Chris Davis contributed targeted optimizations and reliability improvements to open source C++ projects over a two-month period. For libsdl-org/DirectXShaderCompiler, Chris refactored the llvm::StringRef constructor and related static constants to use constexpr, reducing build times and binary size by eliminating non-trivial static initializers. In Esri/abseil-cpp, Chris enhanced Windows stack trace capture for UWP by removing a global static function pointer and dynamic loading, instead using CaptureStackBackTrace directly. This change improved startup performance and crash reporting reliability. Chris applied expertise in C++, build systems, and Windows API, demonstrating depth in system programming and compiler development through focused, maintainable solutions.