Contributed to the Granola-Team/mina-indexer and rescript-lang/rescript repositories by delivering features and fixes that improved reliability, developer experience, and release governance. Enhanced genesis ledger initialization with robust error handling and logging in Rust, streamlined local development through deployment automation, and expanded test coverage for token symbol parsing. Simplified codebases by removing legacy paths and unused implementations, while also improving onboarding with clear documentation in Markdown. In rescript-lang/rescript, stabilized the build process by handling non-UTF-8 compiler output and introduced changelog requirements for user-facing changes. Demonstrated strengths in backend development, scripting, and project management across JSON, Rust, and Shell environments.