Senior PHP/Laravel Full-Stack Developer

Pen Test Partners works with clients globally, providing cyber security consultancy and testing services. We work across some of the most cutting-edge industries, including Automotive, Aerospace, and Maritime. With over 120 employees spanning pen testing, consultancy, digital forensics, sales, and support functions, we pride ourselves on working on cool research, delivering exceptional work for our customers, contributing to the greater good of cyber security, and helping people sleep better at night. Our in-house development team builds and maintains the platforms that support our consultants and customers. Secure coding is non-negotiable — it's the business we're in. The Role We're seeking a highly skilled and experienced Senior Full-Stack Developer to work alongside our lead developer across our portfolio of in-house Laravel applications. You'll design and architect new functionality, deliver features end-to-end, refactor existing code, fix bugs across the stack, and contribute to technical decisions. Peer code review is standard - you'll review and be reviewed. You'll work within our existing spec-driven AI development process using Cursor, and we'd expect you to help improve it over time. What you'll be doing Take ownership of features end-to-end across multiple Laravel applications — from spec through design, build, test, and deploymentDesign and architect new functionality, making sound technical decisions independently and justifying them in reviewDeliver to agreed timelines, managing your own workload and flagging risks earlyRefactor and improve existing code, including legacy areas, with a pragmatic eye on risk and valueDiagnose and fix complex bugs across the stackWrite and maintain robust tests (PHPUnit, Dusk)Raise the bar through peer code review — reviewing others' work and welcoming scrutiny of your ownImprove our spec-driven AI development workflows, sharing what worksApply security-first thinking to everything you shipWork to tickets, log time accurately, and communicate progress clearly Essential Experience Senior-level PHP and Laravel — you can design, build, and troubleshoot Laravel applications without leaning on AI to do the thinking for youFull-stack capability — Blade, Bootstrap, jQuery, and Webpack; confident with semantic HTML and responsive CSSMariaDB / MySQL — schema design, query optimisationSolid Linux experience — confident managing the application stack (nginx, MariaDB, PHP-FPM, queues, caches); OS-level administration is handled separatelyGit and Bitbucket / Atlassian toolchain (Jira, Confluence, Bitbucket Pipelines)Testing - PHPUnit, ideally DuskSignificant AI-assisted development experience — Cursor or equivalent, using AI to build specs, write code, and review code. You should be fluent with AI tooling but not dependent on it.Security-minded development — secure coding practices are non-negotiable given our business10+ years' commercial development experience, with a track record of delivering production applications to deadlinePrior contracting experience preferred — productive from week one, comfortable owning delivery without close supervisionSenior communication and review skills — clear written and verbal communication, and the judgement to give and receive technical feedback constructively Desirables SC clearance (or eligibility)Experience in or around the cyber security industryDevOps / CI/CD pipeline workAuth0 experienceSalesforce development or administration experience How We Work Spec-driven development with AI-assisted workflows (Cursor)Atlassian stack: Jira for tickets, Confluence for docs, Bitbucket for source and CI/CDPeer review on all changesWork is managed through tickets with accurate time loggingHybrid working - mostly home-based, monthly day at the office near Buckingham 6-12 month contract