> Markdown version of [/jobs/ext/1478752-senior-php-developer](https://www.wearedevelopers.com/jobs/ext/1478752-senior-php-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior PHP Developer - **Company:** Technossus Software Services Pvt. Ltd - **Location:** London, UK - **Experience:** Expert - **Salary:** £32,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Agile Methodology, Apache HTTP Server, Backbone.Js, Ubuntu (Operating System), CodeIgniter, Code Review, Databases, Database Design, Software Debugging, Web Servers, JQuery, JQuery UI, Laravel, Linux System Administration, Memcached, MongoDB, MySQL, Open Web Application Security, Performance Tuning, Software Engineering, Web Application Frameworks, Enterprise Software Applications, Caching, Git, Deployment Automation, Restful APIs, Software Version Control - **Published:** July 29, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=bdd63dc346b31dd8 ## About the Role * 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) ## Description 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., * 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. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/213-software-developer-salary-in-austria-2023)