Senior Full-Stack Engineer: GenAI & LangChain (London, 4 days)

Focused is seeking a Senior Software Engineer in London, UK to deliver high-quality software for diverse clients. You will lead end-to-end delivery across the stack, pair program daily, and practice TDD to ensure reliable code.

You will guide architecture decisions, collaborate with designers and product managers, and mentor teammates while exploring AI-powered solutions with LangChain and related tools. The role requires hands-on experience across languages and frameworks, with a focus on