Helping design and maintain web applications.Speaking with customers to gather user requests for different features to improve speed, performance, and usability.Conducting tests, troubleshooting customer issues and correcting defects.Creating customer manuals and project documentation, and developing prototypes for new web technologies.Modifying existing web pages to correct errors, allowing it to adapt to new hardware, or to improve its performance.Reviewing and repairing legacy code.Analyzing user needs and software requirements to determine the feasibility of design within time and cost constraints.