Yes, Magento 2 Development can handle custom modules and theme work with full flexibility. Developers can create new modules for extra features, backend changes, or advanced workflows. These modules integrate seamlessly with the core system, preserving existing functions. Webkul's Magento 2 Development also supports custom themes that change layout, design, colours and page structure. Stores can build unique front-end designs that match their brand. Developers can extend templates, create new blocks and add custom CSS or JS.