1. Front-end developers Focus on the user experience elements of WordPress sites, such as user interfaces and themes.
2. Back-end developers Specialize in the server-side aspects of running WordPress websites, the nuts and bolts behind the scenes. This includes databases, server software, and network infrastructure.
3. WordPress plugin developers Coders who focus on the creation of plugins that extend the functionality of WordPress.
4. WordPress theme creators Designers with a flair for creating and modifying WordPress themes to customize how WordPress sites look.
5. eCommerce WordPress developers Specialize in creating online stores using WordPress using plugins like WooCommerce.
6. WordPress SEO specialists Experts in search engine optimization (SEO), helping WordPress websites to appear more highly in search engine rankings.
7. WordPress core developers Work on the actual WordPress core code, improving and refining it.
8. WordPress site maintenance and optimization Ensures WordPress websites run quickly and are free from security holes.
9. Full-stack WordPress developers The jack-of-all-trades, full-stack developers have expertise in all the above.