A CSLA.Net developer designs, implements, and maintains business applications using the CSLA.Net framework. They develop reusable business objects, implement data access code, and create scalable, robust, and secure software solutions. They utilize CSLA.Net's features for business rules, authorization, and data binding to enhance application functionality. They also perform debugging, testing, and troubleshooting to ensure optimal application performance. Furthermore, they collaborate with other software developers, participate in code reviews, and may provide technical guidance on the CSLA.Net framework. They keep themselves updated with new CSLA.Net versions and technologies to improve application development processes.