An AOSP (Android Open Source Project) developer is responsible for developing, enhancing, and maintaining software applications based on Android's open-source platform. Their tasks include customizing the Android OS to meet specific requirements, debugging issues, and ensuring the system's stability and performance. They contribute to the open-source community by sharing their modifications and improvements. They also collaborate with other developers, hardware engineers, and product managers to create user-friendly applications and interfaces. AOSP developers need to keep up-to-date with the latest Android updates and technologies, ensuring their developments align with industry standards.