Develop and maintain dynamic web applications using PHP and related technologies, ensuring high performance and responsiveness.Collaborate with front-end developers to integrate user-facing elements with server-side logic, enhancing overall user experience.Implement and manage database systems, optimizing queries and ensuring data integrity and security.Debug and troubleshoot issues in existing applications, providing timely fixes and updates to improve functionality.Write clean, secure, and efficient PHP code while adhering to best practices and coding standards.Design and maintain RESTful APIs to facilitate seamless communication between server and client applications.Conduct thorough testing and validation of applications, using automated testing frameworks to ensure reliability.