A Google Code developer primarily develops, tests, and maintains software applications aligned with Google's standards and user requirements. They work with various programming languages like Python, Java, or Go, and utilize Google's suite of tools and technologies such as Google Cloud Platform. They collaborate with other developers, product managers, UX designers, and other teams to ensure seamless, functional, and user-friendly software solutions. They also debug, troubleshoot, and improve existing software, ensuring optimal performance and user experience. Besides, they participate in code reviews, maintain documentation, and stay updated with the latest technology trends.