An AIMMS developer designs, develops, and implements optimization models using the Advanced Interactive Multidimensional Modeling System (AIMMS) software. They identify and analyze business requirements, convert these into mathematical models, and use AIMMS to solve complex operational problems. They use their expertise in mathematical programming, linear programming, and operations research to develop efficient solutions. Additionally, they maintain, troubleshoot, and enhance existing AIMMS applications, ensuring optimal performance. They also often collaborate with other team members, stakeholders, and clients, providing technical guidance and explaining complex mathematical concepts and solutions in an understandable way.