A DataSynapse GridServer developer is responsible for designing, implementing, and managing applications on the GridServer platform. They work on creating software solutions that can process large volumes of data and perform complex computations. They utilize GridServer's capabilities to distribute these processes across multiple systems, enhancing efficiency and performance. They ensure smooth integration of the GridServer with other enterprise systems, manage its scalability and troubleshoot issues. Additionally, they may also work on optimizing the code for better performance and maintaining the security of data processed and stored on the GridServer.