Responsibilities- 1 Conducting analysis of website and application requirements. 2 Writing back-end / front end code and building efficient PHP modules. 3 Developing back-end portals with an optimized database. 4 Troubleshooting application and code issues. 5 Integrating data storage solutions. 6 Responding to integration requests from front-end developers. 7 Finalizing back-end features and testing web applications. 8 Updating and altering application features to enhance performance.