The Application Developer .Net position involves application support, analysis, development, and enhancement. The role requires working on enhancement requests, reviewing backlog items, and refining requirements. Responsibilities include performing code reviews, testing to validate .NET and SQL changes in development or QA, updating and maintaining documentation, monitoring performance metrics, and handling deployments. Additionally, the developer will optimize database performance, tune SQL queries and indexes, prepare management reports, and gather requirements for new projects or enhancements.