Senior Full Stack Engineer | AI/FinTech | £150k + Equity Most personal finance products are very good at telling you where your money went.What if one could tell you what to do next?I''m working with an early-stage AI FinTech that has recently closed its pre-seed round and is building an AI-powered financial co-pilot.They''re now looking for one of their first senior engineering hires.This isn''t a role where you''ll inherit a mature platform, a backlog and six layers of approval.You''ll be Engineer /, working directly with the founders to turn an early product into something people genuinely trust with their financial decisions.You''ll be responsible for things like: Building across the full stack, including React Native on the Front End Making early architectural and technology decisions Working with financial data, account aggregation and open banking integrations Building the AI layer that turns financial information into useful actions Helping shape the product, rather than simply being handed tickets Setting technical standards that future engineering hires will build onThey''re deliberately keeping the technical requirements broad.What matters more is that you''re a very strong full-stack engineer who has built products in demanding environments and is comfortable operating with ambiguity.Experience within a recognised technology company, high-growth startup or FinTech would be particularly interesting. Exposure to AI/LLMs, financial data or open banking would be a ..... full job details .....