Full Stack Developer

Salary: £60,000 - 100,000 per year Requirements: • Strong experience with Laravel (PHP), Linux, AWS, Vue.js, MySQL, and GIT workflows • Solid understanding of full stack development, including server-side logic, frontend integration, and data flow • Experience working with APIs and real-time data integrations • Strong debugging, problem-solving, and production support skills • Proven experience as a Senior Full Stack Developer or similar role in a production environment • Experience delivering and supporting live systems where reliability and uptime are critical • Demonstrable experience working with data driven or dynamic content systems • Experience collaborating with creative, production, or multidisciplinary teams • Exposure to DOOH, advertising technology, or creative technology environments is beneficial but not essential Responsibilities: • Provide additional senior-level development capacity on a freelance basis when required • Take on more complex or time-sensitive development tasks within existing systems, working within established patterns and architectures • Deliver well-scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architecture • Provide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmatically • Troubleshoot production issues, identify root causes, and implement safe fixes under the direction of the permanent team • Support QA and testing of complex dynamic builds ahead of launch when additional senior oversight is required • Work closely with our Creative Technology Director to understand technical constraints, delivery expectations, and priorities • Collaborate with our permanent Senior and Junior developers, fitting into existing workflows and ways of working • Liaise with Production and Creative teams as needed to ensure technical delivery aligns with campaign requirements Technologies: • AWS • Flow • Frontend • Git • Support • Laravel • Linux • MySQL • PHP • Vue • Cloud • JavaScript • Fullstack More: We are hiring for a Full Stack Developer contract position in London, with 3 days in the office per week and 2 days remote. The role starts ASAP and runs until the end of September, with the view to extend thereafter. This is a freelance opportunity with a daily rate of 400 to 500 per day outside IR35, supporting our team with senior-level development capacity on live, data-driven, and dynamic builds. last updated 36 week of 2026