Full Stack EngineerLegalTech / GenAILondon (5 days onsite)Between £70,000 - £180,000 + EquityThe CompanyMy client are a fast-growing legal-tech startup applying Generative AI to the entire IP lifecycle - patents, trademarks, and legal documentation. They build real production systems used by 400+ IP teams globally, including top law firms and major enterprises.Why they stand out:Series B funded, £55m raised10x+ ARR growth in the last year, now eight figuresAlready profitableScaling rapidly: 20 60 people in London this yearWhat You''ll Work OnAI-powered legal drafting and document editingVector search and citation systemsPatent litigation tools (claim charts, large-scale analysis)Professional-grade legal workflows (not just chat UIs)The RoleThey''re hiring senior Full Stack Engineers, open to backend- or frontend-leaning profiles.Build and scale core backend foundationsDesign APIs and data systems for global scaleWork closely with founders on product directionOwn complex UIs for AI-driven legal workflowsHeavy work with WYSIWYG editors (TinyMCE / CKEditor)Still hands-on with backend to deliver end-to-end featuresWhat They''re Looking ForStrong Python and/or TypeScript and ReactSolid full-stack fundamentalsTop academic background preferredComfortable moving fast in a startup environmentHappy being in the office 5 days a week