Worked on the 0xPolygonMiden/miden-base repository to optimize the build system by addressing inefficiencies in the build script. Focused on Rust-based build scripting, the developer removed redundant rerun-if-changed directives related to kernel error files, ensuring that incremental builds only trigger when relevant inputs change. This targeted fix reduced unnecessary rebuilds, leading to faster build times and lower CI resource consumption. By refining the build process, the work improved developer velocity and made iteration cycles more efficient. The approach emphasized correctness and reliability, leveraging Rust and build scripting expertise to enhance the overall stability and predictability of the incremental build workflow.