Application Developer engineers are responsible for designing, building, and maintaining software applications for a wide range of industries. Their roles and responsibilities can include:

• Analyzing user requirements and determining the feasibility of developing a solution.
• Designing and coding software applications based on specifications.
• Debugging and testing software to ensure it meets quality standards.
• Collaborating with cross-functional teams to integrate software with hardware and other systems.
• Maintenance and support of existing software applications.
• Documenting software design and coding processes.
• Keeping up-to-date with new technologies and programming languages to ensure their skills are current.

Application Developer engineers can work in a variety of industries, including finance, healthcare, technology, and retail, among others. They typically have a strong technical background and are experienced in programming languages such as Java, Python, and C++.