> Markdown version of [/jobs/ext/3765658-senior-developer](https://www.wearedevelopers.com/jobs/ext/3765658-senior-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 Developer - **Company:** Spectrum IT Recruitment - **Location:** Chichester, UK - **Experience:** Expert - **Salary:** £60,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Artificial Intelligence, Amazon Web Services, Data Analysis, Automation of Tests, Business Systems, Cascading Style Sheets (CSS), Cloud Computing, Static Program Analysis, Software Quality, Code Reuse, Database Design, Debian Linux, DevOps, MariaDB, Object-Oriented Software Development, Payment Gateway, PCI Data Security Standards, Cloud Services, Standard Sql, Software Engineering, Systems Integration, Web Applications, Web Performance Optimization, Google Tag Manager, Sql Optimization, Phpunit, Syntactically Awesome Style Sheets (SASS), Cloudflare, Front End Software Development, Puppet, Terraform - **Published:** October 16, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5928847163 ## About the Role * Strong commercial experience with modern, object-oriented PHP 8. * Experience working with a PHP framework or large-scale PHP applications. * A passion for writing clean, maintainable and reusable code. * Experience with code quality tools, including PHPUnit, static analysis or automated testing processes. * Strong analytical and problem-solving skills. * The ability to investigate and resolve complex technical issues. * Excellent communication skills and confidence working directly with clients and colleagues. * A proven track record of delivering projects successfully, estimating accurately and identifying risks early. * Experience in at least two of the following areas: AI-assisted and agentic software development, front-end development using HTML, CSS/SASS and JavaScript, ecommerce platforms and payment gateway integrations, PCI compliance, web performance analysis and optimisation, advanced SQL skills and database design particularly with MariaDB, AWS infrastructure and cloud services, DevOps and systems administration, CloudFlare, Debian, Puppet and Terraform, analytics implementation including Google Tag Manager and server-side tracking, consent management and privacy-focused measurement solutions. ## Description * Design, develop and maintain bespoke web applications and business systems. * Work closely with colleagues and clients to understand requirements and deliver high-quality solutions. * Take ownership of projects and manage priorities effectively. * Investigate and resolve complex technical issues. * Communicate directly with clients and colleagues to deliver meaningful business outcomes. * Estimate work accurately and identify risks early. Technologies: * AI * AWS * Cloud * CSS * Debian * DevOps * JavaScript * MariaDB * PHP * PHPUnit * Puppet * SASS * SQL * Terraform * Web * OOP