Full Stack Developer Php

We are looking for a Full Stack Developer - PHP  responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
Integration of user-facing elements developed by front-end developers
Build efficient, testable, and reusable PHP modules
Solve complex performance problems and architectural challenges
Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)