Worked on backend development for the gitbutlerapp/gitbutler repository, focusing on optimizing startup performance by implementing environment-variable gating for Tokio Console instrumentation. Used Rust to introduce a configurable pathway that disables the ConsoleLayer by default, thereby reducing unnecessary disk I/O and gRPC overhead for all users. This approach allows targeted debugging through the GITBUTLER_TOKIO_DEBUG environment variable, enabling instrumentation only when needed and minimizing production impact. The work centered on enhancing resource efficiency and providing flexibility for developers, leveraging Rust’s concurrency features and backend best practices to deliver a maintainable solution that improves both performance and operational control in production environments.