An developer is responsible for designing, coding, and modifying software applications or specialized utility programs for architecture. They write efficient codes based on specific requirements, ensuring the best performance and user experience. They also debug programs, fix errors, and enhance system performance. The developer often collaborates with other team members to determine system requirements and functionalities. They also manage versioning and code deployments. Understanding of low-level programming, hardware constraints, and computing architecture is crucial for this role. They also need to be skilled in ARM assembly language and embedded systems.