Senior Fullstack Developer/Tech Lead

Job Description: The opportunity We''re working with a well-backed London fintech operating in Embedded finance and open banking. They help SMEs access Real Time payments, business lending and financial data services and they''re scaling fast, with a growing loan book and bank-grade platform ambitions. This is a senior IC role with genuine technical leadership. You''ll be the onshore engineering lead owning architecture, code review standards and day-to-day technical direction for a distributed engineering team, while remaining hands-on in the codebase. What you''ll own Technical leadership of a distributed team architecture decisions, code review culture and engineering standards A live platform migration from Legacy Angular/.NET onto a modern NestJS/Next.js monorepo currently in flight and progressing fast Greenfield architecture decisions on a Partner API, API gateway layer and new lending product surfaces Day-to-day collaboration with an offshore team of five engineers who own features end-to-end the right person will treat them as peers, not a delivery resource AI-augmented engineering workflows the team uses Claude Code heavily and expects their lead to embrace and optimise AI-assisted development The stack Next.js 15React 19NestJSTypeScriptNode.jsGCPPostgreSQLMicroservicesApigeeCloud RunOpen Bankingshadcn/uiPostHog What we''re looking for Actively hands-on you''ve been writing production code in the last six months Comfortable leading offshore or ..... full job details .....