Noe Malzieu developed and enhanced features for the ephemeraHQ/converse-app and xmtp/xmtp-react-native repositories, focusing on in-chat blockchain transaction capabilities and robust message processing. He implemented transactional frames that allow users to trigger, simulate, and confirm blockchain transactions directly within chat, refactoring wallet and chain management using TypeScript and React Native. Noe also improved analytics by adding a ConverseUserAgent header to API requests and modernized Android build systems with Gradle and Kotlin, integrating Sentry for better notification handling. His work addressed stability, reliability, and observability, demonstrating depth in mobile development, API integration, and cross-platform configuration within a short timeframe.