An Active Server Pages (ASP) developer creates dynamic website applications using Microsoft's ASP framework. They design, implement, and maintain web applications, optimizing them for maximum speed and scalability. They are responsible for writing well-designed, efficient, and testable code using programming languages like VBScript or JavaScript. They also work with databases such as SQL Server, ensuring data is securely stored and retrieved. They collaborate with front-end developers to integrate user-facing elements with server-side logic. Additionally, they troubleshoot and fix bugs, improve functionality, and keep up-to-date with emerging technologies to ensure the applications remain current and effective.