A PHP Developer plays a vital role in web development by designing and maintaining dynamic websites and applications using PHP. Key responsibilities include writing server-side code, collaborating with designers and front-end developers, and ensuring seamless database integration. Required skills encompass proficiency in PHP, MySQL, HTML, CSS, JavaScript, and frameworks like Laravel. Typical work occurs in collaborative team settings, fostering synergies with UX/UI designers and project managers. Career progression may lead to roles such as Senior Developer, Tech Lead, or Software Architect, providing opportunities for specialization and leadership within the tech landscape.