Senior Full Stack Software Engineer

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Making sure you fit the guidelines as an applicant for this role is essential, please read the below carefully. Senior Full-Stack Software Engineer London, England, United Kingdom (Hybrid) Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our 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 opportunity This 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 doing Building the customer-facing platform from the ground up — timelines, task-based views and embedded AI assistance Owning backend automation workflows, AI agent orchestration and data pipelines Building internal tooling to support the team in reviewing and approving AI-generated work Setting engineering patterns and architecture that future hires will build on What they are looking for 5+ years building modern web applications with a strong backend emphasis Strong command of React/Next.js and Python/TypeScript Experience with AI agent orchestration frameworks (e.g. LangGraph, OpenAI Agent SDK) The architectural judgment to make confident decisions on a fast-moving, greenfield stack A background in high-growth, VC-backed startups — you thrive in fast, dynamic environments xehkeey London-based with existing right to work in the UK (visa sponsorship not available) Why this role A true ground-floor opportunity at a well-funded, early-stage business disrupting a traditional sector Founding team with a proven track record — previously built one of the UK's fastest growing consumer brands Backed by respected VC funds with a recent funding round closed Real ownership and influence over product and architecture from day one Work at the cutting edge of AI and automation in a sector ripe for disruption If this role sounds of interest, please apply now!
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Location:
London
Job Type:
FullTime
Category:
Information Technology

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