Senior PHP Developer Location: Hertfordshire / Hybrid (2 days onsite) PHP - LAMP - JavaScript - HTML - CSS - Linux - MySQL About the Opportunity An established technology business is looking to add an experienced PHP Developer to its engineering team. This role offers the opportunity to work on large-scale web applications, contribute to platform enhancements, and play a key role in the ongoing development of business-critical systems. The successful candidate will work closely with developers, QA engineers, and stakeholders to deliver high-quality solutions while helping shape technical direction and development best practices. Key Responsibilities Develop, maintain, and enhance PHP-based web applications. Deliver clean, secure, and scalable code following development best practices. Design and optimise databases and application performance. Build new features and improve existing functionality across the platform. Participate in code reviews, testing, and quality assurance activities. Work closely with stakeholders to gather requirements and deliver technical solutions. Troubleshoot, investigate, and resolve application and production issues. Produce technical documentation and contribute to architectural decisions. Support continuous improvement initiatives, including refactoring and process enhancements. Collaborate with developers, QA teams, and support functions to ensure successful project delivery.Skills & Expe...