Eduardo contributed to the Telefonica/webview-bridge repository by implementing configurable parameter sanitization for the setScreenName API. He designed the feature to allow developers to disable default sanitization for parameters while ensuring that screenName sanitization remained active, maintaining both flexibility and security. This approach aligned with existing API usage patterns, making integration straightforward for current clients. Eduardo utilized JavaScript and TypeScript, drawing on his experience in API integration, frontend, and mobile development. The work was delivered as a single, focused feature, demonstrating a targeted solution to a specific need without introducing unnecessary complexity or changes to the broader codebase.