Michael Davis developed a dynamic backend selection feature for the NVIDIA/Fuser repository, enabling runtime switching between the Host IR JIT and Evaluator backends. He approached this by updating the build system to always link against LLVM, specifically requiring LLVM 18.1 or newer, and simplifying configuration by removing the NVFUSER_HOST_IR_JIT CMake flag. This change streamlined runtime configuration and improved backend reliability, allowing broader support for different environments. Michael’s work involved C++ development, CMake build system modifications, and deep integration with LLVM. The feature was delivered as a single, well-scoped commit, reflecting focused engineering and a clear understanding of runtime system requirements.