Lead Software Engineer Stealth AI Fintech Startup London Hybrid (3 days on-site) We re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They''ve built there MVP, raised funding from experienced fintech founders and senior figures in financial services, and are now scaling a category-defining product at the intersection of AI, automation, and finance. We re looking for an exceptional Lead Engineer to help shape the technical foundation of the company, stay hands-on, and build a world-class engineering team from the ground up. The Role This is a hands-on leadership role for someone who wants to code daily, own architecture, and lead by example. You ll design and build the core AI-powered platform, set technical standards, and work closely with product, data, and leadership to ship intelligent automation and decision-support tools for a legacy industry. What You ll Be Doing You ll lead the architecture of an AI-driven investment intelligence platform while staying deeply hands-on across the entire stack, from frontend UX to backend services, AI integrations, and core infrastructure. Working closely with the CTO, data scientists, and product leadership, you ll help shape both the technical direction and the product itself. You ll build and mentor a small, elite engineering team, setting a high ..... full job details .....