A C Objective developer is responsible for designing and developing robust, high-performance applications and systems using Objective-C language. Their tasks include writing clean and maintainable code, debugging and resolving technical issues, and integrating user-facing elements with server-side logic. They often work on iOS applications, collaborating with cross-functional teams to define, design, and ship new features. They also ensure the performance, quality, and responsiveness of applications, and identify and correct bottlenecks and fix bugs. Furthermore, they are involved in maintaining code quality, organization, and automatization, and continuously discover, evaluate, and implement new technologies to maximize development efficiency.