A LANSA developer specializes in using LANSA, a high-level, integrated development environment (IDE) and business rules engine. They design, develop, and maintain applications for businesses, often focusing on improving operational efficiency and data management. Their tasks include creating user interfaces, integrating databases, and developing business logic. They may also be responsible for troubleshooting and debugging applications, ensuring their smooth operation. They work closely with other IT professionals, such as system analysts and database administrators, to plan and implement system solutions. Knowledge in web technologies, SQL, and JavaScript, along with problem-solving skills, are crucial for a LANSA developer.