- Responsible for writing the web services and APIs used by front-end developers and mobile application developers. - Responsible for the server-side web application logic as well as for the integration of the front-end part. - Be involved and participate in the overall application lifecycle - Main focus on coding and debugging - Define and communicate technical and design requirements - Build high-quality reusable code that can be used in thew future - Develop functional and sustainable web applications with clean codes - Troubleshoot and debug applications