Senior AI Product Engineer

📋 Description Design and build agentic workflows and AI-powered features that power Elliptic's copilot, using LLM Lead the design of agents, tool integrations, and retrieval pipelines that turn complex blockchain Build and own evaluation frameworks that measure and improve the quality, reliability, and latency Design and build the backend services, APIs, and event-driven systems that support these features Drive technical design reviews and architecture decisions for AI workstreams. Mentor and coach more junior engineers through pair programming, code review, and design feedback. 🎯 Requirements 5-8+ years of software engineering experience, with at least 1-2 years of meaningful production Direct experience with LLM frameworks such as LangChain, LangGraph, or similar. Hands-on experience building agentic systems: tool use, multi-step reasoning, planning, memory, and Practical understanding of prompt engineering, structured outputs, context management, and managing Experience building and running evaluations for LLM outputs (eval sets, LLM-as-judge, regression Strong backend skills in TypeScript / Node.js, with solid API design. 🎁 Benefits Hybrid working and the option to work from almost anywhere for up to 90 days per year £500 Remote working budget to set up your home office space $1,000 Learning & Development budget to use on anything (agreed with your manager) that Holidays: 25 days of annual leave + bank holidays An extra day for your birthday Enhanced parental leave: we provide eligible employees, regardless of gender or whether they become