Worked on enhancing cross-platform process management in the vectordotdev/tokio repository by developing a new API, Command::spawn_with, for tokio::process::Command. This addition enables developers to specify custom child-process attributes, particularly improving compatibility and flexibility on Windows systems. The approach focused on minimizing the API’s surface area while providing clear benefits for orchestration of child processes in concurrent Rust applications. Maintenance tasks included updating internal helpers and the spellcheck dictionary to support the new functionality and maintain code quality. The work demonstrated skills in Rust, system programming, and API design, with an emphasis on robust, maintainable cross-platform solutions.