MPSI, MPSI at Lycée PothierDEUG, MIAS, DEUG, MIAS at Université des Sciences et Techniques du Languedoc (Montpellier II)Master 1, Computer Science / Networks, Master 1, Computer Science / Networks at Pierre and Marie Curie UniversityIngénieur, Specialized in security (networks and embedded systems), Ingénieur, Specialized in security (networks and embedded systems) at Telecom ParisTech
French, English
Github Skills (32)
assembly10
c-language10
licensing10
qt10
xaml10
marshalling10
protocol-buffers10
atomics10
uwp10
winui10
build-system10
windows-app-sdk10
atomic10
compile10
dotnet-core10
Programming languages (8)
Github contributions (5)
CommunityToolkit/WindowsCommunityToolkit
Feb 2021 - Jun 2021
The Windows Community Toolkit is a collection of helpers, extensions, and custom controls. It simplifies and demonstrates common developer tasks building .NET apps with UWP and the Windows App SDK / WinUI 3 for Windows 10 and Windows 11. The toolkit is part of the .NET Foundation.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 6 commits, 2 PRs in 3 months
Contributions summary:Julien primarily focused on implementing features and fixing issues related to the UI components of the Windows Community Toolkit, specifically within the context of UWP and WinUI 3 applications. Their commits include adding new behaviors like `AutoSelectBehavior`, which enhances user interaction within text boxes. They also contributed to sample applications to demonstrate the functionality of these new behaviors, and they addressed typos to maintain code quality.
mvvmwindows-sdkc-sharpcustom-controlswindows-10
protocolbuffers/protobuf
Oct 2016 - Dec 2016
Protocol Buffers - Google's data interchange format
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 PRs, 28 comments, 2 issues in 1 month
Contributions summary:Julien primarily focused on fixing compilation errors and enhancing the robustness of the protobuf library. They addressed issues related to missing includes and incorrect symbol exports within the C++ codebase, ensuring proper linking and functionality. Significant changes involved improving atomic operations for different architectures and fixing the handling of static initializers. Furthermore, the user made improvements to include and export statements.
protocol-buffersrpcgoogle-protocol-buffersinterchange-formatmarshalling
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