Developed and maintained responsive websites and web applications using HTML, CSS, and JavaScript. Collaborated with designers and stakeholders to translate concepts and mockups into functional web interfaces. Implemented and customized content management systems to meet clients' specific requirements. Optimized websites for speed, performance, and search engine visibility. Conducted thorough testing and debugging to ensure smooth functionality across different browsers and devices. Assisted in the deployment and hosting of websites on servers. Provided ongoing support and maintenance for existing websites, including troubleshooting and updates.