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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior PHP Backend Developer - **Company:** Si digital - **Location:** Portsmouth, UK - **Experience:** Expert - **Salary:** £55,000.0 - £65,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), PHP (Programming Language), Agile Methodology, Amazon Web Services, HTML5, Unit Testing, Cascading Style Sheets (CSS), Cloud Computing, Database Design, Software Debugging, Electronic Data Interchange (EDI), JSON, Model View Controller (MVC), Performance Tuning, Systems Development Life Cycle, Software Engineering, Subversion, TypeScript, Web Applications, Extensible Markup Language (XML), ReactJS, SOAPAPI, Backend, Git, AngularJS, Material UI, Kubernetes, Front End Software Development, Restful APIs, Software Version Control, Microservices - **Published:** July 24, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=1e2b64a2282a2eb9 ## About the Role * Proven software development experience with extensive knowledge of PHP and backend frameworks at least 5 years. * Strong understanding of object-oriented programming (OOP) principles and MVC (Model-View-Controller) architecture. * Hands-on experience working with REST APIs, SOAP web services, XML, JSON, and other data interchange formats. * Proficiency in database design and management. * Familiarity with cloud platforms such as AWS ( Kubernetes) for deploying scalable applications. * Experience with front-end development tools like HTML5, CSS3, JavaScript frameworks (React, Angular), TypeScript is a plus. * Ability to write clean code with a focus on debugging and troubleshooting complex issues efficiently. * Familiarity with version control systems such as Git, experience with CI/CD pipelines is advantageous. * Strong understanding of SDLC methodologies and Agile practices to ensure timely project delivery. ## Description We are seeking an energetic and highly experienced Senior PHP Backend Developer to join our in-house development team. In this role, you will lead the design, development, and optimisation of robust backend solutions using PHP, ensuring seamless integration with front-end technologies and third-party services. Your expertise will drive the creation of scalable, secure, and high-performance web applications for a wide range of different clients with different business needs. If you thrive in an environment where you can make the big decisions that ensure web app projects are a success, and you want to help mentor other developers then this opportunity is for you!, * Develop, maintain, and enhance server-side applications using PHP, ensuring high quality and performance standards. * Design and implement RESTful APIs to facilitate smooth communication between front-end interfaces and backend services. * Collaborate with front-end developers to integrate UI components built with React, or other frameworks, ensuring a cohesive user experience. * Optimise database design and queries to support application scalability and efficiency. * Participate in the full Software Development Life Cycle (SDLC), including planning, coding, testing (unit testing), debugging, deployment, and documentation. * Utilise version control systems such as Git or SVN to manage codebase effectively across team members. * Implement microservices architecture when appropriate to improve modularity and system scalability. * Contribute to continuous improvement initiatives by adopting best practices in application development, security protocols, and performance tuning and training others * Mentoring other members of the dev team, sharing PHP best practices * Working on greenfield builds as well as supporting and improving existing client projects ## Related Videos - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [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) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)