Over a two-month period, contributed backend and CLI development across flashbots/rbuilder, scroll-tech/reth, and chainbound/bolt, focusing on maintainability, reliability, and developer experience. In rbuilder, implemented automated BLS address generation and relay secret key creation, streamlining cryptographic identity setup and configuration management using Rust. Enhanced bolt by overhauling operator registration expiry logic to use dynamic UTC-based calculations and improved error handling for priority fee validation, providing clearer user feedback. Refactored reth to standardize BlockWithSenders construction, improving code quality and test coverage. Work emphasized robust error handling, documentation, and gas optimization, leveraging Rust and Markdown to support smart contract workflows.