Senior PHP Developer

Overview

We are seeking a highly skilled Senior PHP Developer with active SC (Security Check) Clearance to join a high-profile programme for a confidential UK client. In this role, you will be responsible for designing, developing, and maintaining secure, scalable web applications using modern PHP technologies. You will work closely with cross-functional teams to deliver high-quality solutions while adhering to security best practices and government standards. This is an excellent opportunity to contribute to mission-critical projects within a collaborative and technically driven environment.

Key Responsibilities

• Design, develop, and maintain secure, scalable web applications using PHP.
• Develop and enhance applications using Laravel and CodeIgniter frameworks.
• Build responsive and interactive user interfaces using JavaScript, jQuery, jQuery UI, and Backbone.js.
• Develop and consume RESTful APIs and integrate third-party services where required.
• Design, optimize, and maintain databases using MySQL and MongoDB.
• Deploy, configure, and maintain applications on Apache web servers running on Ubuntu/Linux environments.
• Implement performance optimization techniques, including caching solutions using Memcached.
• Write clean, maintainable, and well-documented code following coding standards and best practices.
• Troubleshoot, debug, and resolve production issues while ensuring application stability and performance.
• Participate in code reviews, technical discussions, and Agile ceremonies.
• Ensure applications comply with security standards appropriate for SC-cleared environments.

Required Experience & Skills

• Active SC (Security Check) Clearance (mandatory).
• Strong commercial experience developing enterprise applications using PHP.
• Hands-on experience with Laravel and CodeIgniter frameworks.
• Strong knowledge of JavaScript, jQuery, jQuery UI, and Backbone.js.
• Experience with MySQL and MongoDB database design and optimization.
• Experience deploying and supporting applications on Apache and Ubuntu/Linux environments.
• Experience implementing caching mechanisms using Memcached.
• Strong understanding of RESTful API development and integration.
• Experience with Git and modern version control practices.
• Strong debugging, analytical, and problem-solving skills.
• Excellent communication skills and the ability to work within Agile development teams.

Desirable Skills

• Experience working on UK Government or other security-cleared projects.
• Experience with CI/CD pipelines and automated deployments.
• Familiarity with secure software development practices and OWASP guidelines.
• Experience maintaining legacy PHP applications while contributing to modernization initiatives.

Pay: From £32,000.00 per year

Experience:

• PHP: 5 years (preferred)

Work authorisation:

• United Kingdom (preferred)

Work Location: Hybrid remote in London