A Google Docs developer is responsible for creating, implementing, and maintaining applications for Google Docs. They work with programming languages like JavaScript, HTML, and CSS to build add-ons and tools that enhance the functionality and user experience of Google Docs. They also troubleshoot and fix bugs, ensuring the software runs smoothly. Additionally, they collaborate with other developers, designers and stakeholders, and adhere to Google’s coding standards and guidelines. They are also tasked with keeping up-to-date with new technologies that could improve the Google Docs platform.