Worked on backend maintenance and optimization for the paradigmxyz/reth repository, focusing on streamlining the Rust codebase and improving long-term maintainability. Over two months, contributed targeted refactors by removing the unused reth-ethereum-forks dependency and the once_cell_set utility from the chainspec module. These changes reduced build complexity, improved cargo resolution, and simplified the codepath, paving the way for faster builds and easier future development. Demonstrated disciplined dependency management and backend development skills in Rust, collaborating effectively through standards-compliant pull requests. The work emphasized code cleanliness and maintainability, addressing technical debt without introducing user-facing features or explicit bug fixes.