Senior Full-Stack Software EngineerLondon, England, United Kingdom (Hybrid)Senior Full-Stack Software EngineerLondon (Victoria) 3 days in office £100,000 - £120,000 PermanentOur client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and scaling high-growth, category-leading consumer businesses, they are using AI and automation to fundamentally reimagine how services in their space are delivered.The opportunityThis is a rare greenfield engineering role at a genuinely early-stage business. The successful candidate will join a small, senior founding team and take real ownership of the technical foundation from day one - building the stack, setting the architecture, and establishing the patterns that everything else will be built upon.The role spans customer-facing product, backend automation, AI agent orchestration and internal tooling - with significant scope to grow as the business scales.What you''ll be doingBuilding the customer-facing platform from the ground up - timelines, task-based views and embedded AI assistanceOwning backend automation workflows, AI agent orchestration and data pipelinesBuilding internal tooling to support the team in reviewing and approving AI-generated workSetting engineering patterns and architecture that future hires will build onWhat they are looking for5+ years building modern web applications with a strong backend ..... full job details .....