Full Stack Developer

Full Stack Developer – Contract Position – HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: Till end of September (view to extend thereafter) Daily Rate: £400 - £500 per day outside IR35Key Responsibilities Delivery focused development supportJoin the team on a freelance basis to provide additional senior level development capacity when requiredTake on more complex or time sensitive development tasks within existing systems, working within established patterns and architecturesDeliver well scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architectureLive support & problem solvingProvide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmaticallyAssist with troubleshooting production issues, identifying root causes, and implementing safe fixes under the direction of the permanent teamSupport QA and testing of complex dynamic builds ahead of launch when additional senior oversight is requiredCollaboration & working relationshipsWork closely with Creative Technology Director to understand technical constraints, delivery expectations, and prioritiesCollaborate with permanent Senior and Junior developers, fitting into existing workflows and ways of workingLiaise with Production and Creative teams as needed to ensure technical delivery aligns with campaign requirementsRequired Skills & ExperienceStrong experience with Laravel (PHP), Linux, AWS, Vue.js, MySQL, and GIT workflowsSolid understanding of full stack development, including server-side logic, frontend integration, and data flowExperience working with APIs and real-time data integrationsStrong debugging, problem-solving, and production support skillsProven experience as a Senior Full Stack Developer or similar role in a production environmentExperience delivering and supporting live systems where reliability and uptime are criticalDemonstrable experience working with data driven or dynamic content systemsExperience collaborating with creative, production, or multidisciplinary teamsNice to have skillsExposure to DOOH, advertising technology, or creative technology environments is beneficial but not essential