Worked on the foundry-rs/foundry repository to deliver targeted improvements in backend reliability and developer experience. Focused on Rust-based API development and integration, the work included making the Otterscan address-history API genesis-block aware to ensure accurate data retrieval, and enhancing deployment workflows by surfacing warnings when constructor arguments are ignored. Addressed stability by disabling proxy detection and aligning dependencies in the Etherscan client, preventing sandbox crashes. Improved RPC compatibility by accepting string representations of u64 in numeric parameters, and reinforced data integrity through atomic loading of blocks and transactions, leveraging concurrent programming techniques to prevent inconsistent state during reads.