Senior PHP Developer

Salary: £40,000 - 70,000 per year

Requirements:

• Strong commercial experience with PHP development without relying on frameworks
• Experience working with relational databases such as MySQL or MariaDB
• Solid understanding of HTML, JavaScript, and web application architecture
• Experience working within Linux-based development environments
• Strong understanding of secure coding principles and software engineering best practices
• Ability to design scalable systems and optimise application performance
• Excellent problem-solving and analytical skills
• Experience with caching and performance technologies is desirable
• Knowledge of distributed storage solutions is desirable
• Exposure to CI/CD processes and automated deployment practices is desirable
• Understanding of SEO, localisation, and large-scale web platforms is desirable

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

Technologies:

• CI/CD
• Support
• JavaScript
• Linux
• MariaDB
• MySQL
• PHP
• Web
• CSS

More:

We are an established technology business based in Hertfordshire, offering a hybrid working model with two days onsite. We are expanding our engineering team and looking for an experienced Senior PHP Developer to help develop large-scale web applications, enhance our platform, and support business-critical systems. In this role, you will work closely with developers, QA engineers, and stakeholders, helping shape our technical direction and development best practices while contributing to high-quality project delivery.

last updated 31 week of 2026