A Google Documents developer is a professional who specializes in creating, managing, and enhancing Google Docs applications. Their responsibilities include writing scripts to automate tasks, integrating Google Docs with other platforms, troubleshooting issues, and improving user experience. They utilize Google Apps Script, a JavaScript-based language, to customize Google Docs, Sheets, Slides, and Forms. They also manage document sharing and permissions, create add-ons to extend Google Docs functionality, and ensure the seamless flow of data between systems. Additionally, they work closely with other teams to gather requirements, design solutions, and provide support and training to end-users.