Over a two-month period, contributed targeted improvements to both deployment reliability and front-end performance across two major repositories. In bitcoin/bitcoin, addressed macOS deployment issues by updating the macdeployqtplus script to conditionally configure Qt translations only when the translations directory exists, reducing build failures and streamlining the release process. For layer5io/layer5, integrated PurgeCSS into the Gatsby build pipeline using JavaScript, optimizing CSS by removing unused rules and surfacing rejected selectors for ongoing refinement. Demonstrated proficiency in build systems, scripting, and front-end development, leveraging both JavaScript and Python to deliver measurable enhancements in deployment stability and site performance.