Worked on the bazelbuild/rules_rust repository to implement a performance optimization feature for Cargo build scripts, focusing on enabling targeted resource usage in multi-core and remote execution environments. Leveraging Bazel and Rust, introduced the ability to configure exec_properties through crate annotations, allowing cargo_build_script rules to specify execution requirements for improved build throughput. This approach laid the foundation for broader exec_properties-driven optimizations within rules_rust, supporting scalable builds for large Rust crates. The work addressed the need for efficient CI and build performance, particularly in environments utilizing high-performance hardware or remote build execution, and demonstrated depth in build systems engineering.