Joomla development involves creating and customizing websites using the Joomla content management system (CMS). This includes tasks such as installing and configuring Joomla, designing and developing custom templates and layouts, integrating extensions for added functionality, and optimizing the website for performance and search engine optimization (SEO). Joomla is a powerful and flexible CMS that can be used to build a wide range of websites, from simple blogs to complex e-commerce sites and corporate portals. Effective Joomla development focuses on creating a user-friendly and visually appealing website that meets the client's requirements while ensuring scalability and ease of maintenance.