Worked on the dashpay/dash-evo-tool and dashpay/platform repositories, focusing on strengthening SPV workflows, secure signing, and CI reliability. Delivered features such as DAPI-based asset lock operations and parallelized contact data loading, while extensively refactoring error handling to replace panics with robust propagation. Improved backend data flows for UI components and optimized CI pipelines using Docker, GitHub Actions, and AWS. Utilized Rust, JavaScript, and YAML to implement event-driven architecture and asynchronous programming patterns. Addressed 39 bugs and shipped 16 features in one month, emphasizing reliability, developer productivity, and maintainability across both backend and frontend components of the platform.