Which of the following is a common title for a software engineer?

The option indicating that "All of the Above" is a common title for a software engineer is appropriate because each title represents a variation of roles within the software engineering field.

A Software Developer typically focuses on building software applications, writing code, and creating software solutions that meet users' needs. This title is widely recognized and encompasses a broad range of responsibilities within software projects.

Application Developer, on the other hand, specifically refers to engineers who work on developing applications, often tailored for devices such as desktops or mobile platforms. They may specialize in a particular type of application, reinforcing the idea that this title is also valid within the profession.

Similarly, Application Engineer usually refers to professionals who support, design, and maintain software applications. This title can also mean working closely with clients or customers to tailor applications to specific business needs, thereby fitting into the software engineering landscape.

Thus, all these titles encapsulate different facets and specializations within the field of software engineering, making "All of the Above" the correct choice for describing common nomenclature associated with software engineers.