Worked on the dora-rs/dora repository to enhance build feedback reliability and test robustness using Rust and asynchronous programming. Developed robust build output forwarding by merging stdout and stderr streams, enabling clearer and faster feedback during build commands and reducing debugging time. Refactored the asynchronous test suite with Tokio macros, improving readability, maintainability, and async capabilities, which contributed to more stable continuous integration cycles. Focused on stream processing and testing, these changes streamlined the build process and accelerated iteration for the project. The work demonstrated depth in asynchronous Rust development and addressed key pain points in build output handling and test reliability.