- Built and maintained responsive, high-performance pages using React and Gatsby.js, translating complex Figma designs into production-ready code.- Developed a cashout feature enabling token-to-BCH conversion with a seamless user interface and secure backend integration using Node.js and Electron Cash.- Implemented react-i18next for multilingual functionality and led a community translation effort which enabled non-technical community members to participate in translating the website into their own language.- Maintained the ecosystem’s "Status Server," ensuring high uptime, performance, and accurate data delivery for all dependent applications.- Added key features to a large React SPA and CLI tool, enhancing visibility into the blockchain and empowering advanced users.