A Google Drive developer works on creating, implementing, and maintaining applications, tools, and features for Google Drive, Google's cloud-based storage service. They use various programming languages like Java, Python, and JavaScript to develop and enhance the platform's functionality. Their responsibilities may also include integrating Google Drive with other services, ensuring data security, troubleshooting issues, and improving user interface and experience. They also work closely with other team members to ensure the platform is user-friendly and meets the necessary performance standards. They must stay updated with the latest technological trends to make Google Drive more efficient and effective.