building and maintaining modern web applications using standard web development toolswriting clean and secure modular codes that have undergone strict testing and evaluationchecking the validity and consistency of HTML, CSS, and JavaScript on different platformsdebugging and resolving technical issuesmaintaining and designing databasesperforming back-end and User Interface (UI) tests to enhance the functionality of an applicationcollaborating with other developers (front-end, back-end, mobile app, etc.) and project managers to move the software projects fasterdocumenting the task progress, architecture, and development process