Full Stack Engineer / Developer (Agentic AI LLM TypeScript React) London / WFH to £100k Are you a senior technologist with experience of putting LLMs into production? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As an Agentic Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems as well as productionising LLMs. You'll help to ensure best practices are maintained and participate in code reviews to maintain sound engineering practices and share knowledge with the team. Location / WFH: There's a remote first policy, with the caveat that you'll meet up with the team in London once every two months, so you can work from home most of the time. About you: You have experience of building enterprise grade systems that are reliable, secure, maintainable and observable You have used AI tools (such as Claude Code, Cursor, Codex) and are comfortable and interested in how to use them to improve efficiency You have experience with LLMs in production You have strong TypeScript and Python backend development skills, comfortable doing some front end work with React You have experience of building event-driven systems and public APIs You have a strong appreciation of SaaS, Kubernetes, Infrastructure as Code, GitOps, CI/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine) You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities You're collaborative and pragmatic with great communication skills What's in it for you: Salary to £100k Stock options 25 days holiday Impactful role with excellent career growth Remote working Apply now to find out more about this Full Stack Engineer / Developer (Agentic AI LLM TypeScript React) opportunity.