Worked on the temporalio/sdk-core repository to optimize the Prometheus dependency footprint by disabling default features in the Prometheus crate. This approach prevented the inclusion of protobuf as a transitive dependency, reducing the overall dependency surface and improving build performance. The change addressed potential risks associated with unnecessary protobuf integration, streamlining the project’s dependency management. Implementation involved careful modification of TOML configuration files and a strong understanding of Rust’s package ecosystem. The work demonstrated focused engineering on dependency optimization, leveraging skills in Rust and dependency management to deliver a targeted improvement without introducing new features or addressing bug fixes.