Lead /Principal Full stack Developer React AI Engineer

Lead /Principal Full stack Developer React AI EngineerLocation: London (Hybrid - 3-4 days per week) Salary: 120,000 - 1600,000 + Equity + Excellent Benefits Job Type: PermanentBuild the Next Generation of AI ProductsWe''re partnering with an innovative, fast-growing technology company that''s redefining how AI-powered products are built and delivered. This is an exciting opportunity for a Lead / Principal React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You''ll play a pivotal role in building intuitive user experiences while integrating the latest advances in Generative AI and agentic systems into production software.The RoleAs a Senior / Lead React AI Engineer, you''ll take ownership of features from concept through to production, working across both the front end and backend to deliver scalable, high-quality applications. Working closely with Product Managers, AI Engineers and Software Engineers, you''ll help shape technical direction while building intelligent products that leverage Large Language Models (LLMs) and modern AI tooling.Key ResponsibilitiesDesign and develop modern, scalable React applications.Build backend APIs and services using TypeScript and Node.js.Deliver production-ready features across the full software development lifecycle.Integrate AI capabilities, LLMs and agentic workflows into customer-facing products.Collaborate with AI Engineers to build seamless AI-powered user ..... full job details .....