A BigMachines developer is responsible for configuring, managing, and implementing Oracle's BigMachines (also known as Oracle CPQ) software, a cloud-based Configure, Price, Quote system. They create and manage product configurations, pricing rules, and quotation templates, ensuring seamless integration with other enterprise systems. They also troubleshoot technical issues, optimize system performance, and ensure data integrity. Additionally, they may work on customizing the software to meet specific business requirements, which includes writing scripts, creating workflows, and modifying the user interface. They often collaborate with other team members to improve the overall efficiency of the sales process.