An ADA-Web Accessibility Developer is primarily responsible for ensuring web content is accessible to all users, including those with disabilities, in compliance with the Americans with Disabilities Act (ADA). They design, develop, and modify websites and applications to accommodate diverse user needs, focusing on elements like text alternatives, time-based media, adaptable layouts, distinguishable content, keyboard accessibility, navigation ease, and input assistance. They conduct regular audits, using accessibility testing tools, to identify and rectify any barriers in the web interface. Additionally, they keep abreast of the latest ADA guidelines and web accessibility standards, ensuring their organization's digital platforms remain compliant and user-friendly.