Hiring a FreeRTOS developer offers several advantages. For starters, these developers are well-versed in this real-time operating system that is compact, efficient, and robust. They can develop and manage complex embedded systems that require real-time processing, which is essential in industries such as automotive, aerospace, and IoT.

One of the key benefits of a FreeRTOS developer is their ability to optimize system resources. FreeRTOS is designed for constrained environments, so developers can create systems that are highly efficient in terms of memory and processor usage. These developers are also skilled in multitasking, enabling them to handle multiple processes simultaneously, thus improving system responsiveness.

FreeRTOS developers are adept at ensuring system reliability and stability. They can implement features like task prioritization and inter-task communication, which are crucial for system performance and reliability. Plus, they are experienced in handling system errors and failures, thereby enhancing system resilience.

Additionally, FreeRTOS developers can provide valuable insights into system design and architecture, thanks to their deep understanding of real-time systems. They can help to identify potential bottlenecks and implement solutions to improve system performance.

Finally, as FreeRTOS is open-source, these developers can leverage a vast community of peers for problem-solving, innovation, and continuous improvement. This can lead to better product quality and faster time-to-market.